# Bio Reading vs Celer

The clearest difference is review sentiment: Celer at 57% against Bio Reading's 15%. Celer also leads on update cadence (every 10 days vs every 2 months). Bio Reading's advantage is rating (4.4 vs 4.0) and ratings volume (489 vs 21). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Bio Reading sells 5 in-app purchases, starting at $7.99 per 7 days and Celer sells 4 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Bio Reading holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Bio Reading has 489 ratings behind it against 21, so its average is the more settled of the two. Written reviews complicate that: 15% of Bio Reading's written reviews are positive against 57% of Celer's, so the app with the better star average is not the one people write more warmly about.

Bio Reading ships an update every 2 months, Celer every 10 days. Both last shipped on September 21, 2026.

## The numbers

| Metric | Bio Reading | Celer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (489 ratings)](https://appshunter.io/ios/app/bio-reading-fast-read/id1625366763/reviews)** | [4.0 (21 ratings)](https://appshunter.io/ios/app/celer-adhd-and-focus-reader/id1641298256/reviews) |
| Number of ratings | **489** | 21 |
| Positive reviews | 15.0% of reviews | **57.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Freemium | Freemium |
| Size | 49 MB | 62 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Irfan SENER](https://appshunter.io/developer/1421398842) | [Mobile Craft MB](https://appshunter.io/developer/1299128266) |

## What reviewers say

### Bio Reading

[App page](https://appshunter.io/ios/app/bio-reading-fast-read/id1625366763)

This app helps you read faster by converting text into a new format. It utilizes a "Speed Bio Reading" methodology to reduce the time spent on reading articles, books, and conversations. Unlock additional fonts and features with a premium subscription.

**Highlights:** Speed Bio Reading methodology, Text conversion for faster reading, Copy and paste text input, Premium subscription for additional fonts, ADHD reader with bold fonts

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly - Fast Read Premium | $7.99 | per 7 days |
| Weekly Premium | $8.99 | per 7 days |
| Yearly - Fast Read Premium | $49.99 | per year |
| Yearly Premium | $79.99 | per year |
| Premium Lifetime Fast Read | $99.99 | one-time |

**What reviewers like**

- 🚀 Fast read for ADHD
- 👍 Helps with concentration and focus

**What reviewers complain about**

- 💰 Expensive subscription
- 🔒 Requires subscription to use
- 🐛 Formatting issues with PDF conversion
- 🚫 Unable to try before buying
- 🤖 Suspected fake reviews

**Reported bugs**

- Restore purchase not working
- Stuck on loading when uploading content
- Inconsistent functionality

**Requested features**

- Free trial period
- More affordable pricing options


### 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 |


## Frequently asked questions

### Is Bio Reading free?

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

### Is Celer free?

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

### Which has better reviews, Bio Reading or Celer?

Bio Reading is rated higher. Bio Reading averages 4.4 out of 5 from 489 ratings, while Celer averages 4.0 from 21 ratings.

### Do Bio Reading or Celer have ads?

Neither Bio Reading nor Celer shows ads.

### Which is updated more often, Bio Reading or Celer?

Bio Reading ships an update every 2 months, and Celer every 10 days. Most recently, Bio Reading was updated on September 21, 2026 and Celer on September 21, 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.*