# Strobe vs Chapter

The clearest difference is in-app purchases: Strobe at none against Chapter's 4. Strobe also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Chapter sells 4 in-app purchases, starting at $6.99 per month. Strobe asks for nothing beyond the download.

Strobe ships an update weekly, Chapter every 4 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Strobe | Chapter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/strobe-speed-reading/id6759187873/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free | — |
| Size | 28 MB | 41 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Jaafar Abdeen](https://appshunter.io/developer/1559039483) | [Denis Cencig](https://appshunter.io/developer/1881541572) |

## What reviewers say

### Strobe

[App page](https://appshunter.io/ios/app/strobe-speed-reading/id6759187873)

This app helps you read faster by displaying words one at a time in a fixed position. It supports various document formats and offers an optional natural voice narration. Customize your reading experience with adjustable speeds and timing features.

**Highlights:** Rapid Serial Visual Presentation (RSVP), Adjustable reading speed (100-1000 WPM), Natural voice read-aloud narration, Support for PDF, EPUB, TXT, and Markdown, iCloud Sync across devices, Customizable timing and display options

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

**In-app purchases:** none


### Chapter

[App page](https://appshunter.io/ios/app/chapter-stories-made-for-you/id6806840507)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $6.99 | per month |
| Plus | $11.99 | per month |
| Standard | $69.99 | per year |
| Plus | $119.99 | per year |


## Frequently asked questions

### Is Strobe free?

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

### Is Chapter free?

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

### Do Strobe or Chapter have ads?

Neither Strobe nor Chapter shows ads.

### Which is updated more often, Strobe or Chapter?

Strobe ships an update weekly, and Chapter every 4 days. Most recently, Strobe was updated on November 9, 2026 and Chapter on November 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.*