# Circuit Clock vs Duck Tabata

The clearest difference is iOS requirement: Duck Tabata at 12.0 against Circuit Clock's 15.0. 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.

## The numbers

| Metric | Circuit Clock | Duck Tabata |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Size | 5 MB | 25 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Ludin](https://appshunter.io/developer/699789331) | [THATS A LOT OF DUCKS LLC](https://appshunter.io/developer/1569467513) |

## What reviewers say

### Circuit Clock

[App page](https://appshunter.io/ios/app/circuit-clock/id6448733183)

**Features:** macOS Compatibility

**In-app purchases:** none


### Duck Tabata

[App page](https://appshunter.io/ios/app/duck-tabata/id6478815188)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Circuit Clock free?

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

### Is Duck Tabata free?

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

### Do Circuit Clock or Duck Tabata have ads?

Neither Circuit Clock nor Duck Tabata shows ads.

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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.*