# iDocSet vs 古書古讀

The clearest difference is review sentiment: 古書古讀 at 100% against iDocSet's 57%. 古書古讀 also leads on update cadence (every 3 weeks vs every 2 months). iDocSet's advantage is iOS requirement (11.2 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. iDocSet sells 1 in-app purchase, starting at $9.99 per year and 古書古讀 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

iDocSet ships an update every 2 months, 古書古讀 every 3 weeks. The most recent releases landed on September 19, 2026 and June 21, 2026 respectively.

## The numbers

| Metric | iDocSet | 古書古讀 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (9 ratings)](https://appshunter.io/ios/app/id1453279380/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Subscription | — |
| Size | 34 MB | 207 MB |
| Requires iOS | **11.2** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [建军 赵](https://appshunter.io/developer/646573154) | [东辉 李](https://appshunter.io/developer/1453279379) |

## What reviewers say

### iDocSet

[App page](https://appshunter.io/ios/app/idocset/id646573151)

Access and browse a vast library of offline documentation on your mobile device. Search across multiple docsets, bookmark important entries, and filter results for quick access to API interfaces and developer guides.

**Highlights:** Offline docset browsing, Support for Apple Developer Documentation, Over 50 docsets available (HTML, CSS, C++, Go, Rust, etc.), Hierarchical and API interface browsing, Keyword filtering, Cross-docset search, iCloud bookmark synchronization

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual membership | $9.99 | per year |


### 古書古讀

[App page](https://appshunter.io/ios/app/id1453279380)

This application offers a collection of classic Chinese books, allowing users to read and explore ancient texts in a traditional format. With features like high-definition content, full-screen magnification, and audio narration, users can immerse themselves in the rich cultural heritage of China.

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 武英殿聚珍版老子道德经 | $0.99 | one-time |
| 船山遗书之老子衍 | $0.99 | one-time |
| 明清小说畅读卡 | $0.99 | one-time |
| 菜根谭前后集和刻本 | $0.99 | one-time |
| 嘉靖三十年衡湘书院刊本传习录 | $0.99 | one-time |
| 儒家古书畅读卡 | $0.99 | one-time |
| 释家古书畅读卡 | $0.99 | one-time |
| 道家古书畅读卡 | $0.99 | one-time |
| 兵家古书畅读卡 | $0.99 | one-time |
| 中医古书畅读卡 | $0.99 | one-time |


## Frequently asked questions

### Is iDocSet free?

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

### Is 古書古讀 free?

古書古讀 is free to download, with in-app purchases available.

### Do iDocSet or 古書古讀 have ads?

Neither iDocSet nor 古書古讀 shows ads.

### Which is updated more often, iDocSet or 古書古讀?

iDocSet ships an update every 2 months, and 古書古讀 every 3 weeks. Most recently, iDocSet was updated on September 19, 2026 and 古書古讀 on June 21, 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.*