# Celer vs Libri Accessibili

The clearest difference is in-app purchases: Libri Accessibili at none against Celer's 4. Libri Accessibili also leads on iOS requirement (13.7 vs 17.0). Celer's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Celer sells 4 in-app purchases, starting at $7.99 per month. Libri Accessibili asks for nothing beyond the download.

Celer ships an update every 10 days, Libri Accessibili every 3 weeks. The most recent releases landed on September 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Celer | Libri Accessibili |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 62 MB | 102 MB |
| Requires iOS | 17.0 | **13.7** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Mobile Craft MB](https://appshunter.io/developer/1299128266) | [PubCoder](https://appshunter.io/developer/918409960) |

## 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 |


### Libri Accessibili

[App page](https://appshunter.io/ios/app/libri-accessibili/id6502644780)

**In-app purchases:** none


## Frequently asked questions

### Is Celer free?

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

### Is Libri Accessibili free?

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

### Do Celer or Libri Accessibili have ads?

Neither Celer nor Libri Accessibili shows ads.

### Which is updated more often, Celer or Libri Accessibili?

Celer ships an update every 10 days, and Libri Accessibili every 3 weeks. Most recently, Celer was updated on September 21, 2026 and Libri Accessibili on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*