# OBLIQUUS vs altimer

The clearest difference is update cadence: altimer at daily against OBLIQUUS's every 17 months. OBLIQUUS's advantage is iOS requirement (12.0 vs 16.4). 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.

OBLIQUUS ships an update every 17 months, altimer daily. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | OBLIQUUS | altimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Daily** |
| Size | 37 MB | 36 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BitSolar](https://appshunter.io/developer/998776921) | [Masahiro Sone](https://appshunter.io/developer/6778677040) |

## What reviewers say

### OBLIQUUS

[App page](https://appshunter.io/ios/app/obliquus/id1624634997)

**Features:** macOS Compatibility

**In-app purchases:** none


### altimer

[App page](https://appshunter.io/ios/app/altimer/id6784337498)

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

**In-app purchases:** none


## Frequently asked questions

### Is OBLIQUUS free?

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

### Is altimer free?

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

### Do OBLIQUUS or altimer have ads?

Neither OBLIQUUS nor altimer shows ads.

### Which is updated more often, OBLIQUUS or altimer?

OBLIQUUS ships an update every 17 months, and altimer daily. Most recently, OBLIQUUS was updated on October 9, 2026 and altimer on September 30, 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.*