# Auer Circle vs Tabata Timer

The clearest difference is ads: Auer Circle at none against Tabata Timer's shown. Tabata Timer's advantage is iOS requirement (15.0 vs 18.0). On price, 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.

## The numbers

| Metric | Auer Circle | Tabata Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Size | 0 MB | 27 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Uri Fridman](https://appshunter.io/developer/1612958936) | [Sangwon Seo](https://appshunter.io/developer/1816508321) |

## What reviewers say

### Auer Circle

[App page](https://appshunter.io/ios/app/auer-circle/id6740163992)

**In-app purchases:** none


### Tabata Timer

[App page](https://appshunter.io/ios/app/tabata-timer-hiit-workout/id6755084571)

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

**In-app purchases:** none


## Frequently asked questions

### Is Auer Circle free?

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

### Is Tabata Timer free?

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

### Do Auer Circle or Tabata Timer have ads?

Tabata Timer shows ads; Auer Circle does not.

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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.*