# Book'u Timer vs KeyHub

The clearest difference is update cadence: KeyHub at weekly against Book'u Timer's every 2 months. KeyHub also leads on iOS requirement (12.1 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Book'u Timer ships an update every 2 months, KeyHub weekly. The most recent releases landed on September 17, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Book'u Timer | KeyHub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 51 MB | 17 MB |
| Requires iOS | 15.0 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smalltalk bvba](https://appshunter.io/developer/1367949944) | [Gversion Ltd](https://appshunter.io/developer/1095300042) |

## What reviewers say

### Book'u Timer

[App page](https://appshunter.io/ios/app/booku-timer/id1457036284)

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

**In-app purchases:** none


### KeyHub

[App page](https://appshunter.io/ios/app/keyhub/id1573928964)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Book'u Timer free?

Book'u Timer is free to download, with no in-app purchases.

### Is KeyHub free?

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

### Do Book'u Timer or KeyHub have ads?

Neither Book'u Timer nor KeyHub shows ads.

### Which is updated more often, Book'u Timer or KeyHub?

Book'u Timer ships an update every 2 months, and KeyHub weekly. Most recently, Book'u Timer was updated on September 17, 2026 and KeyHub on September 25, 2026.

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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.*