# Orion2 vs Altimeter X.

The clearest difference is in-app purchases: Orion2 at none against Altimeter X.'s 1. Altimeter X.'s advantage is iOS requirement (13.0 vs 15.6). 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. Orion2 asks for nothing beyond the download.

Orion2 ships an update every 8 days, Altimeter X. every 5 days. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Orion2 | Altimeter X. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 5 days** |
| Size | 42 MB | 49 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [George Thomas](https://appshunter.io/developer/1726933298) | [Hubert Willy Lehmann](https://appshunter.io/developer/1684815110) |

## What reviewers say

### Orion2

[App page](https://appshunter.io/ios/app/orion2/id6476509477)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Orion2 free?

Orion2 is free to download, with no in-app purchases.

### Is Altimeter X. free?

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

### Do Orion2 or Altimeter X. have ads?

Neither Orion2 nor Altimeter X. shows ads.

### Which is updated more often, Orion2 or Altimeter X.?

Orion2 ships an update every 8 days, and Altimeter X. every 5 days. Most recently, Orion2 was updated on October 25, 2026 and Altimeter X. on October 11, 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.*