Technical Support
Restore Purchases Manage Subscription Request a Refund Privacy Policy Product Overview
How to Reach Us
The fastest way to get help is to email us with a clear subject and a brief description of the issue. Please include, when possible:
- App version and iOS version
- Your Apple ID country/region (for subscription questions)
- Steps to reproduce, screenshots (optional)
Email: 19927728@qq.com
Restore Purchases
- Open DesireCalc and go to Settings → Subscription.
- Tap Restore Purchases.
- Make sure you are signed in with the same Apple ID used to buy the subscription and that you have a stable network connection.
Manage or Cancel Subscription
Subscriptions are managed through your Apple account. You can change, cancel, or switch plans at any time:
Refunds
Refunds are handled directly by Apple. Submit a request here:
We will assist you with any documentation required to support your request.
Troubleshooting
Common fixes
- Ensure you are online and signed in with the correct Apple ID.
- From Settings → Subscription, try Restore Purchases again.
- Kill and relaunch the app after successful restore.
- If text appears in the wrong language, check the in-app language setting or your system language.
Price & Currency
Prices shown in the app are provided by Apple and localized automatically by region and currency.
Requirements
- Devices: iPhone/iPad
- Recommended: iOS 15 or later
- Network: Required for subscription validation and cloud/AI features
Data & Privacy
We respect your privacy. For details on data collection, use, and rights, see our Privacy Policy. For terms of use, refer to the Apple Standard EULA.