I. FAQs

Q1: Altitude data is inaccurate or constantly displays 0. Cause: GPS signal not acquired, or the device is indoors/underground. Solution:

  1. Go to "Settings > Privacy & Security > Location Services" and confirm that Altimeter Pro has location permissions.
  2. Use the app in an open outdoor area and wait for GPS positioning to complete (usually takes 15–30 seconds).
  3. iPhone 6 and later models support barometer-assisted altitude measurement.

Q2: Location permission denied; unable to obtain location. Solution: Go to "Settings > Privacy & Security > Location Services > Altimeter Pro" and set the permission to "While Using the App" or "Always."

Q3: Premium features still unavailable after subscribing. Solution:

  1. Tap "Restore Purchase" on the app's settings page.
  2. Check your Apple ID subscription status: "App Store > Profile Icon (top right) > Subscriptions."
  3. Ensure your device is connected to the internet; if the issue persists, please contact us and include your Apple ID email address.

Q4: How do I cancel my subscription?

  1. Open the "Settings" app.
  2. Tap your Apple ID at the top.
  3. Select "Subscriptions."
  4. Find "Altimeter Pro" and tap "Cancel Subscription." After cancellation, you can still use premium features until the current billing cycle ends.

Q5: Free trial information Enjoy a 3-day free trial with your first subscription. Automatic renewal occurs within 24 hours before the trial ends ($9.99/week; CNY pricing is subject to App Store rates). You can cancel at any time during the trial period without incurring any charges.

Q6: Camera/Check-in function not working. Solution: Go to "Settings > Privacy & Security > Camera > Altimeter Pro" and enable camera permissions.

Q7: Route recording not displaying. Solution: Confirm that location permissions have been granted and that you manually tapped the "Start Recording" button. Route recording requires a GPS signal. II. Contact Us

If the solutions above do not resolve your issue, please feel free to contact us via email:

Email: [email protected]