Comparison

primr vs Readberry

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

Head to head
About

primr

Enhance your focus and productivity with binaural beats and guided meditation. Track your focus improvement over time and unlock new sound packs designed for creativity and productivity.

Highlights
  • Binaural beats for focus
  • Guided meditation sessions
  • Focus rating after each session
  • Track focus improvement over time
  • Future sound packs for creativity
Features
Read full description

Combining the power of binaural beats and meditation, primr increases your ability to get in the zone and focus on what's important. After each session, you'll get rated on how focused you were and as time goes by you can track how your ability to focus has improved. In future releases, we will be adding binaural beat sound packs that are designed to help improve your creativity and productivity.

About

Readberry

Transform your reading material into an audio experience with synchronized highlighting and integrated quizzes. This app helps improve comprehension and retention by engaging both auditory and visual learning pathways.

Highlights
  • Scan documents or upload PDFs
  • Natural voice narration
  • Word-by-word synchronized highlighting
  • Integrated quizzes for recall
  • Adjustable playback speed
  • Progress tracking
Features
Read full description

Get it on the first read. Scan pages with your camera or upload PDFs, EPUBs, and FB2s. Readberry turns your material into an audio course with natural narration and built-in quizzes, so the information actually sticks. Read along while you listen, word by word in sync. Quizzes appear as often as you want, right after each section, while the material is still fresh. That means instant recall, less mind wandering, and no more rereading the same paragraph three times. UPLOAD YOUR MATERIAL AS • PDF files • EPUB files • FB2 files • Photos of textbook pages or handouts • Camera scan — shoot multiple pages in one session • Paste any text directly HOW IT WORKS • Your material is broken down into focused chapters • Choose Smart Cleanup to remove clutter, or Keep Original to preserve the source exactly as it is • A natural voice reads it aloud as you follow along • Each word is highlighted in real time • Built-in quizzes appear after each section, based on the Testing Effect (PubMed 24821756) • Wrong answer? Replay that section instantly • You get a clear score after finishing each chapter BUILT FOR HOW YOUR BRAIN WORKS Read and listen simultaneously — two brain inputs at once keep you locked in. No more zoning out mid-paragraph. No more finishing a page and failing to recall a thing. WHO IS READBERRY FOR • Students Get through lectures, textbooks, and papers without burning out • People with ADHD or dyslexia Synchronized audio keeps your attention anchored to the text • Working professionals Absorb reports and articles on the go • Anyone with too much reading to do Get through your reading list quicker and easier FEATURES YOU’LL LOVE • Smart Cleanup or Keep Original — you choose how your material is processed • Word-by-word highlight synced to the audio • Adjustable playback speed (from 0.5x to 2x) • Multiple voice-over options to choose from • Full page mode and Focus line mode • Lock screen controls and background playback • Progress tracking with mastery stars Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID Settings. Privacy Policy: https://readberry.app/legal/app/privacy Terms of Use: https://readberry.app/legal/app/terms

Screenshots

primr4 screens
Readberry4 screens

Verdict

The call

The clearest difference is in-app purchases: primr at none against Readberry's 10. primr also leads on review sentiment (83% vs 67%) and iOS requirement (10.0 vs 16.4). Readberry's advantage is update cadence (weekly vs every 2 months) and ratings volume (84 vs 2). On price, rating, 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. Readberry sells 10 in-app purchases, starting at $5.49 per 7 days. primr asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for primr against 4.9 for Readberry. That said, the two scores are not equally well evidenced: Readberry has 84 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 83% of primr's written reviews are positive against 67% of Readberry's.

UpkeepUpdate frequency

primr ships an update every 2 months, Readberry weekly. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.

Scorecard6 real differences · 4 level
primr versus Readberry: the parameters behind the verdict, then further details
ParameterprimrReadberry
PriceFreeFree
Rating5.0 (2 ratings) — better4.9 (84 ratings)
Positive reviews83.3% of reviews — better66.7% of reviews
Number of ratings284 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.0 — better16.4
Further details — not scored
Size39 MB143 MB
Age rating4+4+
DeveloperDaily Prompt LtdDevelux Limited

Customer experience

primr

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Readberry

All ratings81 ratings
Positive97.5%
Neutral0.0%
Negative2.5%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

primr

No in-app purchases

10 purchases

Readberry

Subscriptions8
  • Weekly Plan$5.497 Days
  • Weekly Plan$7.907 Days
  • Weekly Plan$12.497 Days
Show 5 more
  • Monthly Plan$17.491 Month
  • Monthly Plan$19.491 Month
  • Monthly Plan1 Month trial$32.491 Month
  • 3 Months Plan3 Months trial$79.003 Months
  • Annual Plan1 Year trial$139.001 Year
One-time2
  • Extra Usage Promo$0.29
  • Extra Usage M$11.95

Questions

Is primr free?
primr is free to download, with no in-app purchases.
Is Readberry free?
Readberry is free to download, with in-app purchases available.
Which has better reviews, primr or Readberry?
primr is rated higher. primr averages 5.0 out of 5 from 2 ratings, while Readberry averages 4.9 from 84 ratings.
Do primr or Readberry have ads?
Neither primr nor Readberry shows ads.
Which is updated more often, primr or Readberry?
primr ships an update every 2 months, and Readberry weekly. Most recently, primr was updated on November 2, 2026 and Readberry on November 9, 2026.

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