# Alt vs Altimeter Tracker

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Alt | Altimeter Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/alt-o-meter/id1073846820/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Monetization | Free | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Hinman](https://appshunter.io/developer/1073846819) | [Raul Ros](https://appshunter.io/developer/6793556185) |

## What reviewers say

### Alt

[App page](https://appshunter.io/ios/app/alt-o-meter/id1073846820)

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

**In-app purchases:** none


### Altimeter Tracker

[App page](https://appshunter.io/ios/app/altimeter-tracker/id6793556183)

**In-app purchases:** none


## Frequently asked questions

### Is Alt free?

Alt is free to download, with no in-app purchases.

### Is Altimeter Tracker free?

Altimeter Tracker is free to download, with no in-app purchases.

### Do Alt or Altimeter Tracker have ads?

Neither Alt nor Altimeter Tracker shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*