Comparison

Celer vs Ciright Books

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Celer

This reading app uses guided highlighting to help users maintain focus and comprehension, especially beneficial for those with ADHD or dyslexia. It supports various file formats and offers a distraction-free environment to help you finish books and articles.

Highlights
  • Guided highlighting for focus
  • Adjustable reading pace
  • Distraction-free screen
  • Import EPUB, PDF, MOBI, RTF, TXT
  • Built-in RSS reader
  • Notes and highlights
Features
Read full description

Ever finish a page and realize you remember nothing? Read the same sentence three times and still lose your place? Celer was built for exactly that. Celer guides your eyes through the text with subtle highlighting, so your attention has a track to follow. Readers with ADHD and dyslexia tell us it's the difference between fighting a page and finishing it. HOW IT HELPS • Guided highlighting keeps your place — no more re-reading the same line • Adjustable pace: the text moves with you, not against you • Distraction-free reading screen, tuned for focus • Comprehension grows because your attention stays where the words are YOUR LIBRARY, YOUR WAY • Import EPUB, PDF, MOBI, RTF and TXT • Massive free classics library, ready to read • Follow articles and news with built-in RSS • Highlights and notes that stay with your books PRIVATE BY DESIGN No accounts required, no personal data collected. Your reading stays yours. Whether you have ADHD, dyslexia, or just a phone full of distractions, Celer helps you actually finish what you start. Try it free. Celer is an assistive reading tool, not a medical device or treatment. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Ciright Books

Read full description

"Ciright Books offers a seamless reading and listening experience with a vast collection of ebooks and audiobooks.Enjoy your favourite titles anytime, anywhere—read comfortably or switch to audio for hands-free enjoyment.Dive into endless stories effortlessly!"

Screenshots

Celer4 screens
Ciright Books4 screens

Verdict

The call

The clearest difference is in-app purchases: Ciright Books at none against Celer's 4. Ciright Books also leads on iOS requirement (13.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Celer ships an update every 9 days, Ciright Books every 10 days. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 8 level
Celer versus Ciright Books: the parameters behind the verdict, then further details
ParameterCelerCiright Books
PriceFreeFree
Rating4.0 (21 ratings) — better—
Positive reviews57.1% of reviews—
Number of ratings21 — better—
Update frequencyEvery 9 days — betterEvery 10 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.013.0 — better
Further details — not scored
Size117 MB30 MB
Age rating4+4+
DeveloperMobile Craft MBMy Ciright Inc.

In-app purchases

4 purchases

Celer

Subscriptions4
  • Premium month$7.991 Month
  • Premium quarter$17.993 Months
  • Premium Year7 Days trial$34.991 Year
Show 1 more
  • Premium Year Plan$79.991 Year
None

Ciright Books

No in-app purchases

Questions

Is Celer free?
Celer is free to download, with in-app purchases available.
Is Ciright Books free?
Ciright Books is free to download, with no in-app purchases.
Do Celer or Ciright Books have ads?
Neither Celer nor Ciright Books shows ads.
Which is updated more often, Celer or Ciright Books?
Celer ships an update every 9 days, and Ciright Books every 10 days. Most recently, Celer was updated on November 6, 2026 and Ciright Books on November 8, 2026.

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