# 聚云CSSD vs SimplyRead

The clearest difference is in-app purchases: 聚云CSSD at none against SimplyRead's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SimplyRead sells 1 one-off in-app purchase. 聚云CSSD asks for nothing beyond the download.

聚云CSSD ships an update every 11 days, SimplyRead weekly. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 聚云CSSD | SimplyRead |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simplyread-ebook-reader/id6756316775/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | — | Freemium |
| Size | 20 MB | 145 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [聚云](https://appshunter.io/developer/1277034241) | [阳 张](https://appshunter.io/developer/1832378186) |

## What reviewers say

### 聚云CSSD

[App page](https://appshunter.io/ios/app/cssd/id1445514467)

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

**In-app purchases:** none


### SimplyRead

[App page](https://appshunter.io/ios/app/simplyread-ebook-reader/id6756316775)

This app allows you to read and listen to your own e-books in various formats. Customize typography, scroll through pages, and bookmark your progress. It also offers natural voice narration and library management features.

**Highlights:** Customizable typography and themes, Page-by-page or continuous scroll, Automatic chapter detection, Natural voice narration with highlighting, Import from Files app, clipboard, or URL, Built-in editor with Find & Replace, iCloud Drive backup and restore

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro User | $1.99 | one-time |


## Frequently asked questions

### Is 聚云CSSD free?

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

### Is SimplyRead free?

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

### Do 聚云CSSD or SimplyRead have ads?

Neither 聚云CSSD nor SimplyRead shows ads.

### Which is updated more often, 聚云CSSD or SimplyRead?

聚云CSSD ships an update every 11 days, and SimplyRead weekly. Most recently, 聚云CSSD was updated on October 26, 2026 and SimplyRead on October 30, 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.*