Comparison

Readle vs O Words

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

Head to head
About

Readle

Master new languages through engaging real-world stories and bite-sized lessons. Practice reading, listening, and vocabulary with interactive quizzes and flashcards. Track your progress and see measurable improvements in just 5 minutes a day.

Highlights
  • Learn through real stories
  • Bite-sized daily lessons
  • Reading and listening practice
  • Instant word lookup
  • Smart vocabulary practice
  • Quizzes and skill testing
  • Progress tracking
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, 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, 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

O Words

Features
Read full description

- Only Words is an app that makes learning foreign words easy with stories. - With a single tap, you can learn the meanings of the words in the stories you read. - You can choose word groups in the category you want and learn only those words. - You can listen to word pronunciations. - Thanks to its simple and user-friendly interface, students of all ages and levels can improve their language skills at their own pace and according to their interests. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Readle4 screens
O Words4 screens

Verdict

The call

Readle and O Words are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 O Words sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Readle ships an update every 3 weeks, O Words every 2 weeks. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.

ScorecardNo meaningful differences
Readle versus O Words: the parameters behind the verdict, then further details
ParameterReadleO Words
PriceFreeFree
Rating4.7 (1.5K ratings) — better—
Positive reviews81.2% of reviews—
Number of ratings1.5K — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size147 MB58 MB
Age rating12+17+
DeveloperA-Type TechnologiesAlp Can Marangoz

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

O Words

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

O Words

Subscriptions2
  • 1 Month of Premium.$0.991 Month
  • 1 Year of Premium.$5.991 Year

Questions

Is Readle free?
Readle is free to download, with in-app purchases available.
Is O Words free?
O Words is free to download, with in-app purchases available.
Do Readle or O Words have ads?
Both Readle and O Words show ads.
Which is updated more often, Readle or O Words?
Readle ships an update every 3 weeks, and O Words every 2 weeks. Most recently, Readle was updated on October 27, 2026 and O Words on October 9, 2026.

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