Frequently Asked Questions

General Information

What is EndeavorOTC?

A game-based ADHD treatment clinically designed to improve ADHD symptoms, functioning, and attention in adults. For more information, visit

Who is EndeavorOTC for?

EndeavorOTC is a digital therapeutic indicated to improve attention function, ADHD symptoms, and quality of life in adults 18 years of age and older with primarily inattentive or combined-type ADHD. Because EndeavorOTC is indicated for adults 18 years of age and older, you will be asked to attest to your age upon sign-up. Do not use this app if you have photosensitive epilepsy, color blindness, and physical limitations that stop you from comfortably holding a device. For more indication information, visit our Instructions for Use.

How does EndeavorOTC work?

Built with patented, FDA-authorized technology, EndeavorOTC uses a video game experience to strengthen your brain’s ability to focus. It does this by requiring you to do two simultaneous challenges at once: target and navigate. When targeting, you tap specific stimuli while letting other distractions go by. When navigating, you travel through a course to avoid obstacles. Doing both of these at the same time uniquely challenges and alters pathways in the brain, boosting attention and focus. As you progress, the game’s algorithm will measure your performance and adjust in speed and difficulty. In short, as you get better, it gets harder. This results in a personalized treatment experience for each individual, enhancing cognitive functions such as your ability to pay attention, multitask, and prioritize information.

How often do I need to play to see results?

For best results, we recommend playing the game approximately 25 minutes a day, 5 days a week. Our clinical study showed that the best results come with this routine for 6 weeks, although many participants showed substantial improvements in attention and clinical functioning with less play time. For more information about play time, visit our Instructions for Use.

Are there side effects associated with using EndeavorOTC?

There were no lasting or serious side effects experienced in our clinical trial for EndeavorOTC. Overall, 11 of the participants in the trial (5%) reported a treatment-emergent adverse device event, most commonly nausea (1.8%) and headache (1.4%). There were no serious adverse device events.

What are the results from the clinical trial studying EndeavorOTC?

EndeavorOTC was studied in over 220 participants over a 6-week period. In our pivotal trial, EndeavorOTC improved ability to focus* and quality** of life in adults ages 18+ with ADHD. Improvements in attention were nearly 7x larger than those seen in the pivotal trial that supported EndeavorRx’s† FDA authorization for kids 8-12 with ADHD.

*As measured by at least a 1.4 point improvement on the Test of Variable of Attention (TOVA®) Attention Composite Score. The TOVA measures attention and other functions that assess the ability to focus.
**As measured by the validated Adult ADHD Quality of Life Scale (AAQoL). Stamatis, C. A., Mercaldi, C., & Kollins, S. H., J Am Acad Child Adolesc Psychiatry, 62, S318 (2023)

EndeavorRx® is FDA-authorized, supported by 5 clinical studies involving over 600 children with ADHD. In our randomized, controlled clinical study¹, EndeavorRx improved objective attention in children with ADHD ages 8-12. Patients played for ~25 minutes per day, 5 days per week, for 4 weeks – and a more recent trial demonstrated that a second month of treatment can lead to increased benefits. To learn more about EndeavorRx, indications for use, and how to get a prescription for your child, visit ¹ Kollins et al, Lancet Digital Health 2020. Data from a “Yes-No” Exit Survey.

Can I use EndeavorOTC if I am already on medication? Will it be effective?

Yes. While EndeavorOTC users don’t have to be on other medications or treatments for their focus, it absolutely can be used alongside tools for attention. In fact, in our clinical study of EndeavorOTC, those participants that were on stimulant medication experienced just as much benefit, if not more by some measures. Always consult your healthcare provider before changing medications or treatments.

What does “first generation” treatment mean?

This is the first generation of our product for adults that still includes the core technology that improves attention and focus. We plan to make continuous improvements to the user interface and features to provide users with the best experience possible. We expedited the availability of the first generation of our product for adults given the treatment crisis affecting the ADHD community.

Is EndeavorOTC authorized by the FDA?

At this time, EndeavorOTC has not been authorized by the FDA. However, EndeavorOTC is built with the same technology behind EndeavorRx, the world’s first FDA–authorized prescription video game treatment for pediatric ADHD. Learn more about EndeavorRx, EndeavorOTC’s Mission, and Akili, the maker of both treatments.

Focus Score

What is Focus Score?

The Focus Score measures how quickly and accurately you can complete a task despite distractions during EndeavorOTC treatment. The goal is to give you an easy way to track your focus improvement from your baseline Focus Score.

