Last Updated: January 2025

Please read this User Agreement carefully before using this application. By using this application, you agree to all the terms of this agreement.

I. Service Description

Altimeter Pro is a real-time altitude measurement tool offering the following features:

• Real-time altitude display (meters/feet)
• GPS coordinates and address information
• Barometer display
• Compass
• Altitude history and trend charts
• Route recording and map display
• Check-in photos
• Altitude sharing cards

Altitude data is derived from the device's built-in GPS sensors and barometer; it is for reference only and does not constitute a basis for professional surveying, mountaineering, aviation, or any other professional use.

II. Membership Subscription Terms

2.1 Subscription Content Altimeter Pro membership (Pro Membership) unlocks the following premium features: History and trend charts, compass functionality, map routes, and check-in photos.

2.2 Subscription Price and Billing

• Subscription Cycle: Weekly auto-renewal
• Subscription Price: $9.99/week (RMB pricing is subject to the App Store page display)
• Free Trial: 3-day free trial for first-time subscribers
• Renewal Timing: Subscription fees are automatically charged within 24 hours prior to the end of the trial period