# Timebound EPUB Reader vs 書房

Timebound EPUB Reader and 書房 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.

Timebound EPUB Reader ships an update every 5 days, 書房 every 3 days. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Timebound EPUB Reader | 書房 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 25 MB | 8 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Cow Cow Technologies LLC](https://appshunter.io/developer/924502488) | [ZEYAN LIN](https://appshunter.io/developer/6785373009) |

## What reviewers say

### Timebound EPUB Reader

[App page](https://appshunter.io/ios/app/timebound-epub-reader/id6778347293)

**In-app purchases:** none


### 書房

[App page](https://appshunter.io/ios/app/id6798525550)

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

**In-app purchases:** none


## Frequently asked questions

### Is Timebound EPUB Reader free?

Timebound EPUB Reader is free to download, with no in-app purchases.

### Is 書房 free?

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

### Do Timebound EPUB Reader or 書房 have ads?

Neither Timebound EPUB Reader nor 書房 shows ads.

### Which is updated more often, Timebound EPUB Reader or 書房?

Timebound EPUB Reader ships an update every 5 days, and 書房 every 3 days. Most recently, Timebound EPUB Reader was updated on September 30, 2026 and 書房 on September 27, 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.*