# Alt vs Altitude Meter & Coordinates

The clearest difference is in-app purchases: Alt at none against Altitude Meter & Coordinates's 2. Alt also leads on ads (none vs shown). Altitude Meter & Coordinates's advantage is update cadence (every 8 days vs every 15 months) and iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Altitude Meter & Coordinates sells 2 in-app purchases, starting at $1.99 per month. Alt asks for nothing beyond the download.

Alt ships an update every 15 months, Altitude Meter & Coordinates every 8 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Alt | Altitude Meter & Coordinates |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 3 MB | 35 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Hinman](https://appshunter.io/developer/1073846819) | [Hasan Basri Ozturk](https://appshunter.io/developer/1607706650) |

## 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


### Altitude Meter & Coordinates

[App page](https://appshunter.io/ios/app/altitude-meter-and-coordinates/id6449201949)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $11.99 | per year |


## Frequently asked questions

### Is Alt free?

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

### Is Altitude Meter & Coordinates free?

Altitude Meter & Coordinates is free to download, with in-app purchases available.

### Do Alt or Altitude Meter & Coordinates have ads?

Altitude Meter & Coordinates shows ads; Alt does not.

### Which is updated more often, Alt or Altitude Meter & Coordinates?

Alt ships an update every 15 months, and Altitude Meter & Coordinates every 8 days. Most recently, Alt was updated on October 24, 2026 and Altitude Meter & Coordinates on October 7, 2026.

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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.*