Comparison

Compass Iris vs Altimy

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

Head to head
About

Compass Iris

Features
Read full description

Precision Compass App with Retro Aesthetics and Modern Features Compass Iris perfectly blends classic design with cutting-edge technology. Simple yet powerful, it provides accurate bearing information for hiking, travel, orienteering, and more. Key Features: * Precise Compass Function Real-time 360-degree bearing display for accurate direction finding. Choose between magnetic and true north with smooth, intuitive animations. * GPS Coordinates Display View real-time latitude, longitude, and altitude information of your current location. Copy coordinates easily to share with other apps. * Saved Directions Feature Save up to 10 important directions with custom names. Track the difference between saved directions and your current bearing to find your destination. * Built-in Level Meter Simple level meter to check your device's horizontal alignment. Useful for photography or installation work. * Direction Lock Mode Lock your current direction to help you return to your original position. Displays the angular difference from the locked direction. * Retro Design Newtro-style interface reminiscent of the macOS 9 era adds a touch of nostalgia. Features classic colors and typography. * Haptic Feedback Vibration alerts when reaching cardinal directions. Provides a more intuitive user experience. * Dark Mode Support Optimized readability in both bright and dark environments. Automatically switches based on system settings. * Perfect Offline Operation All features work without internet connection. Use worry-free in mountains or abroad. * Privacy Protected Location data is processed only on your device and never transmitted externally. No server or account required. Perfect for: - Hikers, trekkers, and outdoor enthusiasts - Travelers needing direction confirmation - Orienteering and geocaching activities - Frequent GPS coordinate users - Retro aesthetic app lovers - Anyone needing a simple, accurate compass Technical Information: - iPhone optimized - Requires iOS 16.0 or later - Pure native app - No ads - No in-app purchases - All features free - Multilingual support - 10 languages Find your way anywhere with Compass Iris.

About

Altimy

This app provides precise altitude, GPS location, and barometric pressure readings for outdoor activities. It features an electronic compass, sunrise/sunset times, and an offline map card. Designed for privacy, it processes all data on your device with no internet required.

Highlights
  • Real-time altitude readings
  • Precise GPS location tracking
  • Barometric pressure monitoring
  • Electronic compass with haptic feedback
  • Sunrise and sunset calculations
  • Offline map card
  • Night mode
Features
Read full description

Altimy is a professional outdoor altimeter and compass app for hikers, mountaineers, and outdoor enthusiasts. No ads. No subscriptions. No data collection. Just pure, reliable data. Real‑Time Altitude Barometric pressure sensor delivers precise altitude readings. Automatic fallback to GPS altitude when barometer is unavailable. Switch between feet and meters. GPS Location Precise latitude and longitude in DMS or decimal format. Real‑time speed tracking and horizontal accuracy display. Barometric Pressure Live atmospheric pressure in kPa, mBar, atm, or mmHg. Perfect for weather monitoring and altitude calibration. Electronic Compass 360 degree rotating compass dial with magnetic north heading. Full‑screen Apple‑style compass view with degree markings, cardinal directions, and haptic feedback at every 30 degree interval. Sunrise and Sunset Automatic calculation based on your GPS location. Plan your hikes with confidence. Map Card (Premium) Static map snapshot of your current location with dark mode and zoom controls. Night Mode Auto‑switching based on sunrise and sunset times, or manual toggle. Protects your night vision. Totally Offline All sensor data processed entirely on your device. No internet required. Your data never leaves your device because we have no servers. Premium (One‑Time Purchase) Lifetime access. No subscriptions. Ever. Includes profile display with avatar and nickname, and map card with zoom controls. Privacy First We do not collect your data. We cannot, because we have no servers. All GPS, barometer, and compass data stays on your device. Perfect For Hiking, mountaineering, camping, trail running, backpacking, orienteering, geocaching, outdoor photography, and field research. Download Altimy and turn your iPhone into a precision outdoor instrument.

Screenshots

Compass Iris4 screens
Altimy4 screens

Verdict

The call

The clearest difference is in-app purchases: Compass Iris at none against Altimy's 1. Compass Iris also leads on update cadence (every 10 days vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, 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

Both are free to download. Altimy sells 1 one-off in-app purchase. Compass Iris asks for nothing beyond the download.

UpkeepUpdate frequency

Compass Iris ships an update every 10 days, Altimy every 2 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 5 level
Compass Iris versus Altimy: the parameters behind the verdict, then further details
ParameterCompass IrisAltimy
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size10 MB3 MB
Age rating4+4+
DeveloperKihyup Kim立 陈

In-app purchases

None

Compass Iris

No in-app purchases

1 purchases

Altimy

One-time1
  • Lifetime Premium Access$1.99

Questions

Is Compass Iris free?
Compass Iris is free to download, with no in-app purchases.
Is Altimy free?
Altimy is free to download, with in-app purchases available.
Do Compass Iris or Altimy have ads?
Neither Compass Iris nor Altimy shows ads.
Which is updated more often, Compass Iris or Altimy?
Compass Iris ships an update every 10 days, and Altimy every 2 months. Most recently, Compass Iris was updated on October 30, 2026 and Altimy on November 5, 2026.

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