# Interval Timer vs SimpleTimerOk

The clearest difference is in-app purchases: SimpleTimerOk at none against Interval Timer's 2. SimpleTimerOk also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Interval Timer sells 2 in-app purchases, starting at $2.99 per month. SimpleTimerOk asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Interval Timer | SimpleTimerOk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (142 ratings)](https://appshunter.io/ios/app/interval-timer-multiple-hiit/id1598597704/reviews)** | — |
| Number of ratings | **142** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 30 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Duleep Madusanka](https://appshunter.io/developer/1536533862) | [Sergei Klishin](https://appshunter.io/developer/1618413234) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-multiple-hiit/id1598597704)

Create personalized workout timers for HIIT, Tabata, and circuit training. Customize intervals, choose voice or beep cues, and run timers in the background with music. Includes a stopwatch and countdown timer for versatile fitness tracking.

**Highlights:** Custom interval timers, Voice or beep cues, Background operation, Customizable countdown, Stopwatch and countdown timer, Dark and light mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer (Monthly) | $2.99 | per month |
| Interval Timer (Lifetime) | $14.99 | one-time |


### SimpleTimerOk

[App page](https://appshunter.io/ios/app/simpletimerok/id6445863709)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is SimpleTimerOk free?

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

### Do Interval Timer or SimpleTimerOk have ads?

Neither Interval Timer nor SimpleTimerOk shows ads.

### Which is updated more often, Interval Timer or SimpleTimerOk?

Interval Timer ships an update every 3 weeks, and SimpleTimerOk every 3 weeks. Most recently, Interval Timer was updated on October 3, 2026 and SimpleTimerOk on October 6, 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.*