# Interval Timer (Simple) vs 75 Days Challenge Club

The clearest difference is in-app purchases: 75 Days Challenge Club at none against Interval Timer (Simple)'s 1. Interval Timer (Simple)'s advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Interval Timer (Simple) sells 1 one-off in-app purchase. 75 Days Challenge Club asks for nothing beyond the download.

## The numbers

| Metric | Interval Timer (Simple) | 75 Days Challenge Club |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/75-days-challenge-club/id6781752689/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 28 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Domett Xing](https://appshunter.io/developer/1876098022) | [all in web agency](https://appshunter.io/developer/1827498145) |

## What reviewers say

### Interval Timer (Simple)

[App page](https://appshunter.io/ios/app/interval-timer-simple/id6758968811)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Purchase | $6.99 | one-time |


### 75 Days Challenge Club

[App page](https://appshunter.io/ios/app/75-days-challenge-club/id6781752689)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer (Simple) free?

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

### Is 75 Days Challenge Club free?

75 Days Challenge Club is free to download, with no in-app purchases.

### Do Interval Timer (Simple) or 75 Days Challenge Club have ads?

Neither Interval Timer (Simple) nor 75 Days Challenge Club 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.*