Build Momentum

Privacy policy

Last updated: September 10, 2026

This Privacy Policy describes Our policies and procedures on the collection, use and disclosure of Your information when You use the Service and tells You about Your privacy rights and how the law protects You.

We use Your Personal data to provide and improve the Service. By using the Service, You agree to the collection and use of information in accordance with this Privacy Policy.

Interpretation and Definitions

Interpretation

The words of which the initial letter is capitalized have meanings defined under the following conditions. The following definitions shall have the same meaning regardless of whether they appear in singular or in plural.

Definitions

For the purposes of this Privacy Policy:

Collecting and Using Your Personal Data

Types of Data Collected

Personal Data

While using Our Service, We may ask You to provide Us with certain personally identifiable information that can be used to contact or identify You. Personally identifiable information may include, but is not limited to:

Usage Data

Usage Data is collected automatically when using the Service.

Usage Data may include information such as Your Device's Internet Protocol address (e.g. IP address), browser type, browser version, the pages of our Service that You visit, the time and date of Your visit, the time spent on those pages, unique device identifiers and other diagnostic data.

When You access the Service by or through a mobile device, We may collect certain information automatically, including, but not limited to, the type of mobile device You use, Your mobile device unique ID, the IP address of Your mobile device, Your mobile operating system, the type of mobile Internet browser You use, unique device identifiers and other diagnostic data.

We may also collect information that Your browser sends whenever You visit our Service or when You access the Service by or through a mobile device.

Health and Fitness Data

If You choose to track a habit automatically, the Application reads specific health and fitness measurements from Apple Health or Health Connect. This is optional, read-only, and requested one measurement at a time. See Health and Fitness Data below for the full detail.

Use of Your Personal Data

The Company may use Personal Data for the following purposes:

We may share Your personal information in the following situations:

Retention of Your Personal Data

The Company will retain Your Personal Data only for as long as is necessary for the purposes set out in this Privacy Policy. We will retain and use Your Personal Data to the extent necessary to comply with our legal obligations (for example, if we are required to retain your data to comply with applicable laws), resolve disputes, and enforce our legal agreements and policies.

The Company will also retain Usage Data for internal analysis purposes. Usage Data is generally retained for a shorter period of time, except when this data is used to strengthen the security or to improve the functionality of Our Service, or We are legally obligated to retain this data for longer time periods.

Transfer of Your Personal Data

Your information, including Personal Data, is processed at the Company's operating offices and in any other places where the parties involved in the processing are located. It means that this information may be transferred to — and maintained on — computers located outside of Your state, province, country or other governmental jurisdiction where the data protection laws may differ than those from Your jurisdiction.

Your consent to this Privacy Policy followed by Your submission of such information represents Your agreement to that transfer.

The Company will take all steps reasonably necessary to ensure that Your data is treated securely and in accordance with this Privacy Policy and no transfer of Your Personal Data will take place to an organization or a country unless there are adequate controls in place including the security of Your data and other personal information.

Delete Your Personal Data

You have the right to delete or request that We assist in deleting the Personal Data that We have collected about You.

Our Service may give You the ability to delete certain information about You from within the Service.

You may update, amend, or delete Your information at any time by signing in to Your Account, if you have one, and visiting the account settings section that allows you to manage Your personal information. You may also contact Us to request access to, correct, or delete any personal information that You have provided to Us.

Please note, however, that We may need to retain certain information when we have a legal obligation or lawful basis to do so.

Disclosure of Your Personal Data

Business Transactions

If the Company is involved in a merger, acquisition or asset sale, Your Personal Data may be transferred. We will provide notice before Your Personal Data is transferred and becomes subject to a different Privacy Policy.

Law enforcement

Under certain circumstances, the Company may be required to disclose Your Personal Data if required to do so by law or in response to valid requests by public authorities (e.g. a court or a government agency).

Other legal requirements

The Company may disclose Your Personal Data in the good faith belief that such action is necessary to:

Security of Your Personal Data

The security of Your Personal Data is important to Us, but remember that no method of transmission over the Internet, or method of electronic storage is 100% secure. While We strive to use commercially acceptable means to protect Your Personal Data, We cannot guarantee its absolute security.

