Comparison

Altimeter & Precision vs Compass & Altimeter

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

Head to head
About

Altimeter & Precision

This app provides accurate altitude and GPS coordinates, trusted by thousands for over 7 years. It prioritizes user privacy with no data collection or sharing. Customize your experience with various background colors.

Highlights
  • Accuracy Display
  • No Annoying Ads
  • No data collected or shared
  • 16 Background Colors
  • Altitude Measurement
  • GPS Coordinates
Features
Read full description

Thousands of users have trusted our altimeter for 7 years. This application is made in Montreal. No data collected or shared. For the price of a coffee, support us! Thank you very much!! Key Features: - Accuracy Display - No Annoying Ads - No data collected or shared - 16 Background Colors Please note: Walls, vehicle roofs, tall buildings and other obstructions can block line of sight to GPS satellites. To improve the accuracy, make sure that you maintain a clear view of the horizon in several directions. GPS accuracy varies depending on the number of visible GPS satellites. Locating all visible satellites can take several minutes, with accuracy gradually increasing over time.

About

Compass & Altimeter

This app provides precise geographical orientation with a compass and displays vital data like altitude, weather, and location. It helps users navigate, record locations, and measure real-time GPS speed, making it a useful travel companion.

Highlights
  • Accurate compass functionality
  • Display altitude, longitude, and latitude
  • Real-time weather information
  • Location recording
  • GPS speed measurement
Features
Read full description

Compass GPS is an application for measuring geographical orientation. It also supports many data displays, including altitude, longitude and latitude, weather, water boiling point, air data, magnetic field data and other information. It can help you find accurate directions, save location records and become an excellent guidance assistant for your travel. Key Features: – Experience a very good compass – Display longitude, latitude, altitude, weather, etc – Convenient location recording function – GPS real-time velocity measurement Unlimited access to subscriptions: – Unlock more GEO data – Accurate GPS speed measurement – Remove all Ads – You can subscribe to get unlimited access to all app features – Subscriptions are billed monthly or yearly at the rate based on the subscription plan – Payment will be charged to iTunes Account at confirmation of purchase – You can unsubscribe or try for free in iTunes settings – Subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period – Account will be charged for renewal within 24 hours prior to the end of the current period – Any unused portion of the free trial will be forfeited when the user purchases a subscription Privacy Policy: https://sites.google.com/view/privacypolicyforcompass Terms of Use: https://sites.google.com/view/serviceagreementcompass

Screenshots

Altimeter & Precision4 screens
Compass & Altimeter4 screens

Verdict

The call

Altimeter & Precision and Compass & Altimeter both sit at 4.8 stars, but that hides the real split: 92% of Altimeter & Precision's written reviews are positive against 46% of Compass & Altimeter's. Altimeter & Precision also leads on in-app purchases (none vs 3) and ads (none vs shown). Compass & Altimeter's advantage is price (Free vs $0.99) and chart position (#121 vs unranked). On rating, ratings volume, update cadence 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

Compass & Altimeter is free to download; Altimeter & Precision costs $0.99 up front. Compass & Altimeter sells 3 in-app purchases, starting at $1.99 per 7 days. Altimeter & Precision asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Altimeter & Precision holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 1.4K and 2.5K respectively. Written reviews point the same way: 92% of Altimeter & Precision's written reviews are positive against 46% of Compass & Altimeter's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 5 level
Altimeter & Precision versus Compass & Altimeter: the parameters behind the verdict, then further details
ParameterAltimeter & PrecisionCompass & Altimeter
Price$0.99Free — better
Rating4.8 (1.4K ratings) — better4.6 (2.5K ratings)
Positive reviews92.3% of reviews — better46.4% of reviews
Number of ratings1.4K2.5K — better
Update frequencyMonthlyMonthly
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank—#121 — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size8 MB27 MB
Age rating4+4+
DeveloperStudio Nano Ship, Inc.明力 王

Customer experience

Altimeter & Precision

All ratings1,406 ratings
Positive97.4%
Neutral1.8%
Negative0.9%
Written reviews91 reviews
Positive92.3%
Neutral3.3%
Negative4.4%

Compass & Altimeter

All ratings2,436 ratings
Positive90.7%
Neutral3.6%
Negative5.7%
Written reviews28 reviews
Positive46.4%
Neutral10.7%
Negative42.9%

User reviews

Altimeter & Precision

From 1.4K App Store ratings

What we love

  • 👍 Easy to use
  • 🔍 Accurate altitude readings
  • 🗺️ Useful map integration
  • 🔋 Reliable performance
  • 💻 Works well on multiple devices

Room to improve

  • 🐛 Inconsistent altitude readings
  • 🔒 Lack of customization options
  • 🤖 Issues with GPS/location tracking
  • 💰 Paid features not worth the cost

Compass & Altimeter

From 2.5K App Store ratings

What we love

  • 👍 Easy to use
  • 💡 Useful compass feature
  • 🚀 Smooth performance

Room to improve

  • 🐛 Inaccurate on iPad mini
  • 🐛 Drifts out of alignment over time
  • 💰 Forced premium subscription

Bugs and requests

Altimeter & Precision

Reported bugs

2 issues
  • App crashes when switching to map view
  • Altitude readings not updating correctly

Requested features

4 requests
  • Add iPad support
  • Provide more detailed location information
  • Include weather data integration
  • Improve map functionality

Compass & Altimeter

Reported bugs

3 issues
  • Compass doesn't move
  • Latitude/longitude doesn't work
  • Difficult to cancel subscription

Requested features

3 requests
  • Add km/h speed option
  • Improve iPad landscape mode support
  • Provide a free version

In-app purchases

None

Altimeter & Precision

No in-app purchases

3 purchases

Compass & Altimeter

Subscriptions3
  • Compass Premium3 Days trial$1.997 Days
  • Compass Premium3 Days trial$3.991 Month
  • Compass Premium3 Days trial$18.991 Year

Questions

Is Altimeter & Precision free?
Altimeter & Precision costs $0.99, with no in-app purchases.
Is Compass & Altimeter free?
Compass & Altimeter is free to download, with in-app purchases available.
Which has better reviews, Altimeter & Precision or Compass & Altimeter?
Altimeter & Precision is rated higher. Altimeter & Precision averages 4.8 out of 5 from 1.4K ratings, while Compass & Altimeter averages 4.6 from 2.5K ratings.
Do Altimeter & Precision or Compass & Altimeter have ads?
Compass & Altimeter shows ads; Altimeter & Precision does not.
Which is updated more often, Altimeter & Precision or Compass & Altimeter?
Altimeter & Precision ships an update monthly, and Compass & Altimeter monthly. Most recently, Altimeter & Precision was updated on November 6, 2026 and Compass & Altimeter on November 7, 2026.

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