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FAQ

Frequently asked questions and answers from users.

Installation & Download​

Q: Which platforms does Thyroid Tracker support?​

A: Currently supported:

  • iOS: iPhone, iPod (iOS 13.0 and above)
  • HarmonyOS: Huawei HarmonyOS Next system
  • Android: Android 8.0 and above, supporting Huawei, OPPO, Honor, Xiaomi, Vivo and other app stores

Q: Is the app free?​

A: Yes, Thyroid Tracker is completely free to use with no ads and no fees.

Q: Is the APK installation package safe?​

A: Yes, safe. Our APK packages have undergone strict security testing. You can use them with confidence. It is recommended to download only from the official website.

Q: How to check if the app is the latest version?​

A: The app automatically checks for updates. You can also:

  • Go to "More" page
  • Tap "About"
  • Check current version
  • If there's a new version, a "Update Now" button will be displayed

Account & Login​

Q: Is account registration required?​

A: No, it's not required. You can use all features without registering, but registration is recommended to:

  • Auto backup data
  • Cross-device sync
  • Don't lose data when changing phones

Q: What if I forgot my password?​

A: On the login page, tap "Forgot Password" and reset your password via phone verification code.

Q: Can I change my phone number?​

A: Yes. Go to "Account & Sync" → "Personal Info" → "Phone Number" and modify it after verification.

Q: Can I log in to multiple devices simultaneously?​

A: Yes. One account can be logged into multiple devices simultaneously, and data will sync automatically.

Q: How do I delete my account?​

A: Go to "Account & Sync" → scroll to the bottom → "Delete Account". Note: Data cannot be recovered after deletion.

Feature Usage​

Q: How to add custom examination items?​

A:

  1. Go to "Examination Indicators" page
  2. Tap "Manage Items"
  3. Tap "+" to add
  4. Fill in item name, unit, and reference range
  5. Save

Q: Why is my indicator reference range different from the system default?​

A: Reference ranges may differ between hospitals and testing methods. You can:

  • Go to "Manage Items"
  • Find the corresponding indicator
  • Edit the reference range
  • Save

Q: Can I record data for family members?​

A: One account can only record data for one person. If you need to manage data for multiple people, it is recommended to create separate accounts for each family member.

Q: Can I set multiple time points for medication reminders?​

A: Yes. When adding or editing medication, you can set multiple reminder times, for example:

  • Twice daily: 7:00, 19:00
  • Three times daily: 7:00, 12:00, 19:00

Q: What if I forget to take my medication?​

A:

  • If discovered in time (less than 2 hours from planned time): Take the missed dose immediately
  • If already close to next medication time: Skip this dose and take the next one normally
  • Never take a double dose at once

Q: How to set follow-up reminders?​

A:

  1. Go to "More" → "Reminder Management" → "Follow-up Reminder"
  2. Tap "+" to add
  3. Select follow-up date
  4. Set advance reminder days
  5. Save

Q: Will my data be lost?​

A: If you are logged in and sync is enabled, data is automatically backed up to the cloud and will not be lost. Data for non-logged-in users is saved locally only and will be lost if the app is uninstalled.

Data Management​

Q: How to export my data?​

A:

  1. Go to "Records" page
  2. Tap the menu button in the upper right corner
  3. Select "Export Data"
  4. Choose export format (PDF/Excel/JSON)
  5. Select date range
  6. Tap "Export"

Q: Can I edit exported data?​

A: Excel and JSON formats can be edited; PDF format cannot be edited.

Q: How to delete all data?​

A:

  1. Go to "Account & Sync"
  2. Tap "Data Management"
  3. Select "Clear All Data"
  4. Confirm deletion

Note: Deletion cannot be undone. Please proceed with caution.

Q: Where is data stored?​

A:

  • Logged-in users: Data is stored locally and in the cloud
  • Non-logged-in users: Data is stored locally only

Q: Is the server in China?​

A: Yes, our servers are located within China, complying with national data security regulations.