Health and Fitness Data

Build Momentum offers an optional feature called automatic tracking, which lets a habit update itself from the health and fitness data Your device already records, instead of You entering the value by hand. This section explains what that feature accesses, why, and what happens to the data.

Where the data comes from

We do not measure, generate, or derive any health data ourselves. We only read data that already exists on Your device, through the health platform Your operating system provides:

What we access

We request read-only access. Build Momentum never writes, modifies, or deletes any data in Apple Health or Health Connect. We request access only to the following data types, and only to those You actually use:

Data typeUsed for
StepsUpdating a step-count habit
Distance (walking and running)Updating a distance habit
Active energy burned (active calories)Updating an active-calories habit
Exercise time and exercise sessionsUpdating an exercise-minutes habit
Floors climbedUpdating a floors-climbed habit
SleepUpdating a sleep-duration habit
Hydration (water intake)Updating a water-intake habit

Access is granular and opt-in. Nothing is requested until You create or edit a habit and choose to link it to one of these data types. If You never use automatic tracking, no health or fitness data is ever accessed. Choosing one data type does not grant access to the others.

Background and historical access

For automatic tracking to be useful, the Application needs two additional grants on Android (READ_HEALTH_DATA_IN_BACKGROUND and READ_HEALTH_DATA_HISTORY), with the equivalent behaviour on iOS:

Both are used exclusively for the purposes above.

How we use it

Health and fitness data is used for one purpose only: to compute the daily value of the habits You chose to track automatically, and to display Your own progress back to You inside the Application.

We do not:

What we store, and where

We do not store raw health records. For each linked habit and each day, we store only a single aggregated daily total in the habit's own unit — for example "8,412 steps on 5 March" or "7.5 hours of sleep on 5 March" — together with a marker noting that the value came from Your health platform rather than being entered manually. Individual samples, workout details, timestamps within the day, heart rate, and location are never read or stored.

These daily totals are stored locally on Your device, in the Application's own storage, as part of Your habit history.

Cloud backup

Build Momentum offers an optional cloud backup. It is off unless You sign in and choose to back up. If You use it, Your habit history is uploaded to our backup storage, which runs on Google Firebase Realtime Database acting as our service provider. Because habit history includes the daily totals described above, those health-derived values are included in the backup.

The backup is stored under Your account identifier and is accessible only to You. It is not shared with anyone else, is not used for any purpose other than restoring Your data to a device, and is never used for advertising. You can delete the backup at any time from Profile → Account → Delete cloud backup, which removes it from our storage. If You never enable cloud backup, health-derived values never leave Your device.

How long we keep it

Locally, daily totals are kept as part of Your habit history until You delete the habit, the record, or the Application. Cloud backups are kept until You delete the backup or Your account.

Your control

You can withdraw access at any time, and the Application will simply stop updating those habits:

Revoking access does not delete values already recorded in Your habit history. To remove those, delete the individual records, the habit, or Your cloud backup.

Children's Privacy

Our Service does not address anyone under the age of 13. We do not knowingly collect personally identifiable information from anyone under the age of 13. If You are a parent or guardian and You are aware that Your child has provided Us with Personal Data, please contact Us. If We become aware that We have collected Personal Data from anyone under the age of 13 without verification of parental consent, We take steps to remove that information from Our servers.

If We need to rely on consent as a legal basis for processing Your information and Your country requires consent from a parent, We may require Your parent's consent before We collect and use that information.

Our Service may contain links to other websites that are not operated by Us. If You click on a third party link, You will be directed to that third party's site. We strongly advise You to review the Privacy Policy of every site You visit.

We have no control over and assume no responsibility for the content, privacy policies or practices of any third party sites or services.

Changes to this Privacy Policy

We may update Our Privacy Policy from time to time. We will notify You of any changes by posting the new Privacy Policy on this page.

We will let You know via email and/or a prominent notice on Our Service, prior to the change becoming effective and update the "Last updated" date at the top of this Privacy Policy.

You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

Contact Us

If you have any questions about this Privacy Policy, You can contact us: