Hydrosense Privacy Policy
Last updated: 19 October 2026
Template: review before publishing. Fill every TODO and confirm each row against what the app really collects, then set reviewed: true in src/data/privacy.ts. This is not legal advice.
Who we are
Hydrosense is published by Fenil Shah (Pure Perspective). Contact: heyfenilshah@gmail.com.
What data the app collects
| Data | Why | Where it is stored |
|---|---|---|
| Profile: age, weight, height, biological sex, activity level, units | To estimate a daily water goal | On your device (SQLite) |
| Water logs, goals, streaks and history | To show progress and history | On your device (SQLite) |
| Approximate location (optional) | To look up the weather and adjust your goal on hot or humid days | Cached on your device; coordinates are sent to Open-Meteo to get the weather |
| Reminder timing and your drinking pattern | To schedule reminders around your routine | On your device |
| Advertising identifier and ad interaction data | To show ads through Google AdMob (and rewarded ads, if offered) | Google AdMob |
| Purchase status for the "remove ads" in-app purchase | To unlock the ad-free experience | Google Play / Apple (we do not see payment details) |
We do not sell your personal data.
Service providers and third parties
- Open-Meteo: weather data for your approximate coordinates
- Google AdMob: ads
- Google Play Billing / Apple In-App Purchase: the remove-ads purchase
This app shows ads through Google AdMob, which may use an advertising identifier and similar technologies. You can reset or limit the advertising ID in your device settings.
How long we keep data
Your profile and logs stay on your device until you delete them in the app, clear app data or uninstall.
Your choices and deleting your data
You can delete your data by clearing app data or uninstalling the app. Questions? Email the support address on this page.
You can turn off notifications at any time in your phone settings.
Children
Hydrosense is not intended for children under 13. It is a general wellness tool and does not give medical advice.
Security
We use reasonable measures to protect your data, but no method of storage or transmission is completely secure.
Changes to this policy
If this policy changes, the date above will be updated.
Contact
Questions? See the support page or contact page. Terms: Terms of use.