Comparison

Alt vs Altimeter Elevation Watch

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Alt

This app calculates your precise altitude above sea level using your device's barometer or GPS. It offers a realistic, retro design and automatically calibrates for local atmospheric pressure, with optional manual calibration for advanced users.

Highlights
  • Barometer-based altitude calculation
  • GPS fallback for devices without barometer
  • Automatic local pressure calibration
  • Optional user calibration
  • Retro-style interface
  • Precise height above sea level
Read full description

Alt-O-Meter uses the barometer (air pressure sensor) in your late-model iPhone or iPad to calculate your precise height above sea level. Great for hiking, skiing, driving through mountain passes, flying, and more! • Reads ambient air pressure for a more precise reading than GPS. • Realistic, retro style. Looks like a classic airplane's altimeter! • Automatically calibrates for local atmospheric pressure. • ...also allows precise user calibration (optional; for advanced users) • Uses GPS hardware in devices that lack a barometer. • Completely free! No ads or in-app purchases.

About

Altimeter Elevation Watch

Track your elevation and altitude gain in real-time with this app. Designed for outdoor enthusiasts, it provides a precise altimeter directly on your Apple Watch face or iPhone home screen widget, allowing you to focus on your activity.

Highlights
  • Real-time altitude and elevation gain
  • Apple Watch complication
  • iPhone home screen widget
  • Live Activity on iPhone
  • Graphical daily profile
  • Monthly and yearly analysis
Features
Read full description

Track your current altitude and elevation gain at a glance, whether you’re hiking, climbing, mountain biking, or driving mountain roads. Altimeter – Elevation Widget & Watch Complication gives you a precise altimeter for your Apple Watch and iPhone. Keep your current altitude visible on your watch face, home screen, and iPhone Live Activity. The native CarPlay dashboard is a separate view designed for the drive, with current altitude, climb or descent per minute, grade, direction, peak, and gain. Try Siri with: “Siri, start Live Activity in Altimeter.” You can also ask: “Siri, what is my current altitude in Altimeter?” This app is designed for outdoor lovers and works as: • A complication for Apple Watch Series 4 or newer (watchOS 10.6 or later) • A home screen widget for your iPhone Features: • Real-time altitude and elevation gain • Complication for Apple Watch faces • Native CarPlay dashboard: current altitude, climb/descent per minute, grade, direction, peak, and gain • Live Activity on iPhone: current altitude, peak, and gain on the Lock Screen and Dynamic Island • Home screen widget for quick altitude checks • Siri, Shortcuts & Spotlight: start Live Activity, ask for current altitude, save altitude readings, and get ready for the new Siri experience this fall • Graphical daily profile and gain timeline • Heatmap + flowline for monthly and yearly analysis • Background significant-location updates for efficient day profiles • HealthKit Flights Climbed support for more robust gain calculation • Switch between meters and feet Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Alt3 screens
Altimeter Elevation Watch4 screens

Verdict

The call

The clearest difference is review sentiment: Alt at 76% against Altimeter Elevation Watch's 33%. Alt also leads on in-app purchases (none vs 2) and rating (4.5 vs 4.3). Altimeter Elevation Watch's advantage is update cadence (every 10 days vs every 15 months) and ratings volume (69 vs 8). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Altimeter Elevation Watch sells 2 in-app purchases, starting at $12.99 per year. Alt asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Alt holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Altimeter Elevation Watch has 69 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 76% of Alt's written reviews are positive against 33% of Altimeter Elevation Watch's.

UpkeepUpdate frequency

Alt ships an update every 15 months, Altimeter Elevation Watch every 10 days. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

Scorecard6 real differences · 4 level
Alt versus Altimeter Elevation Watch: the parameters behind the verdict, then further details
ParameterAltAltimeter Elevation Watch
PriceFreeFree
Rating4.5 (8 ratings) — better4.3 (69 ratings)
Positive reviews76.5% of reviews — better32.8% of reviews
Number of ratings869 — better
Update frequencyEvery 15 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS17.0 — better17.6
Further details — not scored
Size3 MB9 MB
Age rating4+4+
DeveloperJoshua HinmanBernhard Hering

Customer experience

Alt

All ratings8 ratings
Positive87.5%
Neutral12.5%
Negative0.0%
Written reviews17 reviews
Positive76.5%
Neutral17.6%
Negative5.9%

Altimeter Elevation Watch

All ratings69 ratings
Positive82.6%
Neutral5.8%
Negative11.6%
Written reviews64 reviews
Positive32.8%
Neutral14.1%
Negative53.1%

Bugs and requests

Alt

Not enough reviews yet to summarise bugs or requests.

Altimeter Elevation Watch

Reported bugs

29 issues
  • CarPlay screen is black
  • Elevation incorrect (50K feet off)
  • Cannot get past 'Location Access for Altimeter' page
  • App display language is a mix of German and English
  • App takes over iPhone operation, requires deletion
Show 24 more
  • Watch complications do not update automatically
  • Watch complications crash
  • Watch complications only display meters regardless of setting
  • App does not download to watch
  • Altitude does not change
  • App does not work
  • Not compatible with watch series 3 cellular
  • Watch app does not work
  • Cannot get it to read in feet on iPhone or Apple Watch
  • Wrong altitude displayed
  • Accuracy issues (changes while stationary)
  • Settings reset, must be set again
  • Watch app crashes
  • Complication does not update
  • Complication shows "Altimeter" instead of altitude
  • Watch app crashes on opening
  • App does not work on Series 3 watch
  • App does not work on Series 4 watch
  • Complication limited to 999 meters
  • Units not changeable to feet on watch
  • Complication does not work with certain watch faces
  • Complication does not update as advertised
  • Units change to meters when phone is not present
  • App does not work while flying

Requested features

10 requests
  • French translation for options
  • Basic widget for CarPlay
  • Watch complication with large number for elevation
  • Ability to set watch complications to feet
  • Larger complication size for watch face
Show 5 more
  • Elevation gain/loss on watch complication
  • Use watch's barometer
  • Graph of elevation changes on iPhone
  • Option to select complication size
  • Direction of travel indicator

In-app purchases

None

Alt

No in-app purchases

2 purchases

Altimeter Elevation Watch

Subscriptions1
  • Support Development$12.991 Year
One-time1
  • Lifetime$34.99

Questions

Is Alt free?
Alt is free to download, with no in-app purchases.
Is Altimeter Elevation Watch free?
Altimeter Elevation Watch is free to download, with in-app purchases available.
Which has better reviews, Alt or Altimeter Elevation Watch?
Alt is rated higher. Alt averages 4.5 out of 5 from 8 ratings, while Altimeter Elevation Watch averages 4.3 from 69 ratings.
Do Alt or Altimeter Elevation Watch have ads?
Neither Alt nor Altimeter Elevation Watch shows ads.
Which is updated more often, Alt or Altimeter Elevation Watch?
Alt ships an update every 15 months, and Altimeter Elevation Watch every 10 days. Most recently, Alt was updated on October 17, 2026 and Altimeter Elevation Watch on October 14, 2026.

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