# Altimeter AURA vs Set

The clearest difference is update cadence: Set at weekly against Altimeter AURA's every 4 months. Altimeter AURA's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18). On price, ads and in-app purchases there is nothing between them.

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

Altimeter AURA ships an update every 4 months, Set weekly. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Altimeter AURA | Set |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 41 MB | 5 MB |
| Requires iOS | **12.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandr Karpukov](https://appshunter.io/developer/1750084807) | [Vadim Smirnov](https://appshunter.io/developer/1175752449) |

## What reviewers say

### Altimeter AURA

[App page](https://appshunter.io/ios/app/altimeter-aura/id6503717677)

**Features:** macOS Compatibility

**In-app purchases:** none


### Set

[App page](https://appshunter.io/ios/app/set-ka/id6784758693)

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

**In-app purchases:** none


## Frequently asked questions

### Is Altimeter AURA free?

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

### Is Set free?

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

### Do Altimeter AURA or Set have ads?

Neither Altimeter AURA nor Set shows ads.

### Which is updated more often, Altimeter AURA or Set?

Altimeter AURA ships an update every 4 months, and Set weekly. Most recently, Altimeter AURA was updated on November 8, 2026 and Set on November 10, 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.*