This app allows you to monitor your current altitude and view a 24-hour history directly on your Apple Watch. It offers various complication types to display key altitude data at a glance.
3.0(3 ratings)
Free
Best apps like Up High - Barometric Altimeter
19+ similar apps compared and reviewed
4.0 avg rating
4 free apps
Updated July 2026
Up High is great, but it's not the only option. Explore 19+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
Top Alternatives to Up High
4.7(85 ratings)
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This app provides essential tools for Audio Visual technicians. It helps detect and set custom display resolutions, generates various audio and video test patterns, and includes helpful references for AV systems. It can also function as a document camera.
4.2(20 ratings)
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This app offers a customizable date complication for your watch. Choose from over 30 date formats for two lines, with hundreds of combinations. You can also set separate colors for each line and the app supports localized date formats.
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Mars-Clock
Timekeeping for Mars Missions
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Track real-time NASA Mars mission data, including sols, local solar time, sunrise/sunset, and Earth-Mars distance. This educational tool provides an informative and easy-to-read display of active missions like Curiosity, InSight, and Perseverance.
Mission Sol trackingLocal Mean Solar Time (LMST)Sunrise/sunset times
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HAVRION ALERT
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This mobile panic button app provides rapid alerts to law enforcement and first responders during emergencies. It offers one-person activation with color-coded buttons for different event types, delivering immediate instructions and notifications to affected individuals and stakeholders.
One-person activationColor-coded emergency buttonsDirect link to law enforcement
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When Do - A Complication
Countdowns on your watch
$0.99
Display countdowns to or from important events directly on your watch face. Set a date, name, and icon for any occasion, from weddings to vacations. Supports multiple complication types and up to three events per watch face.
Event countdownsCustomizable iconsMultiple complication types
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RPN Calc
by James Mattis
$0.99
This app provides a straightforward reverse Polish notation (RPN) calculator experience, inspired by classic HP models. It offers a clean interface with large buttons for quick calculations on iPhone, iPad, and Apple Watch, along with a convenient Today Extension for immediate access.
Reverse Polish Notation (RPN) inputClean, simple interfaceLarge, easy-to-press buttons
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MonthDay
Numeric date complications
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Display the current date on your watch face with customizable complications. View month, day, year, and day of the week based on complication size and regional settings.
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Timegrapher X
Mechanical Watch Timegrapher
$29.99
$49.99 | 40% OFF
This app analyzes the ticking sound of mechanical watches to measure accuracy, beat error, and amplitude. It offers real-time waveform and detailed diagram displays, as well as long-term data logging for in-depth analysis. Pro features include PDF reports, CSV export, and extended testing durations.
Mechanical watch sound analysisMeasures accuracy, beat error, amplitudeReal-time waveform display
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free with in-app purchases