# CirclesFit vs Tabata Timer

The clearest difference is ads: CirclesFit at none against Tabata Timer's shown. CirclesFit also leads on iOS requirement (13.0 vs 15.0). Tabata Timer's advantage is update cadence (weekly vs every 7 months). 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.

CirclesFit ships an update every 7 months, Tabata Timer weekly. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CirclesFit | Tabata Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Weekly** |
| Size | 2 MB | 27 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Velocidev GmbH](https://appshunter.io/developer/1130418588) | [Sangwon Seo](https://appshunter.io/developer/1816508321) |

## What reviewers say

### CirclesFit

[App page](https://appshunter.io/ios/app/circlesfit/id1638587050)

**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 CirclesFit free?

CirclesFit 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 CirclesFit or Tabata Timer have ads?

Tabata Timer shows ads; CirclesFit does not.

### Which is updated more often, CirclesFit or Tabata Timer?

CirclesFit ships an update every 7 months, and Tabata Timer weekly. Most recently, CirclesFit was updated on October 13, 2026 and Tabata Timer on October 10, 2026.

---

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