# 100 vs Countdown App

The clearest difference is in-app purchases: 100 at none against Countdown App's 1. 100 also leads on device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Countdown App sells 1 one-off in-app purchase. 100 asks for nothing beyond the download.

## The numbers

| Metric | 100 | Countdown App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 1 MB | 3 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kohei Kanagu](https://appshunter.io/developer/1530720615) | [Robert Maeda](https://appshunter.io/developer/1874220889) |

## What reviewers say

### 100

[App page](https://appshunter.io/ios/app/100-hour-rule/id6517349655)

**Features:** macOS Compatibility

**In-app purchases:** none


### Countdown App

[App page](https://appshunter.io/ios/app/countdown-app-widgets/id6761038505)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Premium | $3.99 | one-time |


## Frequently asked questions

### Is 100 free?

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

### Is Countdown App free?

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

### Do 100 or Countdown App have ads?

Neither 100 nor Countdown 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.*