# Tabata ChronoTimer for HIIT vs Auer Circle

The clearest difference is in-app purchases: Auer Circle at none against Tabata ChronoTimer for HIIT's 1. Auer Circle also leads on ads (none vs shown). Tabata ChronoTimer for HIIT's advantage is iOS requirement (16.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Tabata ChronoTimer for HIIT sells 1 one-off in-app purchase. Auer Circle asks for nothing beyond the download.

## The numbers

| Metric | Tabata ChronoTimer for HIIT | Auer Circle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 5 MB | 0 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Arthur Roussel](https://appshunter.io/developer/434325041) | [Uri Fridman](https://appshunter.io/developer/1612958936) |

## What reviewers say

### Tabata ChronoTimer for HIIT

[App page](https://appshunter.io/ios/app/tabata-chronotimer-for-hiit/id1661997039)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Version Premium | $2.99 | one-time |


### Auer Circle

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

**In-app purchases:** none


## Frequently asked questions

### Is Tabata ChronoTimer for HIIT free?

Tabata ChronoTimer for HIIT is free to download, with in-app purchases available.

### Is Auer Circle free?

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

### Do Tabata ChronoTimer for HIIT or Auer Circle have ads?

Tabata ChronoTimer for HIIT shows ads; Auer Circle does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*