Comparison

Altimeter GPS & Barometer vs Altimeter Pro

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

Head to head
About

Altimeter GPS & Barometer

This app provides accurate altitude and location data using your iPhone's sensors, even without an internet connection. It offers a compass, step counter, sunrise/sunset calculator, and multiple map options for outdoor adventures and survival situations.

Highlights
  • Accurate altitude readings (GPS, Aster, Barometer)
  • Offline functionality, no internet required
  • Integrated speedometer and pedometer
  • Sunrise/sunset calculator
  • Position finder and compass
  • Multiple map options
  • Today Widget for quick access
Features
Read full description

Unlock the full potential of your iPhone's sensors for your wilderness adventures and survival situations with Altimeter GPS. This app is thoughtfully designed for offline use, ensuring you're equipped even in remote locations. Key Features: Accurate Altimeter: Get precise altitude readings using our innovative "Pure Altitude Algorithm," whether you're tracking your location through GPS, Aster, or barometric data. No Internet Required: Unlike other altimeter apps, we don't rely on internet connections. Altimeter GPS reads your iPhone's GPS and barometer data directly with our advanced algorithms, making it your trusty companion in mountains, deserts, and beyond. Altimeter and Speedometer: Choose between meters-km/h or feet-mph for altitude and speed readings, all without needing an internet connection. Barometer Altitude Measurement (iPhone 6 and iPhone 6 Plus) Pedometer/Step Counter: Utilize the M7 co-processor of your iPhone 5s/6/6 Plus for step counting – no setup required. Stay active and healthy effortlessly. Sunrise/Sunset Calculator: Plan your outdoor activities with precision using our proprietary algorithm, calculating sunrise and sunset times based on your GPS coordinates. Position Finder: Mark your starting point and determine the shortest route back. Today Widget: Access your current address and altitude conveniently with the iOS 8 Today Widget. Flashlight: Our elegant and functional flashlight is bright, fast, and simple to use. Compass: Stay on course with a real-time direction indicator on the main screen and a handy new compass with Place Finder – all without needing Wi-Fi or 3G. Multiple Maps: Choose from Open Street Map, Hike Map, Stamen Map, and Open Cycle Map for your navigation needs. Chronometer: A simple and efficient tool that works even in the background. Always Know Your Location: Your current address is displayed prominently on the main screen, ensuring you're never lost. Whether you're conquering Mount Everest or exploring Death Valley, Altimeter GPS is your ultimate companion for outdoor activities like hiking, walking, skiing, rock climbing, mountain biking, and more.  Don't rely on an internet connection for altitude and barometer – trust Altimeter GPS to guide you on your adventures. Subscribe to access to premium app features; subscription details are the following: • Length: weekly, monthly, yearly • Your payment will be charged to your iTunes Account as soon as you confirm your purchase • You can manage your subscriptions and turn off auto-renewal from your Account Settings after the purchase • Your subscription will renew automatically, unless you turn off auto-renew at least 24 hours before the end of the current period • The cost of renewal will be charged to your account in the 24 hours prior to the end of the current period • When canceling a subscription, your subscription will stay active until the end of the period. Auto-renewal will be disabled, but the current subscription will not be refunded • Any unused portion of a free trial period, if offered, will be forfeited when purchasing a subscription Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Altimeter Pro

Measure your current altitude above sea level with precision. It also displays coordinates, speed, and atmospheric pressure, with an aviation-themed mode. Offers comparisons to famous landmarks and a built-in compass.

Highlights
  • Altitude measurement
  • Coordinate and speed display
  • Atmospheric pressure measurement
  • Compass with GPS and magnetic heading
  • Aviation-themed display mode
  • Comparison to landmarks
Features
Read full description

This app has developed with love in Switzerland. No data is collected or shared. Support us with the price of a coffee! Thank you!! Main features: • Display of altitude (above sea level), accuracy (in meters or feet) • No annoying ads • No data is collected or shared • Warning for inaccurate signal Additional features: • Display of coordinates and speed (in km/h or mph) • Aircraft mode display: Altimeter in aviation design (always displayed in feet) • Comparison of the current altitude with known buildings or mountains (Matterhorn, Mount Everest, ...) • Measurement of atmospheric / air pressure (incl. adjusted reading for sea level [QNH]) • Compass with magnetic- and GPS heading Please note: The measurement is conducted via GPS / Galileo / Glonass satellites. The accuracy can be affected by walls, roofs, tall buildings or trees and bad weather. For best results, the measurement should be done outdoors. Because the location of the satellites can take a few moments, the accuracy increases with time.

