# Strobe vs Lumen Reader

The clearest difference is update cadence: Lumen Reader at every 4 days against Strobe's every 2 weeks. Strobe's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Strobe ships an update every 2 weeks, Lumen Reader every 4 days. The most recent releases landed on September 11, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Strobe | Lumen Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/strobe-speed-reader/id6759187873/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 13 MB | 98 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jaafar Abdeen](https://appshunter.io/developer/1559039483) | [SAMANTH GURRAM](https://appshunter.io/developer/1895598745) |

## What reviewers say

### Strobe

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

This app enhances reading speed and focus with a clean interface for PDFs and EPUBs. It offers customizable reading speeds, font choices, and smooth navigation to reduce eye fatigue and improve comprehension.

**Highlights:** RSVP reading interface, PDF and EPUB import, Adjustable reading speed (100-1000 WPM), Customizable text size and fonts, Hold-to-read interaction, Automatic progress saving, Chapter navigation

**Features:** Vision Pro support

**In-app purchases:** none


### Lumen Reader

[App page](https://appshunter.io/ios/app/lumen-reader-audiobooks/id6764013045)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Strobe free?

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

### Is Lumen Reader free?

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

### Do Strobe or Lumen Reader have ads?

Neither Strobe nor Lumen Reader shows ads.

### Which is updated more often, Strobe or Lumen Reader?

Strobe ships an update every 2 weeks, and Lumen Reader every 4 days. Most recently, Strobe was updated on September 11, 2026 and Lumen Reader on September 8, 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.*