# Interval Timer & Workout Timer vs Sleep La App

The clearest difference is in-app purchases: Sleep La App at none against Interval Timer & Workout Timer's 1. Sleep La App also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Interval Timer & Workout Timer | Sleep La App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 3 MB | 34 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YINGDONG LIU](https://appshunter.io/developer/1706285656) | [昂 李](https://appshunter.io/developer/1865482897) |

## What reviewers say

### Interval Timer & Workout Timer

[App page](https://appshunter.io/ios/app/interval-timer-and-workout-timer/id6757140776)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Features | $6.99 | one-time |


### Sleep La App

[App page](https://appshunter.io/ios/app/sleep-la-app/id6757257324)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer & Workout Timer free?

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

### Is Sleep La App free?

Sleep La App is free to download, with no in-app purchases.

### Do Interval Timer & Workout Timer or Sleep La App have ads?

Neither Interval Timer & Workout Timer nor Sleep La App 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.*