Privacy Policy
Last updated: 03/18/2026
This privacy policy describes how SteadyApp ("the Application") collects, uses and
protects user information.
1. Data Collected
Depending on the features used, the Application may collect the following types of
data:
Information provided by the user
– Name or username
– Email address
– Profile data (age, sex, height, weight, target weight, health conditions)
Apple Health Data (HealthKit)
With your consent, the Application reads the following data from Apple Health: step
count, active calories, basal calories, dietary energy, protein, carbohydrates,
fat, fiber, body weight and body fat percentage.
The Application writes to Apple Health: body weight and body fat percentage (only
values manually entered by the user).
This data is used exclusively to calculate your energy balance and track your
progress. It is stored locally on your device and synchronized in encrypted form
with our servers to enable backup and multi-device synchronization.
HealthKit data is never used for advertising, marketing or data mining purposes,
and is not transmitted to analytics tools.
Data related to application usage
– In-app activity information
– Progress and tracking data
– User preferences
Technical data
– Device type
– Operating system version
– Anonymous technical identifiers
2. Use of Data
The data collected is used to:
– Provide and improve the Application's features
– Calculate your energy balance and personalized recommendations
– Personalize the user experience
– Ensure proper technical operation and security
– Respond to support requests
Data is never sold, rented or shared for advertising or marketing purposes.
3. Data Sharing
Some data is processed by the following service providers, required for the
Application to function:
– Supabase: authentication and database hosting. Receives profile data and health
metrics in encrypted form for synchronization.
– RevenueCat: subscription management. Receives only purchase-related information
(user identifier, subscription status).
– Apple HealthKit: health data access. Data is read and written locally on the
user's device.
None of these providers use your data for advertising purposes. They process data
solely for the operation of the Application and in compliance with applicable
regulations.
4. Data Retention
Data is retained only for the duration necessary to provide the service or to
comply with legal obligations.
Users may request deletion of their data at any time, directly from the Application
(Profile > Delete my account) or by contacting the data controller listed below.
5. Security
Technical and organizational measures are implemented to protect data against
unauthorized access, loss or alteration:
– Encryption of data in transit (HTTPS)
– Encryption of local storage (MMKV)
– Per-user data isolation (Row Level Security)
No method of electronic transmission or storage is completely secure. The
Application nevertheless implements recognized protection standards.
6. User Rights
In accordance with applicable regulations (including the GDPR in Europe), users
have the following rights:
– right of access to data
– right of rectification
– right of deletion
– right to restriction of processing
– right to object
– right to data portability
Any request may be sent to the contact listed below.
7. Data Concerning Minors
The Application is not intended for children under 13. No voluntary collection of
data concerning minors is carried out.
If data concerning a minor has been collected in error, it will be deleted as soon
as possible.
8. Changes
This privacy policy may be updated to reflect technical, legal or functional
changes. Users will be informed of any significant changes.
9. Contact
For any questions regarding this privacy policy or data processing:
Email: antho@anthonymorvan.com
Data Controller: GTEK
Address: 60 rue François 1er, 75008 Paris.