# Book'u Timer vs Growzer

Book'u Timer and Growzer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Growzer every 6 weeks. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Book'u Timer | Growzer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 51 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Smalltalk bvba](https://appshunter.io/developer/1367949944) | [Growzer NV](https://appshunter.io/developer/1589196996) |

## 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


### Growzer

[App page](https://appshunter.io/ios/app/growzer/id1589201022)

**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 Growzer free?

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

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

Neither Book'u Timer nor Growzer shows ads.

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

Book'u Timer ships an update every 2 months, and Growzer every 6 weeks. Most recently, Book'u Timer was updated on September 17, 2026 and Growzer on September 10, 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.*