Comparison

23 Devs Library vs Leero

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

Head to head
About

23 Devs Library

Features
Read full description

Using this app, users can view books from 23 Devs Library, make a reservation for a book, cancel their reservation, return books to the library, search for books, see what books they have reserved, in hands or returned to library.

About

Leero

This app helps you log books, track reading sessions, and build a reading journal. Set goals, build streaks, and view stats to stay motivated and remember what you read. Organize your library and enhance your reading habit.

Highlights
  • Log books (want to read, reading, finished)
  • Track reading sessions (pages, time)
  • Set daily reading goals
  • Build reading streaks
  • Save notes and quotes
  • View reading statistics
  • Add books via search or scan
Features
Read full description

Leero is a simple reading tracker that helps you log books, track your reading progress, and keep a beautiful reading journal. It is designed for readers who want to stay consistent, set reading goals, and remember more of what they read. With Leero, you can: • Track books you want to read, are currently reading, and have finished • Log reading sessions by pages, chapters, or time • Set daily reading goals • Build consistency with streaks • Save notes, thoughts, and favorite quotes • View reading stats, trends, and progress reports • Add books by search, barcode scan, or manual entry • Import your existing book library from supported sources • Focus on reading without ads, banners, or popups Leero helps you stay motivated without making reading feel like work. It keeps your library organized, shows how your reading grows, and helps you remember what each book gave you. It is free to use with all essential features included. If you want deeper insights and more tools to support your reading habit, you can upgrade to Leero Premium. Premium features: • Unlimited notes and quotes: Save as many thoughts, favorite lines, and questions as you want • Monthly and yearly goals: Set bigger reading goals and track long-term progress • Advanced statistics: Explore your reading habits in more detail with deeper insights and reports • Sync and daily backups: Keep your library up to date across your devices and restore from backups when needed Leero is more than a book tracker. It is a simple reading companion that helps you stay motivated, build consistency, and remember every book long after you finish it. No ads. No clutter. Just a better way to read. --- About Premium plan billing Your subscription will automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage and cancel your subscription anytime in your App Store settings. The subscription will remain active until the end of the paid period. TERMS OF SERVICE: https://leero.app/terms-of-service PRIVACY POLICY: https://leero.app/privacy-policy --- If you have any questions or suggestions, contact hello@leero.app

Screenshots

23 Devs Library4 screens
Leero4 screens

Verdict

The call

The clearest difference is in-app purchases: 23 Devs Library at none against Leero's 5. 23 Devs Library also leads on iOS requirement (12.0 vs 18.2). On price, 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. Leero sells 5 in-app purchases, starting at $4.99 per month. 23 Devs Library asks for nothing beyond the download.

Scorecard2 real differences · 8 level
23 Devs Library versus Leero: the parameters behind the verdict, then further details
Parameter23 Devs LibraryLeero
PriceFreeFree
Rating—4.4 (10 ratings) — better
Positive reviews—92.9% of reviews
Number of ratings—10 — better
Update frequency—Every 3 days
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.2
Further details — not scored
Size29 MB122 MB
Age rating4+12+
DeveloperNINA SAVELJEVAVladimir Sevastianov

In-app purchases

None

23 Devs Library

No in-app purchases

5 purchases

Leero

Subscriptions3
  • Premium$4.991 Month
  • Early Adopter$19.991 Year
  • Premium$39.991 Year
One-time2
  • Early Adopter Lifetime$39.99
  • Premium Lifetime$79.99

Questions

Is 23 Devs Library free?
23 Devs Library is free to download, with no in-app purchases.
Is Leero free?
Leero is free to download, with in-app purchases available.
Do 23 Devs Library or Leero have ads?
Neither 23 Devs Library nor Leero shows ads.

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