# Interval Timer vs OneMotion

The clearest difference is in-app purchases: OneMotion at none against Interval Timer's 3. OneMotion also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). Interval Timer's advantage is update cadence (monthly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $3.99 per month. OneMotion asks for nothing beyond the download.

Interval Timer ships an update monthly, OneMotion every 3 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Interval Timer | OneMotion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 3 months |
| Size | 13 MB | 50 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Andrei Dziahel](https://appshunter.io/developer/1822996017) | [Sergio Andres Soto Arroyave](https://appshunter.io/developer/1705489729) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-workout-hiit/id6756293115)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer PRO | $3.99 | per month |
| Interval Tabata Timer | $3.99 | per 7 days |
| Interval Timer PRO | $24.99 | one-time |


### OneMotion

[App page](https://appshunter.io/ios/app/onemotion/id6756827625)

**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 OneMotion free?

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

### Do Interval Timer or OneMotion have ads?

Interval Timer shows ads; OneMotion does not.

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

Interval Timer ships an update monthly, and OneMotion every 3 months. Most recently, Interval Timer was updated on October 3, 2026 and OneMotion on October 2, 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.*