Health Tracker: Symptom Diary

Content rating
Everyone
5+
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Content rating
Everyone
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About this app

Health Tracker is a private health diary for anyone who needs to tell a doctor what actually happened, and when. Log symptoms, food, medication and more, then take a clear report to your appointment.

Your entries are stored in the private application folder of your own Google Drive - an area only this app can open - with a copy on the device so it works offline. You sign in with your own Google account so the app can reach that folder. There is no account with us, no server of ours in between, and nothing about you reaches us unless you choose to email us.

Built for people managing an ongoing condition, working through an elimination diet, preparing for a specialist appointment, or simply trying to answer "how long has this been going on?" with something better than a guess.

📋 What You Can Log

- Symptoms, with severity
- Food and drink
- Medication, including scheduled doses and ones you missed
- Bowel movements, using the Bristol stool scale
- Sleep, mood and exercise
- Weight, blood pressure and blood glucose
- Any other event worth recording

Everything lands on one timeline, intterns are visible where theyactually occur - across the day, not buried in a monthly average.

🔒 Your Data, Your Drive

- Stored in your own Google Drive, in a folder only this app can read
- Syncs to your other devices throug
- Excluded from Android cloud backup and device transfer
- No usage analytics, no advertising
- Export everything to a single file whenever you like

📄 Reports For Your Appointment

Generate a factual summary of any window and export it as a PDF. It carries the figures, the
statistics behind them, and every en clinician can check one against theother. Ten minutes with a doctor goes further when the history is already on paper.

🤖 Optional AI Features

If you supply your own Google Gemini API key, the app can write two kinds of report from your log. The
summary describes what was recorded, pattern analysis suggests what thedata could point to, stating clearly that every explanation is unverified. It can also describe a meal
photo and estimate calories for food

The key is yours, and requests go frgle. Before the first one, the appshows exactly what is sent and asks you to agree, and nothing is ever sent unless you press the
button. Readings imported from Healtests unless you allow them. With afree-tier key, Google may use what you send to improve its products. Anything the AI writes has a
"Report a problem" link. Leave the kimply stay off.

⌚ Health Connect

Optionally import weight, blood presd exercise that other apps havealready recorded. Off until you turn it on, one data type at a time, and read-only - Health Tracker never writes back to Health Connect.

🚀 Getting Started

1. Open the app and connect your Goor log will live
2. Start logging whatever matters to you, from the first day
3. Set up medication schedules if yo
4. Add your Gemini API key in Settings only if you want the AI features

ⓘ Important

Health Tracker is not a medical device and does not diagnose, treat, cure, or prevent any medical
condition. It is a diary: it recordses patterns in what you recorded. Itcannot examine you, and nothing it produces is medical advice. The pattern analysis is speculative by
design and carries a fixed notice salified healthcare professional formedical advice, diagnosis, or treatment, and never use this app to delay seeking care.

Requires Android 10 or newer and a Google account. No subscription.

Privacy policy: https://celest-watches.com/health-tracker/privacy-policy.html
Support: https://celest-watches.com/
Track symptoms, food & meds. AI reports for your doctor. Private by design.
Updated on
Oct 25, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info and Health and fitness
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

App asks before sending data to Gemini; Health Connect excluded by default.
"Report a problem" option for AI text.
Doctor's PDF prints correctly in your language with proper wrapping.
Fixed medication doses on 12-hour/non-English phones.
Accurate sleep, blood pressure, and adherence calculations.
Clearer Health Connect and Drive sync status.
General stability and accessibility fixes.