# Celer vs Bionic Reading®

The clearest difference is rating: Celer at 4.0 against Bionic Reading®'s 2.4. Celer also leads on review sentiment (57% vs 26%) and update cadence (every 10 days vs every 3 weeks). Bionic Reading®'s advantage is chart position (#203 vs unranked) and ratings volume (151 vs 21). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Celer sells 4 in-app purchases, starting at $7.99 per month and Bionic Reading® sells 4 in-app purchases, starting at $2.95 per month. Whichever you choose, the download price is not the number that matters.

Celer holds the better App Store score, 4.0 against 2.4. That said, the two scores are not equally well evidenced: Bionic Reading® has 151 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 57% of Celer's written reviews are positive against 26% of Bionic Reading®'s.

Celer ships an update every 10 days, Bionic Reading® every 3 weeks. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Celer | Bionic Reading® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (21 ratings)](https://appshunter.io/ios/app/celer-adhd-and-focus-reader/id1641298256/reviews)** | [2.4 (151 ratings)](https://appshunter.io/ios/app/bionic-reading/id1644658030/reviews) |
| Number of ratings | 21 | **151** |
| Positive reviews | **57.1% of reviews** | 26.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Freemium | Freemium |
| Best chart rank | — | **#203** |
| Size | 62 MB | 52 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Mobile Craft MB](https://appshunter.io/developer/1299128266) | [Bionic Reading AG](https://appshunter.io/developer/1659624105) |

## 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 |


### Bionic Reading®

[App page](https://appshunter.io/ios/app/bionic-reading/id1644658030)

**Currently charting:** #203 Top Free · Magazines & Newspapers (US App Store)

This app enhances reading speed and comprehension by highlighting the most concise parts of words. It offers customizable reading modes to aid users with reading difficulties and improve focus for all.

**Highlights:** Text revision for faster reading, Customizable reading modes, Save reading position across platforms, Bookmarks for favorite pages, Upload files, text, or websites for conversion, Export to EPUB, PDF, WORD, Light and Dark Mode

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bionic Reading® Premium | $2.95 | per month |
| Bionic Reading® Premium Plus | $12.99 | per month |
| Bionic Reading® Premium | $30.49 | per year |
| Bionic Reading® Premium Plus | $128.99 | per year |

**What reviewers like**

- 🚀 Faster reading
- 🔍 Helpful for ADHD and dyslexia
- 👍 Life-changing for some users

**What reviewers complain about**

- 💰 Expensive subscription model
- 🐛 Buggy and unreliable app
- 🚫 Limited functionality (no PDF support)
- 🔒 Difficult to cancel subscription

**Reported bugs**

- App crashes or freezes
- Subscription issues (unable to upgrade, cancel, or get refunds)
- Conversion errors and failed file uploads

**Requested features**

- Integrate with more platforms (Kindle, web browser)
- Offer one-time purchase option instead of subscription
- Improve customer support and communication


## Frequently asked questions

### Is Celer free?

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

### Is Bionic Reading® free?

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

### Which has better reviews, Celer or Bionic Reading®?

Celer is rated higher. Celer averages 4.0 out of 5 from 21 ratings, while Bionic Reading® averages 2.4 from 151 ratings.

### Do Celer or Bionic Reading® have ads?

Neither Celer nor Bionic Reading® shows ads.

### Which is updated more often, Celer or Bionic Reading®?

Celer ships an update every 10 days, and Bionic Reading® every 3 weeks. Most recently, Celer was updated on September 21, 2026 and Bionic Reading® on September 23, 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.*