# Altimeter X. vs Altitude

The clearest difference is in-app purchases: Altitude at none against Altimeter X.'s 1. Altimeter X.'s advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Altimeter X. sells 1 one-off in-app purchase. Altitude asks for nothing beyond the download.

Altimeter X. ships an update every 5 days, Altitude every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Altimeter X. | Altitude |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 49 MB | 8 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hubert Willy Lehmann](https://appshunter.io/developer/1684815110) | [康 陆](https://appshunter.io/developer/1889797709) |

## What reviewers say

### Altimeter X.

[App page](https://appshunter.io/ios/app/altimeter-x/id6708236560)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Altitude

[App page](https://appshunter.io/ios/app/altitude-now/id6770940856)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Altimeter X. free?

Altimeter X. is free to download, with in-app purchases available.

### Is Altitude free?

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

### Do Altimeter X. or Altitude have ads?

Neither Altimeter X. nor Altitude shows ads.

### Which is updated more often, Altimeter X. or Altitude?

Altimeter X. ships an update every 5 days, and Altitude every 3 days. Most recently, Altimeter X. was updated on October 30, 2026 and Altitude on October 31, 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.*