# DoCube vs 暖暖阅读器

The clearest difference is in-app purchases: 暖暖阅读器 at none against DoCube's 1. 暖暖阅读器 also leads on update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DoCube sells 1 one-off in-app purchase. 暖暖阅读器 asks for nothing beyond the download.

DoCube ships an update every 3 weeks, 暖暖阅读器 every 9 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DoCube | 暖暖阅读器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/docube-pdf-reader-and-notes/id6470183496/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 102 MB | 8 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Hangzhou Wenxu Interactive Technology Co., Ltd](https://appshunter.io/developer/1686869575) | [瑞超 贺](https://appshunter.io/developer/1882916319) |

## What reviewers say

### DoCube

[App page](https://appshunter.io/ios/app/docube-pdf-reader-and-notes/id6470183496)

This app serves as a comprehensive reader and knowledge management tool, allowing users to consolidate and interact with various document formats, videos, and web content. It facilitates deep reading through annotation, linking, translation, and a powerful search function to transform raw information into retrievable knowledge.

**Highlights:** Multi-format reading (PDF, EPUB, video, web, Markdown), In-context annotation and note-taking, Cross-resource linking, Searchable content and annotations, Subtitle translation and bilingual display for videos, Review card system for knowledge retention, Export and iCloud sync

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full-platform Professional Edition | $7.99 | one-time |


### 暖暖阅读器

[App page](https://appshunter.io/ios/app/id6790091625)

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

**In-app purchases:** none


## Frequently asked questions

### Is DoCube free?

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

### Is 暖暖阅读器 free?

暖暖阅读器 is free to download, with no in-app purchases.

### Do DoCube or 暖暖阅读器 have ads?

Neither DoCube nor 暖暖阅读器 shows ads.

### Which is updated more often, DoCube or 暖暖阅读器?

DoCube ships an update every 3 weeks, and 暖暖阅读器 every 9 days. Most recently, DoCube was updated on November 4, 2026 and 暖暖阅读器 on October 31, 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.*