Alt vs Altimeter Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Altimeter Tracker
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Altimeter Tracker is your altitude companion. Measure with precision the height at which you are located above sea level using the native barometric sensors of your iPhone. KEY FEATURES: - Real-time Measurement - Instant access to your current altitude - No Connection Required - Works completely offline, even in airplane mode - Maximum Privacy - Your information never leaves your device. No tracking, no servers, no third parties - Native Sensors - Uses Apple's barometer and location information for maximum accuracy - Interactive Widget - Keep your altitude visible on your home screen or lock screen - Accessible for Everyone - Designed following Apple's accessibility standards - Ad-Free - Clean and focused experience Perfect for: - Hiking and trekking - Climbing and mountaineering - Air travel (works in airplane mode) - Athletes and outdoor enthusiasts - Anyone curious about their altitude - Allows imperial or metric unit system depending on your phone settings PRIVACY AND SECURITY: Altimeter Tracker respects your privacy. It doesn't collect personal data, doesn't use external connections, and doesn't require accounts. You are the only owner of your information. TECHNOLOGY: Built with SwiftUI using Apple's latest APIs. Compatible with iPhone. Your altitude, your control.
Screenshots
Verdict
The clearest difference is iOS requirement: Alt at 17.0 against Altimeter Tracker's 26.0. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Alt | Altimeter Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (8 ratings) — better | — |
| Positive reviews | 76.5% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 15 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 3 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Joshua Hinman | Raul Ros |
In-app purchases
Alt
No in-app purchases
Altimeter Tracker
No in-app purchases