Screenshots

Altimeter GPS & Barometer4 screens
Altimeter Pro4 screens

Verdict

The call

The clearest difference is price: Altimeter GPS & Barometer at Free against Altimeter Pro's $0.99. Altimeter GPS & Barometer also leads on ratings volume (2.2K vs 9) and chart position (#140 vs unranked). Altimeter Pro's advantage is in-app purchases (none vs 7) and review sentiment (80% vs 58%). On rating, update cadence, ads and device support 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

Altimeter GPS & Barometer is free to download; Altimeter Pro costs $0.99 up front. Altimeter GPS & Barometer sells 7 in-app purchases, starting at $2.99 per 7 days. Altimeter Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Altimeter GPS & Barometer against 4.7 for Altimeter Pro. That said, the two scores are not equally well evidenced: Altimeter GPS & Barometer has 2.2K ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 58% of Altimeter GPS & Barometer's written reviews are positive against 80% of Altimeter Pro's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 5 level
Altimeter GPS & Barometer versus Altimeter Pro: the parameters behind the verdict, then further details
ParameterAltimeter GPS & BarometerAltimeter Pro
PriceFree — better$0.99
Rating4.6 (2.2K ratings)4.7 (9 ratings) — better
Positive reviews58.3% of reviews80.0% of reviews — better
Number of ratings2.2K — better9
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionPaid — better
Best chart rank#140 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.014.0
Further details — not scored
Size107 MB39 MB
Age rating4+4+
DeveloperAesthetic Apps & Widgets srldataWorks GmbH

Customer experience

Altimeter GPS & Barometer

All ratings2,098 ratings
Positive91.8%
Neutral2.5%
Negative5.7%
Written reviews290 reviews
Positive58.3%
Neutral4.1%
Negative37.6%

Altimeter Pro

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Bugs and requests

Altimeter GPS & Barometer

Reported bugs

4 issues
  • Doesn't work on iPhone 16
  • Altimeter shows incorrect elevation
  • Compass is 90 degrees off
  • Crashes on startup

Requested features

4 requests
  • Add widget capability
  • Support for elevations below sea level
  • Improve compass accuracy
  • Offline map support

Altimeter Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Altimeter GPS & Barometer

Subscriptions6
  • Weekly premium$2.997 Days
  • Weekly premium7 Days trial$2.997 Days
  • Weekly premium7 Days trial$4.997 Days
Show 3 more
  • Weekly premium$4.997 Days
  • Yearly premium$9.991 Year
  • Yearly premium7 Days trial$9.991 Year
One-time1
  • Remove advertisement forever$3.99
None

Altimeter Pro

No in-app purchases

Questions

Is Altimeter GPS & Barometer free?
Altimeter GPS & Barometer is free to download, with in-app purchases available.
Is Altimeter Pro free?
Altimeter Pro costs $0.99, with no in-app purchases.
Which has better reviews, Altimeter GPS & Barometer or Altimeter Pro?
Altimeter Pro is rated higher. Altimeter GPS & Barometer averages 4.6 out of 5 from 2.2K ratings, while Altimeter Pro averages 4.7 from 9 ratings.
Do Altimeter GPS & Barometer or Altimeter Pro have ads?
Neither Altimeter GPS & Barometer nor Altimeter Pro shows ads.
Which is updated more often, Altimeter GPS & Barometer or Altimeter Pro?
Altimeter GPS & Barometer ships an update fortnightly, and Altimeter Pro fortnightly. Most recently, Altimeter GPS & Barometer was updated on November 1, 2026 and Altimeter Pro on October 30, 2026.

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