# Circuit vs ohMyTss

The clearest difference is price: ohMyTss at Free against Circuit's $2.99. Circuit's advantage is chart position (#197 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

ohMyTss is free to download; Circuit costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 9 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Circuit | ohMyTss |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/circuit-hiit-timer/id1636796128/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | Every 9 days |
| Monetization | Paid | — |
| Best chart rank | **#197** | — |
| Size | 4 MB | 6 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Arjun Mahanti](https://appshunter.io/developer/1028057606) | [Mingjun Liu](https://appshunter.io/developer/1852925531) |

## What reviewers say

### Circuit

[App page](https://appshunter.io/ios/app/circuit-hiit-timer/id1636796128)

**Currently charting:** #197 Top Paid · Health & Fitness (US App Store)

This interval timer app simplifies workout tracking with customizable circuits and large, easy-to-read timers. Save favorite routines for quick access and personalize the app's appearance and sounds to enhance your training experience.

**Highlights:** Save and repeat favorite circuits, Large, glanceable timers, Customizable appearance, Custom sound alerts, Simple and beautiful interface

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

**In-app purchases:** none


### ohMyTss

[App page](https://appshunter.io/ios/app/ohmytss/id6755509363)

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

**In-app purchases:** none


## Frequently asked questions

### Is Circuit free?

Circuit costs $2.99, with no in-app purchases.

### Is ohMyTss free?

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

### Do Circuit or ohMyTss have ads?

Neither Circuit nor ohMyTss shows ads.

### Which is updated more often, Circuit or ohMyTss?

Circuit ships an update every 9 days, and ohMyTss every 9 days. Most recently, Circuit was updated on October 30, 2026 and ohMyTss on October 30, 2026.

---

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