# Interval vs Workout Sets & Rest Timer

The clearest difference is in-app purchases: Workout Sets & Rest Timer at none against Interval's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Interval sells 1 one-off in-app purchase. Workout Sets & Rest Timer asks for nothing beyond the download.

## The numbers

| Metric | Interval | Workout Sets & Rest Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Size | 38 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [OLEG KLIMAKOV](https://appshunter.io/developer/1702248098) | [Matthew Robert Zajac](https://appshunter.io/developer/1686842961) |

## What reviewers say

### Interval

[App page](https://appshunter.io/ios/app/interval-hiit-and-tabata-timer/id6780563425)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Pro | $6.99 | one-time |


### Workout Sets & Rest Timer

[App page](https://appshunter.io/ios/app/workout-sets-and-rest-timer/id6814288170)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Interval free?

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

### Is Workout Sets & Rest Timer free?

Workout Sets & Rest Timer is free to download, with no in-app purchases.

### Do Interval or Workout Sets & Rest Timer have ads?

Neither Interval nor Workout Sets & Rest Timer shows ads.

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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.*