# Circuit Clock vs TABATA Timer Interval Timer

The clearest difference is in-app purchases: Circuit Clock at none against TABATA Timer Interval Timer's 1. Circuit Clock also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. TABATA Timer Interval Timer sells 1 in-app purchase, starting at $0.99 per 7 days. Circuit Clock asks for nothing beyond the download.

## The numbers

| Metric | Circuit Clock | TABATA Timer Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | — |
| Size | 5 MB | 5 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Ludin](https://appshunter.io/developer/699789331) | [Appwallet Technologies Private Limited](https://appshunter.io/developer/1581780855) |

## What reviewers say

### Circuit Clock

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

**Features:** macOS Compatibility

**In-app purchases:** none


### TABATA Timer Interval Timer

[App page](https://appshunter.io/ios/app/tabata-timer-interval-timer/id6739485413)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe | $0.99 | per 7 days |


## Frequently asked questions

### Is Circuit Clock free?

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

### Is TABATA Timer Interval Timer free?

TABATA Timer Interval Timer is free to download, with in-app purchases available.

### Do Circuit Clock or TABATA Timer Interval Timer have ads?

TABATA Timer Interval Timer shows ads; Circuit Clock 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.*