jucabime.com

MINDSENTINEL PRIVACY POLICY

Last updated: 27 July 2026
MindSentinel is built on a single principle: your data stays on your device. This policy explains exactly what that means in practice, with no small print.

  1. WHAT MINDSENTINEL IS
    MindSentinel is a cognitive and emotional wellness app. It helps you follow your own progress over time by combining short tests, your mood log, relaxation sessions and — only if you want — data already stored in your iPhone’s Health app.
    MindSentinel is not a medical device, it does not diagnose illness, and it does not replace the judgement of a health professional. It produces statistical observations about your own data, for you.
    There is no user account, no sign-up and no login. The app does not need an internet connection to work.
  2. WHAT DATA IS PROCESSED
    Everything below is created and processed on your device.

Your activity in the app

  • Test sessions: scores, duration, date and time, and the specific metrics of each of the 19 tests (18 cognitive games and one finger-tapping test).
  • Mood: a 1–5 rating you can log each day, with an optional emotion label and an optional note.
  • Sleep: a 1–10 rating of how you rested, if you choose to log it.
  • Calm sessions: which technique you used, how long it lasted, whether you completed it and, optionally, how you felt before and after.
  • Profiles: the name and optional date of birth of each profile you create.
  • Settings: language, reminder time and the state of each permission.

Declared health profile — optional, off by default
Special category data · GDPR art. 9
Only if you enable the Declared health profile permission and choose to share it, the app stores:

  • Years of education and biological sex, used solely to adjust the expected level of comparisons.
  • Health situations you declare (for example: variable days, motor slowing, insomnia, anxiety). They exist only to adapt how the app reads your results and how much time it gives you in the tests. You can withdraw each one separately at any time.
  • WHO-5 Well-Being Index: if you complete this short World Health Organization questionnaire, its 0–100 score is stored so you can see your own trend.
    This data is never transmitted: it lives in your iPhone’s encrypted storage and disappears if you delete the app or use the delete option.

Voice metrics — only if you enable “Voice analysis”
Numeric features are extracted from short recordings: pitch, speech rate, pauses and energy. The audio itself is never stored — it is processed and deleted immediately after the metrics are extracted. Speech recognition runs in on-device-only mode (requiresOnDeviceRecognition = true), so the audio never leaves your phone, not even for processing.

Health app data — only if you enable “Usage analysis”
MindSentinel only reads; it never writes to Health. It can read: heart rate and resting heart rate, heart rate variability, blood oxygen, ECG, respiratory rate, VO₂ max, workouts, sleep, mindfulness minutes, walking speed, walking asymmetry and steadiness, stand time, wrist temperature, time in daylight and step count. On iOS 18 or later it can also read your state of mind if you log it in Health, so you don’t have to log it twice.
If you have several profiles, each one decides separately whether to use this data, because it belongs to whoever wears the watch rather than to a particular profile.

  1. WHAT MINDSENTINEL DOES NOT DO
    It does not send data to any server of ours.
    It does not send data to third parties: no analytics, no advertising, no crash reporting.
    It does not use CloudKit, iCloud Drive or any cloud backup.
    It does not track you across apps or websites.
    It does not share data with advertisers or anyone else.
    It does not store audio recordings.
    It does not write anything to the Health app.
  2. YOUR DATA, YOUR CONTROL
  • Separate permissions: each optional feature — reminders, health, voice, health profile — has its own toggle in You → Privacy. You can switch them off whenever you like.
  • Export: in You → My data you can take everything with you in a portable JSON file: sessions with their metrics, mood, sleep, passive data, Calm sessions, anything you declared and your consents. This is your right to portability (GDPR art. 20).
  • Delete: in the same place you can irreversibly wipe the entire local database, along with sensitive settings, notifications and temporary files (GDPR art. 17).
  • PDF report: you can generate a report to take to an appointment. If you turn on the anonymise option, your name appears neither in the document nor in its properties. You decide whether to share it and with whom.
  • Multiple profiles: each profile has its own data.
  1. IOS PERMISSIONS
  • Notifications: only if you enable local reminders. They are scheduled on your iPhone; there is no server.
  • Health: only if you enable usage analysis. Read-only.
  • Microphone: only if you enable voice analysis. Short recordings, processed locally and deleted immediately.
  • Speech recognition: only if you enable voice analysis, in on-device-only mode.
    If you deny any of these at the iOS level, MindSentinel still works: that feature is simply disabled.
  1. HELP RESOURCES
    The app includes a screen with emotional support and emergency phone numbers. That list is bundled inside the app, is not downloaded, and is chosen according to the region set on your device: we do not use your location. If you tap a number the Phone app opens; we neither intervene in nor record that call.
  2. CHILDREN
    MindSentinel is intended for adults. There is no children-specific content or tracking. Age is used only to calibrate comparisons and stays on your device.
  3. CHANGES TO THIS POLICY
    If this policy changes, we will update the date in the header. Significant changes will be announced inside the app the next time you open it.
  4. CONTACT
    For any privacy question: jucabime@hotmail.com
    The claim that everything happens on your device can be verified: simply inspect your phone’s network traffic to confirm that MindSentinel originates none.
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