# ReadMe! (Spritz & BeeLine) vs Celer

The clearest difference is rating: Celer at 4.0 against ReadMe! (Spritz & BeeLine)'s 3.7. Celer also leads on review sentiment (57% vs 43%) and update cadence (every 10 days vs every 4 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ReadMe! (Spritz & BeeLine) sells 5 in-app purchases, starting at $1.99 per month 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.

Celer holds the better App Store score, 4.0 against 3.7. That said, the two scores are not equally well evidenced: Celer has 21 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 43% of ReadMe! (Spritz & BeeLine)'s written reviews are positive against 57% of Celer's.

ReadMe! (Spritz & BeeLine) ships an update every 4 weeks, Celer every 10 days. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ReadMe! (Spritz & BeeLine) | Celer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/readme-spritz-and-beeline/id877697552/reviews) | **[4.0 (21 ratings)](https://appshunter.io/ios/app/celer-adhd-and-focus-reader/id1641298256/reviews)** |
| Number of ratings | 3 | **21** |
| Positive reviews | 43.2% of reviews | **57.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Monetization | Freemium | Freemium |
| Size | 104 MB | 62 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Spritz Holding LLC](https://appshunter.io/developer/1486315784) | [Mobile Craft MB](https://appshunter.io/developer/1299128266) |

## What reviewers say

### ReadMe! (Spritz & BeeLine)

[App page](https://appshunter.io/ios/app/readme-spritz-and-beeline/id877697552)

This app enhances your reading experience with unique technologies like Focused Reading and BeeLine Reader, designed to improve speed and fluency. It supports EPUB, PDF, DOCX, and TXT files, with optional cross-device syncing and premium features available via subscription.

**Highlights:** Read EPUB, PDF, DOCX, TXT files, Focused Reading mode, BeeLine Reader for speed and fluency, Multi-device syncing, Cross-device synchronization

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synchronisation Service | $1.99 | per month |
| Premium (Monthly) | $3.99 | per month |
| Synchronisation Service | $19.99 | per year |
| Premium (Yearly) | $39.99 | per year |
| Lifetime Premium | $99.99 | one-time |

**What reviewers like**

- 🚀 Efficient reading
- 🚀 Increased reading speed
- 👍 User-friendly design
- 👍 Customizable reading modes
- 👍 Helpful for reading disabilities

**What reviewers complain about**

- 🐛 Buggy, crashes frequently
- 🔒 Requires subscription for full functionality
- 👎 Poor navigation and UI
- 👎 Difficult to import books
- 👎 Loses reading progress

**Reported bugs**

- Spritz reader not working properly
- App freezes when adding books
- Sync issues across devices
- Compatibility problems with certain ebook formats

**Requested features**

- Offline reading mode
- Annotation and note-taking capabilities
- Better library management and organization
- Integration with other ebook platforms
- Customizable reading speed controls


### 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 ReadMe! (Spritz & BeeLine) free?

ReadMe! (Spritz & BeeLine) 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, ReadMe! (Spritz & BeeLine) or Celer?

Celer is rated higher. ReadMe! (Spritz & BeeLine) averages 3.7 out of 5 from 3 ratings, while Celer averages 4.0 from 21 ratings.

### Do ReadMe! (Spritz & BeeLine) or Celer have ads?

Neither ReadMe! (Spritz & BeeLine) nor Celer shows ads.

### Which is updated more often, ReadMe! (Spritz & BeeLine) or Celer?

ReadMe! (Spritz & BeeLine) ships an update every 4 weeks, and Celer every 10 days. Most recently, ReadMe! (Spritz & BeeLine) was updated on September 24, 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.*