# Hiit Timer & Tabata stopwatch vs 22Bio

The clearest difference is in-app purchases: 22Bio at none against Hiit Timer & Tabata stopwatch's 1. Hiit Timer & Tabata stopwatch's advantage is ads (none vs shown) and iOS requirement (16.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Hiit Timer & Tabata stopwatch sells 1 in-app purchase, starting at $29.99 per year. 22Bio asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hiit Timer & Tabata stopwatch | 22Bio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Size | 18 MB | 37 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Alcaeus Development AB](https://appshunter.io/developer/1638202818) | [Mosaic-bio, Ltd.](https://appshunter.io/developer/1818601785) |

## What reviewers say

### Hiit Timer & Tabata stopwatch

[App page](https://appshunter.io/ios/app/hiit-timer-and-tabata-stopwatch/id6547849440)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Yearly Subscription | $29.99 | per year |


### 22Bio

[App page](https://appshunter.io/ios/app/22bio/id6746808216)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hiit Timer & Tabata stopwatch free?

Hiit Timer & Tabata stopwatch is free to download, with in-app purchases available.

### Is 22Bio free?

22Bio is free to download, with no in-app purchases.

### Do Hiit Timer & Tabata stopwatch or 22Bio have ads?

22Bio shows ads; Hiit Timer & Tabata stopwatch does not.

### Which is updated more often, Hiit Timer & Tabata stopwatch or 22Bio?

Hiit Timer & Tabata stopwatch ships an update monthly, and 22Bio monthly. Most recently, Hiit Timer & Tabata stopwatch was updated on October 24, 2026 and 22Bio on October 25, 2026.

---

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