At the start of treatment, we’ll provide you with a personalized target score. If you reach this score, data from our clinical study in adults with ADHD predict you are more likely to see meaningful improvements in your ADHD-related symptoms and focus.

As measured by improvement on the TOVA® ACS. Changes in the Focus Score are statistically significantly related to changes in TOVA and other outcomes. Treatment results may vary. Internal data on file.

What does my Focus Score target mean for me?

Our clinical trial data indicate that people who hit their Focus Score target are more likely to see meaningful improvements in ADHD-related symptoms.

In our six week study, increased Focus Scores predicted improvements in ADHD symptoms and quality of life. Those who increased their Focus Score were more likely to report improved ability to:

  • Complete projects and tasks on time
  • Balance multiple tasks at once
  • Keep track of important items like their wallet and keys

As measured by improvement on the TOVA-ACS and AAQoL. Changes in the Focus Score are statistically significantly related to changes in TOVA and other outcomes.Stamatis, C.A., Heusser, A.C., Ala’ilima, T., Simon, T.J., & Kollins, S.H., Neuropsychopharmacol. 48 (Suppl 1), 63–210 (2023).

How is Focus Score technically calculated?

Your Focus Score can range between 0-100 and is calculated exclusively from gameplay mission data. The score blends three primary parts of mission performance together:

  • Navigation ability
  • Speed in collecting targets
  • Accuracy in selecting targets

We statistically analyzed how individual Focus Scores were related to key results from our clinical trial participants to understand how Focus Score was related to improvements in ADHD-related symptoms and quality of life. The typical target Focus Score improvement will be an increase between 12 to 34 points depending on a person’s starting Focus Score or “baseline”. Based on our clinical trial analyses, reaching this target should be achievable in six weeks depending on a user’s commitment to gameplay (the more you play, the better results you can expect!).

How will my Focus Score change over the course of six weeks?

The typical target Focus Score improvement will be an increase between 12 to 34 points depending on a person’s baseline. Reaching this target should be achievable in six weeks depending on a user’s commitment to gameplay (the more you play, the better results you can expect!). That said, progress will vary by person and not all progress is linear. Many players will see a few flat Focus Score updates or even declining Focus Score updates throughout the six weeks. This is common and does not mean that meaningful results can’t be reached. In fact, just the opposite, this could suggest the algorithm has increased the challenge as the person is strengthening their mental processes. So no change in the Focus Score likely indicates the person is performing as well as before, but at more difficult tasks.

If I am already playing, will I have a Focus Score?

If you had already started EndeavorOTC prior to the release of the Focus Score feature, you will be given access to your current Focus Score and updates on your score as you continue treatment. We do not have enough data from you to calculate an accurate personalized target; however, you can use the 12 – 34 point increase range to calculate your goal. You can also compare your progress to those from the clinical trial who engaged in the six-week treatment with the provided percentiles. If you have questions about how you apply this, please reach out to [email protected].

If I have hit my target Focus Score, am I done?

Your Focus Score will range between 0-100, and your initial target will likely be an increase between 12 and 34 points from your baseline. For the vast majority of people, this will leave room for continued improvement in Focus Score and overall cognitive abilities as well as ADHD symptom management. While breaks are encouraged, the more you play the better the results you can expect! In general, people that finished our clinical trial with higher Focus Scores had greater improvements in real-world symptoms…encouragement to keep going!

If I hit my target Focus Score, does that mean I don’t have ADHD?

No, it does not mean you no longer have ADHD. Instead, our clinical data demonstrate that a target improvement in Focus Score was associated with meaningful improvements in ADHD-related symptoms at the end of six weeks of treatment.

If I am noticing Focus Score improvement, can I combine with other treatment strategies to amplify ADHD symptom management in daily life?

Research shows that treating ADHD with multiple strategies at once leads to greater symptom relief. You’re developing a better cognitive foundation with EndeavorOTC, which will make you more effective at managing ADHD symptoms in your daily life. Even if other strategies may not have worked before, once you have measurable progress in your Focus Score, you may have better success with other symptom management options. Keep an eye out for evidence-based tips and strategies for managing ADHD symptoms in between missions and through EndeavorOTC support channels.

Getting Started with EndeavorOTC

How do I purchase an EndeavorOTC subscription?

You can purchase your subscription directly from the EndeavorOTC website. You can also subscribe to EndeavorOTC via an in-app purchase from the iOS App Store® or Google PlayTM.

How do I download EndeavorOTC?

