Questions or suggestions? We'd love to hear from you.
Email: huayanming2019@gmail.com
In-app feedback: Settings › Help & Feedback › Feedback
Response time: within 15 working days
To help us locate the issue, please include the app version (Settings › About › Version), iOS version, exact steps, and screenshots if possible.
Everything is stored locally on your device with the Hive database; sensitive health data is AES-256 encrypted. The App has no servers, uploads nothing, and embeds no third-party analytics or advertising SDKs.
Export data (JSON) under "Settings › Data Management" on the old device, then restore from the same place after installing on the new one. Uninstalling permanently deletes local data with no recovery — always export before switching devices.
"Settings › Data Management › Clear all data" wipes everything in one tap; uninstalling does the same. Both are irreversible.
BMR via Mifflin-St Jeor, multiplied by your activity factor for TDEE, then adjusted for your goal (e.g. −500 kcal for fat loss, +300 kcal for muscle gain; fat-loss floors apply). Carbs, protein, and fat are allocated within the total.
No. It is a one-time, non-consumable Lifetime purchase (CNY 138; the App Store price prevails) unlocking all membership features forever — no subscription period, no auto-renewal, no further charges, nothing to cancel. For refunds, request them from Apple via the App Store.
Tap "Restore Purchases" on the membership page using the same Apple ID.
Check permissions under "Settings › Health › Data Access & Devices › Hui Chi Hui Lian", or re-authorize in "Profile › Apple Health Sync". Without authorization, the App reads and writes no health data.
Food data is compiled from public references and may contain errors; it is for reference only. For packaged foods, the product nutrition label prevails. Please email us about obvious mistakes and we will verify and fix them.
| Feature | Location |
|---|---|
| Export / restore data | Settings › Data Management |
| Clear all data | Settings › Data Management |
| Apple Health sync | Profile › Apple Health Sync |
| Reminder times | Settings › Notifications |
| Units (metric/imperial) | Settings › Units |
| Feedback | Settings › Help & Feedback |
| Privacy / Terms | Settings › About |