# 臺灣科技大學圖書館 vs Bookshelf Diary

The clearest difference is in-app purchases: 臺灣科技大學圖書館 at none against Bookshelf Diary's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bookshelf Diary sells 3 in-app purchases, starting at $2.99 per month. 臺灣科技大學圖書館 asks for nothing beyond the download.

臺灣科技大學圖書館 ships an update fortnightly, Bookshelf Diary every 9 days. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 臺灣科技大學圖書館 | Bookshelf Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bookshelf-diary/id6758018882/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | — | Free |
| Size | 58 MB | 135 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chih Yi Lin](https://appshunter.io/developer/1657366310) | [WANG MEI TING](https://appshunter.io/developer/1870321612) |

## What reviewers say

### 臺灣科技大學圖書館

[App page](https://appshunter.io/ios/app/id6444852934)

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

**In-app purchases:** none


### Bookshelf Diary

[App page](https://appshunter.io/ios/app/bookshelf-diary/id6758018882)

Organize your book collection with ease using barcode scanning, batch entry for series, and progress tracking. Manage wishlists, customize shelf arrangements, and back up your data locally or via the cloud. Supports offline use and offers a dark mode.

**Highlights:** ISBN barcode scanning, Batch entry for series, Track owned and missing books, Wishlist management, Customizable shelf sorting, Excel export/import, Cloud backup, Offline functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription | $2.99 | per month |
| Pro 訂閱版 | $29.99 | per year |
| Plus 永久版 | $7.99 | one-time |


## Frequently asked questions

### Is 臺灣科技大學圖書館 free?

臺灣科技大學圖書館 is free to download, with no in-app purchases.

### Is Bookshelf Diary free?

Bookshelf Diary is free to download, with in-app purchases available.

### Do 臺灣科技大學圖書館 or Bookshelf Diary have ads?

Neither 臺灣科技大學圖書館 nor Bookshelf Diary shows ads.

### Which is updated more often, 臺灣科技大學圖書館 or Bookshelf Diary?

臺灣科技大學圖書館 ships an update fortnightly, and Bookshelf Diary every 9 days. Most recently, 臺灣科技大學圖書館 was updated on November 3, 2026 and Bookshelf Diary on November 1, 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.*