EndeavorOTC is available to download through the iOS App Store® and on Google Play™. Download today: iOS App Store® Google Play™

How much does EndeavorOTC cost?

Subscription plans currently start at $69.99 for 3 months, $99.99 for 6 months, and $129.99 for 12 months.

Can people use their flexible or health spending accounts (FSAs/HSAs) to pay for EndeavorOTC?

Yes, EndeavorOTC is FSA/HSA eligible. Your FSA/HSA card can be used for subscription purchases made directly through our website. Purchases made via the app store can be submitted for coverage obtained via FSA or HSA. Please check with your FSA or HSA provider on how to submit these costs.

If I have questions while activating the treatment, what should I do?

For answers regarding the download, purchasing, and activation of EndeavorOTC, please reach out to [email protected].

Why am I unable to login after completing my purchase online?

While treatment access is typically available within minutes of completing your purchase, it can take up to an hour for the entitlement service to set up your account. Please try again in an hour and if unsuccessful, please contact us at [email protected].

Is WiFi or data required to play EndeavorOTC?

Internet or network connectivity is not required to use the EndeavorOTC treatment, but it is required to download, register, activate, and start treatment. Once you begin treatment, you can use the EndeavorOTC treatment online or offline. For more information, visit the Instructions for Use.

What devices are recommended with EndeavorOTC?

Certified Devices: Our development team has tested EndeavorOTC directly on the following devices and certified that they provide appropriate gameplay performance.

Certified iOS Devices

  • iPad mini 5
  • iPad mini 6
  • iPhone 11
  • iPhone 13 Pro

Certified Android Devices

  • Samsung Galaxy S10
  • Google Pixel 6A
  • Samsung Galaxy S21
  • Samsung Tab A8

Open Devices: The following are examples of devices that meet the minimum system requirements for EndeavorOTC and are popular choices for users. While we cannot explicitly perform compatibility testing on all Open-tier devices, EndeavorOTC can be installed on these devices and we expect an appropriate gameplay experience with no major compatibility issues.

Open iOS Devices:

  • iPhone 11 Pro Max
  • iPhone 12
  • iPad® (7th generation)

Open Android Devices

  • Samsung Galaxy S21 Ultra
  • Samsung Galaxy S20 FE
  • Samsung Galaxy S10 Plus
  • Samsung Galaxy Note 10 Plus

Unsupported Devices: Devices that do not meet our system requirements are considered unsupported devices and should not be used to play EndeavorOTC. Please refer to the FAQ entry below for EndeavorOTC minimum requirements.

What devices are compatible for EndeavorOTC?

iOS Device Minimum Specifications

  • iOS version: 15.0
  • iPadOS® version: 15.1
  • Storage: 16 GB of storage space
  • Memory: 2 GB of RAM
  • Network Infrastructure: WiFi
  • Example Devices: iPad mini® 5, iPhone® 11, and later models

Android Device Minimum Specifications

  • Android OS version: 10.0
  • Storage: 32 GB of storage space
  • Memory: 3 GB of RAM
  • Network Infrastructure: WiFi
  • Example Devices: Samsung® Galaxy S10, Samsung Tab A8, and similar or later models

Unsupported Devices

Devices that do not meet our system requirements are considered unsupported devices and should not be used to play EndeavorOTC.

Avoid Unsupported Chipsets

Testing efforts have shown that some devices meet our minimum requirements, but due to certain chipset differences do not deliver the intended gameplay experience and are not supported for EndeavorOTC.

Unsupported Chipsets

  • Mediatek® MT8768T Helio P22T
  • MediaTek MT6762 Helio P22T
  • Mediatek MT8768N
  • MediaTek MT6769V/CU Helio G80
  • Spreadtrum SC9863A
  • Exynos 7884B®
  • Exynos 9611
  • Qualcomm SDM845 Snapdragon 845
  • Qualcomm SM7150 Snapdragon 730G

Devices Using Unsupported Chipsets Include:

  • Samsung Galaxy Tab A7 (all models)
  • Samsung Galaxy A20e
  • Samsung Galaxy Tab S6 Lite SM-P610 (Wi-Fi) and SM-P615 (LTE)
  • Samsung Galaxy A13 SM-A137
  • Google Pixel 3/ XL
  • OnePlus 6/ T
  • Sony Xperia X72
  • LG G7
  • Google Pixel 4a
  • Samsung Galaxy A71
  • Motorola One Fusion+
  • Samsung Galaxy M51

Please check your intended device’s chipset specifications to ensure it does not use an unsupported chipset.

