HowHigh: Barometer & Altimeter
Live pressure & altitude logs
Free · Designed for iPad
Capture precise barometer and altimeter sessions, review Swift Charts, and enjoy seamless iPhone + iPad support with HowHigh.
HowHigh turns your iPhone or iPad into a precision barometer and altimeter built for people who live by pressure changes and elevation gains. Switch instantly between dedicated tabs for live readings, log recording, and historical analysis, all wrapped in a native Apple design that feels at home on every device.
Why outdoor pros, pilots, and weather watchers choose HowHigh:
- Dual barometer and altimeter dashboards provide real-time pressure, elevation, rate of change, and sea-level adjustments.
- Session recording captures every adventure or experiment, storing rich datasets you can replay at any time.
- Interactive Swift Charts let you scrub through graphs, highlight peaks, and compare English or metric units with a tap.
- Automatic device calibration keeps readings trustworthy whether you are tracking storms, mapping mountain trails, or tuning indoor environments.
- Universal support means the experience is optimized for iPhone and iPad, Split View, Dynamic Type, and the latest iOS accessibility features.
Ready from day one for localization, HowHigh surfaces every string through Localizable resources so teams can translate quickly and keep global releases in sync. iCloud sync is not required—your sessions remain safely on-device until you decide to share or export them.
Take your next hike, flight, studio session, or science experiment to a new level with HowHigh. Start a recording, watch the pressure build, and keep precise altitude intelligence in your pocket.
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Liquid Glass & iPad support
The developer, Thirty Seven Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Thirty Seven Inc.
- Size
- 1.2 MB
- Category
- Utilities
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
English and 9 more
- English, Arabic, French, German, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © 2025 Thirty Seven, Inc.