# Book'u Timer vs ochama PDA

The clearest difference is iOS requirement: ochama PDA at 12.0 against Book'u Timer's 15.0. On price, update cadence, 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.

Book'u Timer ships an update every 2 months, ochama PDA monthly. The most recent releases landed on October 4, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Book'u Timer | ochama PDA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 51 MB | 60 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smalltalk bvba](https://appshunter.io/developer/1367949944) | [JINGDONG RETAIL-NETHERLANDS B.V.](https://appshunter.io/developer/1576293274) |

## 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


### ochama PDA

[App page](https://appshunter.io/ios/app/ochama-pda/id1672174066)

**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 ochama PDA free?

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

### Do Book'u Timer or ochama PDA have ads?

Neither Book'u Timer nor ochama PDA shows ads.

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

Book'u Timer ships an update every 2 months, and ochama PDA monthly. Most recently, Book'u Timer was updated on October 4, 2026 and ochama PDA on September 29, 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.*