Avoid International Devices

We recommend not using international devices with EndeavorOTC as international devices may deliver an unreliable EndeavorOTC gameplay experience.

Never Use Jailbroken Devices

Due to security, health privacy, and compatibility concerns, jailbroken devices should never be used to play EndeavorOTC.

For more information about device minimum requirements, see our Instructions for Use or visit EndeavorOTC on the App Store®or on Google Play

How do I manage my subscription?

If you purchased your subscription through the EndeavorOTC site, please click here and login with your credentials. Once logged in, your subscription can be managed through the customer portal (update billing info, user info, review payment history, cancel subscription).

If you purchased your subscription through the iOS App Store or Google Play, you can manage your subscription settings via your app store account.

How do I cancel my subscription if purchased online?

If you purchased your subscription via the EndeavorOTC website, please follow these steps to cancel your subscription:

  1. Click here to log in to your account from a desktop or mobile browser (not the mobile app)
  2. Select the “Cancel my membership” button and follow the instructions
  3. If the button is not there, please send an email to [email protected] for assistance

Please note: Subscriptions automatically renew. You must cancel your subscription before the renewal date in order to avoid billing the next periodic subscription fee to your account. No refunds will be issued for failure to cancel your subscription before renewal. Canceling your subscription does not result in a refund for the remaining current subscription period.

How do I cancel my iOS subscription?

Subscriptions purchased via the iOS App Store must be canceled through the iOS App Store. Subscriptions must be canceled at least 24 hours before renewal date. Canceling your subscription does not result in a refund for the remaining current subscription period.

Please follow these instructions to cancel your subscription.

How to cancel an iOS App Store subscription:

  1. Open the Settings app.
  2. Tap your name.
  3. Tap Subscriptions.
  4. Tap the subscription.
  5. Tap Cancel Subscription. You might need to scroll down to find the Cancel Subscription button. If there is no Cancel button or you see an expiration message in red text, the subscription is already canceled.

How do I cancel my Google Play subscription?

Subscriptions purchased via Google Play must be canceled through Google Play. Subscriptions must be canceled at least 24 hours before renewal date. Canceling your subscription does not result in a refund for the remaining current subscription period.

Please follow these instructions to cancel your subscription.

How to cancel a Google Play subscription:

  1. Access the Play Store app
  2. At the top right, tap your Profile picture
  3. Tap Payments & Subscriptions
  4. Tap Subscriptions
  5. Select the app subscription
  6. Tap Cancel Subscription
  7. Proceed through the Cancel Subscription steps

What is your refund policy?

At this time, no refunds are offered on EndeavorOTC subscription purchases, even if a subscription is canceled before the end of the subscription term.

If your subscription was purchased through the iOS App Store or through Google Play, you may be able to request a refund via Apple or Google in accordance with their applicable and then-existing policies. However, Apple or Google may decline refund requests at their discretion, which we don’t have influence over.

Please note that our refund policy is different from our Results or Money Back Promise. Please see the ‘Money Back Promise’ section of the FAQs for details.

If you have additional questions or need help, please contact [email protected].

Money Back Promise

Why is there no free trial?

Customers provided feedback that the Free Trial was important to understand if the product would work. Unfortunately, 7 days is not enough time with the EndeavorOTC treatment to assess whether it works on attention improvement. A minimum treatment course of 6 weeks is needed before progress should be fully assessed (some users may see improvement before 6 weeks) so we have introduced the money back promise as a means of offering users enough time with the product to determine whether the product is right for them.

We know results matter. And, we know EndeavorOTC is an effective treatment for attention and focus. If you play EndeavorOTC for 6 weeks, at least 70 minutes each week, and don’t see improvements in your attention, we will give you your money back as long as you meet the eligibility criteria and timeline described in the program terms and conditions.

What is the Results or Your Money Back Promise?

We know results matter. And, we know EndeavorOTC is an effective adult ADHD treatment to improve attention and focus. With our money back promise, if you play EndeavorOTC for 6 weeks, at least 70 minutes each week, and don’t see improvements in your attention, we will give you your money back. Users will need to reach out to [email protected] with the requested information and the Customer Service team will process the return.

We acknowledge that this treatment may not work for everyone and other factors may prevent progress. If you are an adult diagnosed with inattentive, or combined-type, ADHD, and have used the EndeavorOTC treatment according to the above recommended treatment time period without improvement in your attention-related symptoms or challenges, we will give you your money back provided you meet the eligibility criteria.

