# Celer vs Sightlines

The clearest difference is update cadence: Sightlines at every 4 days against Celer's every 10 days. On price, ads, in-app purchases 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 and Sightlines sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Celer ships an update every 10 days, Sightlines every 4 days. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Celer | Sightlines |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 62 MB | 12 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Craft MB](https://appshunter.io/developer/1299128266) | [Kyle Foley](https://appshunter.io/developer/1814129029) |

## 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 |


### Sightlines

[App page](https://appshunter.io/ios/app/sightlines-focus-more/id6757869840)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sightlines Pro Monthly | $2.99 | per month |
| Sightlines Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Celer free?

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

### Is Sightlines free?

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

### Do Celer or Sightlines have ads?

Neither Celer nor Sightlines shows ads.

### Which is updated more often, Celer or Sightlines?

Celer ships an update every 10 days, and Sightlines every 4 days. Most recently, Celer was updated on September 21, 2026 and Sightlines on September 16, 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.*