# Pro vs Book'u Timer

The clearest difference is update cadence: Book'u Timer at every 2 months against Pro's every 17 months. Book'u Timer also leads on device support (3 vs 1). Pro's advantage is iOS requirement (12.0 vs 15.0). 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.

Pro ships an update every 17 months, Book'u Timer every 2 months. The most recent releases landed on September 28, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Pro | Book'u Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 months** |
| Size | 5 MB | 51 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Auto Cleaning Service - Pro-Wash EBVBA](https://appshunter.io/developer/1360303756) | [Smalltalk bvba](https://appshunter.io/developer/1367949944) |

## What reviewers say

### Pro

[App page](https://appshunter.io/ios/app/pro-dash/id1360303757)

**Features:** macOS Compatibility

**In-app purchases:** none


### Book'u Timer

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Pro free?

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

### Is Book'u Timer free?

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

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

Neither Pro nor Book'u Timer shows ads.

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

Pro ships an update every 17 months, and Book'u Timer every 2 months. Most recently, Pro was updated on September 28, 2026 and Book'u Timer on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*