If on or after March 6th, 2024, you purchase your initial EndeavorOTC subscription using EndeavorOTC’s web-based payment platform (with payment via Stripe), and the program money back conditions are verified by our customer service team, we will process a return for the full purchase price, which will be credited back to your original payment method. If on or after March 6th, 2024, you purchased your initial EndeavorOTC subscription through the iOS App Store or Google Play, and the program money back conditions are verified by our customer service team, we will credit you your purchase price, through a Visa gift card. Please note, you are not eligible for this program if you are using EndeavorOTC through an employer or organizational offering.

Click here to see full program details.

Am I eligible for the Money Back Promise if I played a few months ago and did not see results?

In order to qualify for the Money Back Promise, you must be a new customer starting on or after March 6th, 2024, and have purchased in the last 90 days, in addition to having completed the minimum 6 weeks of treatment, 70 minutes a week. If it’s been longer than 90 days, or you purchased before the release of this program on March 6th, 2024, please reach out to our customer service team at [email protected] and we can help you get the most of your treatment moving forward.

How do I get my money back?

Please reach out to [email protected] and let them know you would like to get your money back as part of the Get Results or Money Back Promise. You will need to provide the email address associated with your EndeavorOTC account and proof of purchase (e.g. email receipt). Proof of purchase should show the store purchased from, purchase date, subscription (e.g. 3 months, 6 months, or 1 year) and purchase amount. We will also request your authorization for the EndeavorOTC customer support team to verify EndeavorOTC gameplay data, including, but not limited to: time on treatment, daily and weekly play data, and Focus Score changes.

After verifying that your EndeavorOTC gameplay data meets the treatment use requirements to be eligible for money back under this program, a member of our customer service team will confirm any additional information with you and then process the return of money.

Click here to see full program details.

Other Questions

How do I turn off the music and/or sound effects in the app?

Select the hamburger icon on the bottom left of the main hub to open the Settings menu. Select ‘Settings’ and then you will be able to tap the toggle to turn the music and sound effects on or off.

Why is the app not starting properly?

  • Ensure that the mobile device is connected to WiFi.
  • Ensure that the mobile device meets the minimum specifications outlined in the list of compatible devices section.
  • Ensure there is enough free storage space on your device to download and operate the application.

Why is my email or password not being accepted?

Double-check you have entered the text correctly and ensure that the mobile device is connected to WiFi during login and account registration.

Why can’t I play all of my treatment minutes?

If played right around midnight in your local time, some of the treatment minutes might count for next day’s gameplay (for example, starting the gameplay at 11:57pm and finishing at 12:03am). This issue can be alleviated by completing all missions in the same calendar day.

What do I do if the application unexpectedly quits, stops responding, or won’t open?

Follow your device manufacturer instructions to force quit the application (then open it again), restart your device, check for system updates or reinstall the application, if necessary.

How do I stop getting interrupted by notifications while using the app?

Follow your device manufacturer instructions to turn off or modify notifications prior to using EndeavorOTC.

Is my data safe if I use EndeavorOTC?

We understand how important it is to protect your privacy. Akili uses industry standard privacy and security measures to protect your health data, in accordance with terms of our Privacy Notice for the EndeavorOTC treatment located here.

Is EndeavorOTC available outside of the US?

At this time, in order to download and activate EndeavorOTC, you must be able to access the United States instance of the iOS App Store® or Google Play. Please feel free to sign up for our email list here to stay in the loop on future updates.

Can my child play EndeavorOTC?

EndeavorOTC is only indicated for adults 18 years and older. However, if your child is aged 8-17, they can play EndeavorRx, our FDA-authorized prescription video game treatment, which serves our pediatric population. Learn more about EndeavorRx and its Indications for Use at

Who are the makers of EndeavorOTC?

EndeavorOTC is made by Akili, a company that specializes in digital therapeutics designed to improve cognitive impairments such as focus and attention. Our innovative treatments look and feel like high-end video games, but unlike video games, they’re built on decades of neuroscience and proprietary technology that treat sources in the brain involved with disorders such as ADHD. In addition to EndeavorOTC, Akili also offers an FDA-authorized pediatric prescription product for children ages 8-17 with ADHD, EndeavorRx. Learn more about EndeavorRx and its Indications for Use at

How is EndeavorOTC different from non-therapeutic video games?

EndeavorOTC was designed specifically to challenge a user’s focus by requiring them to manage several challenging tasks at once. This algorithm changes the pathways of the brain, improving attention. The game also adapts in real time, getting harder as the player gets better, to continually challenge their skills and enhance their concentration. It’s screen time built for boosting brain power.