Privacy & Security​

Q: Will my data be shared with third parties?​

A: Never. We commit:

  • We will not sell your data
  • We will not share your health information without your consent
  • We will not use data for advertising

Q: Is data transmission secure?​

A: All data transmission uses HTTPS/TLS encryption to ensure security.

Q: Is local data encrypted?​

A: Yes, local data is encrypted to prevent unauthorized access.

Q: Can others see my data?​

A: Only you can view your data. Even our technical staff cannot view your specific health data.

Q: Does the app have ads?​

A: No, Thyroid Tracker commits to being permanently ad-free.

Feedback​

Q: How to report a bug?​

A: You can provide feedback through:

When providing feedback, please include:

  • Your device model and system version
  • Thyroid Tracker version number
  • Detailed description of the problem
  • Steps to reproduce
  • Screenshots (if applicable)

Q: How to suggest features?​

A: Suggestions are welcome:

We carefully consider every suggestion.

Q: How to contact customer service?​

A:

  • Email: support@joyzr.com
  • Working Hours: Monday to Friday, 9:00-18:00
  • Response Time: Usually within 24 hours

Q: Can this app replace doctor's advice?​

A: No. Thyroid Tracker is only a health management tool and cannot replace professional medical advice. All decisions regarding diagnosis and treatment should be consulted with your doctor.

Q: Is the reference range provided by the app accurate?​

A: Reference ranges are based on general medical standards, but reference ranges may differ between laboratories. Please refer to your doctor and the reference range on your test report.

Q: My indicator is abnormal. Will the app provide treatment suggestions?​

A: No. The app is only responsible for recording and displaying data and will not provide any diagnosis or treatment suggestions. Please consult your doctor for abnormal indicators.

Q: Can I use this app for online doctor consultations?​

A: Not currently supported. But we plan to add online consultation features in the future.

Technical Issues​

Q: How much storage space does the app use?​

A: The app itself is about 30-40MB. Data storage depends on the number of records, usually only a few MB.

Q: Does the app require an internet connection?​

A: Most features can be used offline. However, the following features require network:

  • Account login/sync
  • Data backup/recovery
  • Getting latest content

Q: Does the app drain battery?​

A: The app is optimized and has low battery consumption. Main battery consumption scenarios:

  • Background data sync
  • Push notifications

Q: Is dark mode supported?​

A: Yes. The app automatically switches between light/dark mode based on system settings.

Q: Is tablet support available?​

A: Yes. Both iPad and Android tablets can use it, and the interface will automatically adapt.

Q: Which languages does the app support?​

A: Currently only Simplified Chinese is supported. We plan to support Traditional Chinese, English, and more in the future.

Updates & Maintenance​

Q: How to update the app?​

A:

  • iOS: App Store updates automatically, or manually check for updates
  • Android: App stores update automatically, or check for updates in "More" → "About"

Q: Will updates delete my data?​

A: No. Updating the app will not affect your data.

Q: What if the app stops being maintained?​

A: We commit to continuously maintaining the app. Even in extreme cases where maintenance stops, we will:

  • Notify users 6 months in advance
  • Provide data export functionality
  • Ensure users have sufficient time to backup and migrate data

Other Questions​

Q: Is it suitable for elderly users?​

A: Yes. The app is designed to be simple with larger fonts and easy operation. If elderly users are not familiar with smartphones, it is recommended that family members assist with setup.

Q: Can I purchase medication within the app?​

A: No. The app does not provide medication purchasing functionality. Please purchase from regular pharmacies or hospital pharmacies.

Q: Does the app collect my location information?​

A: No. The app does not collect any location information.

Q: How to rate the app?​

A: If you like Thyroid Tracker, welcome to rate and review us on the app store. Your support is our motivation to move forward!

Q: Haven't found the answer yet?​

A: If your question isn't answered here, please:

  1. Check our User Guide
  2. Search our Help Documentation
  3. Contact Us

We will respond as soon as possible.