# ReadFlow vs Dark Reader

The clearest difference is review sentiment: ReadFlow at 100% against Dark Reader's 30%. ReadFlow also leads on update cadence (every 4 days vs every 2 months) and rating (4.8 vs 4.4). Dark Reader's advantage is iOS requirement (13.0 vs 16.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. ReadFlow sells 3 in-app purchases, starting at $0.99 per month and Dark Reader sells 2 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

ReadFlow holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 5 and 7 respectively. Written reviews point the same way: 100% of ReadFlow's written reviews are positive against 30% of Dark Reader's.

ReadFlow ships an update every 4 days, Dark Reader every 2 months. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ReadFlow | Dark Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/readflow/id6447425350/reviews)** | [4.4 (7 ratings)](https://appshunter.io/ios/app/dark-reader-pdf-viewer/id6736392716/reviews) |
| Number of ratings | 5 | **7** |
| Positive reviews | **100.0% of reviews** | 30.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 3 MB | 67 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [实 许](https://appshunter.io/developer/681075194) | [Utsav Mangla](https://appshunter.io/developer/1729995457) |

## What reviewers say

### ReadFlow

[App page](https://appshunter.io/ios/app/readflow/id6447425350)

This app transforms PDF documents into a comfortable reading experience on small screens. It offers text reflow, customization options for fonts and themes, and iCloud sync for seamless access across devices. Enjoy reading PDFs as easily as other ebook formats.

**Highlights:** PDF text reflow for mobile, Customizable fonts and themes, Import custom font files, iCloud sync, PDF file cropping, Metadata editing, Generate and share reflowed text

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadFlow Pro 1x | $0.99 | per month |
| ReadFlow Pro 12x | $9.99 | per year |
| ReadFlow Pro ∞ | $19.99 | one-time |


### Dark Reader

[App page](https://appshunter.io/ios/app/dark-reader-pdf-viewer/id6736392716)

Easily read PDF documents in a comfortable dark mode to reduce eye strain and save battery. This app automatically converts any PDF into a dark theme for a better reading experience on your devices.

**Highlights:** PDF dark mode conversion, Automatic dark mode application, All-in-one PDF viewer, Eye comfort focus, Supports iPhone, iPad, macOS

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $4.99 | per year |
| Lifetime: Buy once Use forever | $5.99 | one-time |


## Frequently asked questions

### Is ReadFlow free?

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

### Is Dark Reader free?

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

### Which has better reviews, ReadFlow or Dark Reader?

ReadFlow is rated higher. ReadFlow averages 4.8 out of 5 from 5 ratings, while Dark Reader averages 4.4 from 7 ratings.

### Do ReadFlow or Dark Reader have ads?

Neither ReadFlow nor Dark Reader shows ads.

### Which is updated more often, ReadFlow or Dark Reader?

ReadFlow ships an update every 4 days, and Dark Reader every 2 months. Most recently, ReadFlow was updated on September 19, 2026 and Dark Reader on September 10, 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.*