# 100 vs Time Keeper

The clearest difference is device support: 100 at 4 against Time Keeper's 2. Time Keeper's advantage is iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 100 | Time Keeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 1 MB | 6 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch, Vision Pro** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kohei Kanagu](https://appshunter.io/developer/1530720615) | [APPSTACK LLC](https://appshunter.io/developer/1454414263) |

## What reviewers say

### 100

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Time Keeper

[App page](https://appshunter.io/ios/app/time-keeper-hours-tracker/id6738871518)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 100 free?

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

### Is Time Keeper free?

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

### Do 100 or Time Keeper have ads?

Neither 100 nor Time Keeper 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.*