# iRead臺北市立圖書館 vs 知英雲

The clearest difference is review sentiment: 知英雲 at 67% against iRead臺北市立圖書館's 34%. iRead臺北市立圖書館's advantage is update cadence (fortnightly vs every 9 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iRead臺北市立圖書館 ships an update fortnightly, 知英雲 every 9 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iRead臺北市立圖書館 | 知英雲 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (17 ratings)](https://appshunter.io/ios/app/iread/id730787415/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 34.4% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 9 months |
| Monetization | Ad-supported | — |
| Size | 97 MB | 18 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [臺北市政府](https://appshunter.io/developer/376788741) | [Soyong Corporation](https://appshunter.io/developer/339142397) |

## What reviewers say

### iRead臺北市立圖書館

[App page](https://appshunter.io/ios/app/iread/id730787415)

Discover new and popular books from the Taipei Public Library's collection. Manage multiple library cards, view borrowing history, and receive timely notifications. Quickly search the catalog, scan ISBNs, and borrow books directly from your device.

**Highlights:** Book discovery and recommendations, Multi-card management, Borrowing and reservation tracking, Real-time push notifications, Advanced catalog search, ISBN barcode scanning, Mobile book borrowing

**In-app purchases:** none


### 知英雲

[App page](https://appshunter.io/ios/app/id1601939874)

**In-app purchases:** none


## Frequently asked questions

### Is iRead臺北市立圖書館 free?

iRead臺北市立圖書館 is free to download, with no in-app purchases.

### Is 知英雲 free?

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

### Do iRead臺北市立圖書館 or 知英雲 have ads?

Neither iRead臺北市立圖書館 nor 知英雲 shows ads.

### Which is updated more often, iRead臺北市立圖書館 or 知英雲?

iRead臺北市立圖書館 ships an update fortnightly, and 知英雲 every 9 months. Most recently, iRead臺北市立圖書館 was updated on November 1, 2026 and 知英雲 on October 24, 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.*