# 小读书 vs ReadingUp

The clearest difference is price: 小读书 at Free against ReadingUp's $0.99. 小读书 also leads on in-app purchases (none vs 3) and review sentiment (100% vs 83%). ReadingUp's advantage is update cadence (every 2 days vs every 8 days). On ads, device support and iOS requirement there is nothing between them.

小读书 is free to download; ReadingUp costs $0.99 up front. ReadingUp sells 3 in-app purchases, starting at $19.99 per month. 小读书 asks for nothing beyond the download.

小读书 ships an update every 8 days, ReadingUp every 2 days. The most recent releases landed on September 7, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 小读书 | ReadingUp |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/3ai/id6743986609/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 69 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [zhijun li](https://appshunter.io/developer/1047598269) | [乐祥 胡](https://appshunter.io/developer/1572365721) |

## What reviewers say

### 小读书

[App page](https://appshunter.io/ios/app/3ai/id6743986609)

This AI-powered reading companion offers intelligent book summaries, AI-assisted note refinement, personalized reading lists, and generated reading guides. It helps users efficiently process book content, organize notes, and navigate their reading journey with ease.

**Highlights:** AI-generated book summaries, AI-assisted note refinement, Personalized reading list creation, Reading guide generation, AI book discussions, Curated book selection

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

**In-app purchases:** none


### ReadingUp

[App page](https://appshunter.io/ios/app/readingup/id6757276895)

This app offers a distraction-free e-book reading experience with support for multiple file formats. It features iCloud sync for cross-device progress, customizable reading settings, and tools for organizing notes and highlights. Enjoy a pure reading journey without ads.

**Highlights:** Supports EPUB, TXT, MOBI, WORD, PDF, iCloud sync for cross-device reading, Smart highlighting and note organization, Customizable fonts, backgrounds, and page-turning, Immersive mode for focused reading, Export notes as PDF, TXT, Markdown

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadingUp  Premium - monthly | $19.99 | per month |
| ReadingUp Premium - yearly | $49.99 | per year |
| ReadingUp Premium- lifetime | $89.99 | one-time |


## Frequently asked questions

### Is 小读书 free?

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

### Is ReadingUp free?

ReadingUp costs $0.99, and also offers in-app purchases.

### Do 小读书 or ReadingUp have ads?

Neither 小读书 nor ReadingUp shows ads.

### Which is updated more often, 小读书 or ReadingUp?

小读书 ships an update every 8 days, and ReadingUp every 2 days. Most recently, 小读书 was updated on September 7, 2026 and ReadingUp on September 12, 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.*