# DoCube vs AetherLink

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

Both are free to download. DoCube sells 1 one-off in-app purchase and AetherLink sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

DoCube ships an update every 3 weeks, AetherLink every 2 weeks. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | DoCube | AetherLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (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 | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [巍 赵](https://appshunter.io/developer/1686869575) | [Sui Fai Law](https://appshunter.io/developer/1889201616) |

## What reviewers say

### DoCube

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

This app transforms reading into knowledge retention with features like multi-tab browsing, precise document navigation, and versatile annotation tools. It supports various formats and converts highlights into flashcards for effective memorization and review.

**Highlights:** Multi-tab reading for multiple documents, Precise document positioning and history navigation, Support for PDF, EPUB, Markdown, and web pages, Six annotation tools including highlights and notes, Cross-document linking for knowledge networks, Automatic flashcard creation from highlights, AI-enhanced card generation

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full-platform Professional Edition | $34.99 | one-time |


### AetherLink

[App page](https://appshunter.io/ios/app/aetherlink/id6761743876)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AetherLink Pro | $4.99 | per month |


## Frequently asked questions

### Is DoCube free?

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

### Is AetherLink free?

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

### Do DoCube or AetherLink have ads?

AetherLink shows ads; DoCube does not.

### Which is updated more often, DoCube or AetherLink?

DoCube ships an update every 3 weeks, and AetherLink every 2 weeks. Most recently, DoCube was updated on October 6, 2026 and AetherLink on September 28, 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.*