Comparison

Readle vs Book Summary

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

Head to head
About

Readle

Learn Spanish, French, German, and more through engaging real-world stories and bite-sized lessons. Improve reading, listening, and vocabulary with daily practice and progress tracking. Designed for quick, effective language acquisition in just 5 minutes a day.

Highlights
  • Learn through real-world stories
  • Bite-sized daily lessons
  • Improve reading and listening
  • Instant word lookup
  • Grammar in context
  • Smart vocabulary practice
  • Quiz and test skills
Features
Read full description

Learn Spanish, French, German & more with real stories. Forget boring textbooks. Practice daily with structured levels designed for real progress. Improve your language skills in just 5 minutes a day with reading, listening, and testing in one place. Track your progress and see real results. Learn languages faster with over 2,000 real-world news stories, transformed into bite-sized lessons, flashcards, quizzes, and interactive practice. Readle (formerly Langster) is a CEFR-graded language learning app designed to help you master French, German, Spanish, English, Italian, Japanese, and Chinese in real-world contexts. Just 5 minutes a day is all it takes to learn, practice, and improve consistently. WHY Readle? • Learn through real stories, not random sentences • Practice with flashcards, quizzes, and vocabulary training • Improve reading, listening, and comprehension together • Built for daily learning and measurable progress Download Readle for FREE and start learning languages in a smarter way. ====== WHAT LANGUAGES CAN I LEARN? You can learn French, Spanish, German, English, Italian, Japanese, and Chinese ====== WHY LEARNING WITH STORIES WORKS ► LEARN THROUGH IMMERSION & LEVELS Our language experts turn real-world news into structured lessons across: • CEFR (A1–B2) • JLPT (N5–N2) • HSK (1–4) Learn step-by-step with level-based progression. ► BITE-SIZED DAILY LESSONS Over 2,000 stories & articles designed for: • fast learning • daily practice • real-world understanding Includes vocabulary, grammar tips, and context-based learning. ► IMPROVE READING & LISTENING • Listen sentence by sentence • Train pronunciation naturally • Learn how the language is actually used ► INSTANT WORD LOOKUP Tap any word for: • translation • conjugation • meaning in context No need to switch between apps. ► GRAMMAR IN CONTEXT Understand grammar naturally through real examples. Perfect companion for learners using: Deutsche Welle, DW learn German, Klett Lernen, Klett Augmented, Schritte Plus Neu, Hueber, TV5MONDE, etc. ► SMART VOCABULARY PRACTICE • Spaced repetition flashcards • Review at the optimal time • Turn passive reading into active learning ► QUIZ & TEST YOUR SKILLS • Practice with quizzes in every story • Test reading comprehension and vocabulary • Prepare for exams like: IELTS, TOEFL, DELF, Goethe, DELE, JLPT, HSK ► DAILY STORIES & CONTENT New stories every day across topics like: • Travel • Culture • Food • Technology • Science • News (TV5monde, BBC, RFI, France 24, Le Monde, French TV, radio, DW/Deutsche Welle, etc.) WHY READLE WORKS Readle combines: • Real-world content • Daily practice + testing loop • Clear progress tracking So you don’t just learn — you improve every day. SUPPORT Questions? Contact us: support@readle-app.com Privacy policy: https://readle-app.com/en/privacy-policy/ Terms of use: https://readle-app.com/en/terms-of-use/

