# PDF Reflow vs DoCube

The clearest difference is review sentiment: DoCube at 100% against PDF Reflow's 50%. DoCube also leads on rating (4.6 vs 3.8). PDF Reflow's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. PDF Reflow sells 1 one-off in-app purchase and DoCube sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DoCube holds the better App Store score, 4.6 against 3.8. Both are backed by a comparable volume of ratings — 24 and 11 respectively. Written reviews point the same way: 50% of PDF Reflow's written reviews are positive against 100% of DoCube's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 21, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | PDF Reflow | DoCube |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (24 ratings)](https://appshunter.io/ios/app/pdf-reflow/id1461144444/reviews) | **[4.6 (11 ratings)](https://appshunter.io/ios/app/docube-pdf-reader-and-notes/id6470183496/reviews)** |
| Number of ratings | **24** | 11 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 91 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [AppBlit LLC](https://appshunter.io/developer/295536769) | [巍 赵](https://appshunter.io/developer/1686869575) |

## What reviewers say

### PDF Reflow

[App page](https://appshunter.io/ios/app/pdf-reflow/id1461144444)

Read PDF and Word documents on your phone with a mobile-optimized layout. It reformats documents to fit your screen width, preserving original fonts, colors, and graphics. Features include text search, selection, and adjustable text size.

**Highlights:** Mobile-optimized PDF and Word reading, Reflows text to fit screen width, Preserves original fonts, colors, and graphics, Text search and selection, Adjustable text size up to 300%

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Reflow PRO | $7.99 | one-time |


### 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 |


## Frequently asked questions

### Is PDF Reflow free?

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

### Is DoCube free?

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

### Which has better reviews, PDF Reflow or DoCube?

DoCube is rated higher. PDF Reflow averages 3.8 out of 5 from 24 ratings, while DoCube averages 4.6 from 11 ratings.

### Do PDF Reflow or DoCube have ads?

Neither PDF Reflow nor DoCube shows ads.

### Which is updated more often, PDF Reflow or DoCube?

PDF Reflow ships an update every 3 weeks, and DoCube every 3 weeks. Most recently, PDF Reflow was updated on September 21, 2026 and DoCube on September 5, 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.*