# Simple Timer vs Interval Timer ~ HIIT & Tabata

The clearest difference is in-app purchases: Interval Timer ~ HIIT & Tabata at none against Simple Timer's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Simple Timer sells 1 one-off in-app purchase. Interval Timer ~ HIIT & Tabata asks for nothing beyond the download.

Simple Timer ships an update every 4 days, Interval Timer ~ HIIT & Tabata every 2 days. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Simple Timer | Interval Timer ~ HIIT & Tabata |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 51 MB | 9 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Takehiro Asano](https://appshunter.io/developer/1879775755) | [manabu ueda](https://appshunter.io/developer/1606163236) |

## What reviewers say

### Simple Timer

[App page](https://appshunter.io/ios/app/simple-timer-interval-timer/id6759607571)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Timer Pro | $4.99 | one-time |


### Interval Timer ~ HIIT & Tabata

[App page](https://appshunter.io/ios/app/interval-timer-hiit-and-tabata/id6762538816)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Simple Timer free?

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

### Is Interval Timer ~ HIIT & Tabata free?

Interval Timer ~ HIIT & Tabata is free to download, with no in-app purchases.

### Do Simple Timer or Interval Timer ~ HIIT & Tabata have ads?

Both Simple Timer and Interval Timer ~ HIIT & Tabata show ads.

### Which is updated more often, Simple Timer or Interval Timer ~ HIIT & Tabata?

Simple Timer ships an update every 4 days, and Interval Timer ~ HIIT & Tabata every 2 days. Most recently, Simple Timer was updated on September 20, 2026 and Interval Timer ~ HIIT & Tabata on September 10, 2026.

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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.*