This pro-grade tool provides accurate live altitude and compass readings by fusing GPS with device sensors. It also offers sun and moon tracking, golden hour timing, and coordinate display, making it ideal for outdoor activities and photography.
1.5.2
September 29, 2026
Improved altitude accuracy. Barometric altitude is now calibrated only from a stable GPS fix, so a weak first signal no longer throws the reading off. Until calibration completes, the app asks you to step outdoors instead of showing an unreliable estimate. Also includes reliability improvements.
MorePro access for 1 year. Auto-renews.
Thank you! We're glad you're enjoying the app, and we appreciate your support.
抱歉，相机授权问题影响了使用。请先在系统设置中查看本应用是否有相机权限；如果已开启，返回应用后仍无法使用，或设置里没有相机开关，请通过 twtams@163.com 告诉我们手机型号、iOS 版本，以及是在拍照页还是 AR 页遇到问题。我们已记录这项反馈，后续会核查授权和返回应用的流程。
谢谢你对老 A 的支持！很高兴这些功能能满足你的实际需要，也谢谢你对细节的认可。
Compass Altimeter offers monthly ($1.99/month), yearly ($9.99/month billed annually), and lifetime ($19.99 one-time purchase) premium membership options. A 3-day free trial is available for the annual plan.
The app uses a fusion of GPS and iOS barometer for faster, more accurate live altitude readings. It also provides an accuracy readout and allows users to select between Auto, GPS, and Barometric modes for altitude measurement.
No, Compass Altimeter does not contain advertisements. The core functionality is free, with optional premium features available through a subscription.
Compass Altimeter is available for iPhone, iPad, and iPod touch devices. It requires iOS 13.0 or later.
To cancel your subscription, navigate to Settings → Apple ID, iCloud, iTunes & App Store → Subscriptions and turn off auto-renewal at least 24 hours before your current subscription period ends.
The latest version of Compass Altimeter, 1.2.2, was last updated on May 26, 2026. The app was initially released on September 25, 2025.
Premium features include a red light eye protection display for night use, display of measurement precision information, and real-time environmental magnetic field data. More restricted features are planned for the future.
Yes, Compass Altimeter has an age rating of 4+, making it suitable for younger users. Its location permissions are limited to 'while in use' for essential calculations.
