# Celer vs Speed Reader

The clearest difference is review sentiment: Celer at 57% against Speed Reader's 0%. Speed Reader's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Celer sells 4 in-app purchases, starting at $7.99 per month and Speed Reader sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Celer ships an update every 10 days, Speed Reader weekly. The most recent releases landed on September 21, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Celer | Speed Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (21 ratings)](https://appshunter.io/ios/app/celer-adhd-and-focus-reader/id1641298256/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | **57.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Freemium | Freemium |
| Size | 62 MB | 100 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Craft MB](https://appshunter.io/developer/1299128266) | [4vor4 UG](https://appshunter.io/developer/1546718268) |

## What reviewers say

### Celer

[App page](https://appshunter.io/ios/app/celer-adhd-and-focus-reader/id1641298256)

Enhance your reading speed, focus, and comprehension with a scientifically-backed method. This app offers an immersive environment and assistive technology to help you absorb information faster and retain it better. It's an essential tool for students, professionals, and individuals with neurodivergent reading needs.

**Highlights:** Read 2-3x faster, Sharpen focus with immersive environment, Boost memory and retention, Assistive tool for ADHD & Dyslexia, Import EPUB, PDF, mobi, rtf, txt, Read articles and web content, Customizable themes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium month | $7.99 | per month |
| Premium quarter | $17.99 | per 3 months |
| Premium Year | $34.99 | per year |
| Premium Year Plan | $79.99 | per year |


### Speed Reader

[App page](https://appshunter.io/ios/app/speed-reader-zipweasel/id6755655012)

Boost your reading speed and comprehension with scientifically proven techniques. This app offers multiple reading modes, supports various document formats including PDFs and ebooks, and uses AI for instant summaries. Customize your experience for optimal visual comfort and track your progress.

**Highlights:** Multiple speed reading modes (Focus, RSVP, Anchor, Highlight, Chunking), Universal document support (PDF, EPUB, DOCX, PPTX, Web Articles), Built-in OCR for image and scan conversion, AI-powered instant summaries, Customizable visual comfort (Dark Mode, OpenDyslexic font), Adjustable WPM settings, Progress tracking and achievements

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly ZipWeasel Pro Subscription | $2.99 | per 7 days |
| Monthly ZipWeasel Subscription | $5.99 | per month |
| Annual ZipWeasel Pro Subscription | $29.99 | per year |
| Lifetime ZipWeasel Pro Subscription | $59.99 | one-time |


## Frequently asked questions

### Is Celer free?

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

### Is Speed Reader free?

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

### Do Celer or Speed Reader have ads?

Neither Celer nor Speed Reader shows ads.

### Which is updated more often, Celer or Speed Reader?

Celer ships an update every 10 days, and Speed Reader weekly. Most recently, Celer was updated on September 21, 2026 and Speed Reader on September 7, 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.*