# Intervals One vs Rest

The clearest difference is update cadence: Rest at every 2 weeks against Intervals One's every 4 months. Rest also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Intervals One sells 3 in-app purchases, starting at $1.99 per month and Rest sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

Intervals One ships an update every 4 months, Rest every 2 weeks. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Intervals One | Rest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 64 MB | 47 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ninety Six Software Ltd](https://appshunter.io/developer/1728731100) | [Veil-it](https://appshunter.io/developer/1761997602) |

## What reviewers say

### Intervals One

[App page](https://appshunter.io/ios/app/intervals-one-interval-timer/id6741439106)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Annual | $14.99 | per year |
| Pro Lifetime | $19.99 | one-time |


### Rest

[App page](https://appshunter.io/ios/app/rest-gym-timer-and-set-log/id6759504718)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Annual | $14.99 | per year |
| Rest Pro | $19.99 | one-time |


## Frequently asked questions

### Is Intervals One free?

Intervals One is free to download, with in-app purchases available.

### Is Rest free?

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

### Do Intervals One or Rest have ads?

Neither Intervals One nor Rest shows ads.

### Which is updated more often, Intervals One or Rest?

Intervals One ships an update every 4 months, and Rest every 2 weeks. Most recently, Intervals One was updated on October 9, 2026 and Rest on October 4, 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.*