About

Book Summary

Features
Read full description

Discover the premier platform for bibliophiles and polyglots: Introducing Nine Language – your gateway to a universe of erudition, linguistic variety, and boundless intellectual engagement. - Comprehensive Synopses of 10,000+ Works: Expand Your Intellect. Delve into an extensive repository of over ten thousand synopses, ranging from the canon of classic literature to the latest thought-provoking reads. Engage in deep, meaningful exchanges with an international community of avid readers. - Mindmap offers advanced mind mapping features for complex project planning and brainstorming. It includes unlimited map creation, sophisticated templates, and diverse customization options, ideal for business, educational, or personal use. - Multilingual Support for 9+ Languages: Embrace Global Narratives. Traverse linguistic frontiers with our robust multilingual support, encompassing English, German, French, Italian, Portuguese, Spanish, Russian, Chinese, Japanese, and Korean. Whether immersing yourself in familiar tongues or embracing linguistic diversity, your story awaits. - Bilingual Display Feature: Elevate Your Linguistic Proficiency. Transform your literary journey with our bilingual display feature, designed to enrich your dual-language proficiency. Savor narratives in a dual linguistic context, enhancing your understanding and appreciation of each text. - Tailored Reading Challenges: Expand Your Reading Horizons. Choose from 7-day or 30-day reading challenges tailored to your pace and ambition. Embark on a literary quest that broadens your perspective and fosters a disciplined reading regimen. - Advanced Challenge for Professional Mastery: Specialize Your Expertise. Advance to the Professional Mastery challenge to delve into specialized subjects. Master your domain with an in-depth exploration of literature pertinent to your field. - Enhanced Note-Taking Functionality: Enrich Your Learning Experience. Elevate your reading with dynamic note-taking features. Document your insights, reflections, and learnings as you traverse through each narrative. - Cross-Platform Synchronization: Experience Literary Continuity. Our seamless web and app integration ensures you can transition effortlessly between devices. Maintain your reading flow, whether at home, in transit, or in the quiet of a library. Join the ranks of the global literati with Nine Language. Download today and unlock a realm of limitless knowledge, dialogue, and growth. Begin your odyssey in the world of books now. ***************************** Have a question? If you still can't find the information you need: Contact us: https://ninelanguage.com/contact or email at support@ninelanguage.com Privacy Policy: https://ninelanguage.com/privacy-policy Terms of use: https://ninelanguage.com/terms-of-use

Screenshots

Readle4 screens
Book Summary4 screens

Verdict

The call

The clearest difference is ads: Book Summary at none against Readle's shown. Book Summary also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (12.0 vs 15.0). On price, in-app purchases 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. Readle sells 9 in-app purchases, starting at $12.99 per month and Book Summary sells 2 in-app purchases, starting at $9.00 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Readle ships an update every 3 weeks, Book Summary weekly. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
Readle versus Book Summary: the parameters behind the verdict, then further details
ParameterReadleBook Summary
PriceFreeFree
Rating4.7 (1.5K ratings) — better—
Positive reviews81.3% of reviews—
Number of ratings1.5K — better—
Update frequencyEvery 3 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size127 MB90 MB
Age rating12+4+
DeveloperA-Type TechnologiesPhan Tai Phuong

Bugs and requests

Readle

Reported bugs

2 issues
  • Audio not working for some users
  • Subscription issues and unexpected charges

Requested features

5 requests
  • Add more languages beyond the current offerings
  • Improve navigation and search functionality
  • Provide more detailed grammar explanations
  • Allow customization of vocabulary and quiz settings
  • Integrate speaking and writing practice exercises

Book Summary

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Readle

Subscriptions7
  • Learn Languages: Premium7 Days trial$12.991 Month
  • Langster Monthly: Daily Reads$12.991 Month
  • Readle Monthly: Daily Reads$14.991 Month
Show 4 more
  • Readle Quarterly Subscription$44.993 Months
  • Langster Yearly: Daily Stories7 Days trial$69.991 Year
  • Learn Languages: Premium$69.991 Year
  • Readle Yearly: Daily Stories7 Days trial$69.991 Year
One-time2
  • Langster Premium Lifetime$199.99
  • Readle Premium Lifetime$249.99
2 purchases

Book Summary

Subscriptions2
  • Monthly Premium$9.001 Month
  • Yearly Premium$59.001 Year

Questions

Is Readle free?
Readle is free to download, with in-app purchases available.
Is Book Summary free?
Book Summary is free to download, with in-app purchases available.
Do Readle or Book Summary have ads?
Readle shows ads; Book Summary does not.
Which is updated more often, Readle or Book Summary?
Readle ships an update every 3 weeks, and Book Summary weekly. Most recently, Readle was updated on October 30, 2026 and Book Summary on October 27, 2026.

Other comparisons