Comparison

Owle vs Lenglio Read & Learn Languages

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

Head to head
About

Owle

Features
Read full description

Master languages through reading with Owle - the intelligent vocabulary builder that transforms how you learn English, Spanish, and German. LEARN LANGUAGES THROUGH READING Discover a smarter way to build your vocabulary while enjoying books in foreign languages. Owle analyzes text to identify the most frequently used words, helping you focus on what matters most for comprehension. KEY FEATURES: • Color-code words as you read - mark words you know and words to learn • Smart flashcards with drawing feature for better memory retention • Spaced repetition system that prioritizes words you need to review • Statistical analysis showing how much of the text you understand • Audio pronunciation for every word • Star important words for focused practice sessions • Sync your progress across iPhone and iPad INTELLIGENT LEARNING SYSTEM Owle tracks how well you remember each word and automatically schedules reviews when you need them most. The built-in spaced repetition algorithm ensures you never forget what you've learned. VISUAL MEMORY ENHANCEMENT Create simple drawings as visual cues for words - a powerful memory technique that dramatically improves recall. When reviewing flashcards, these visual hints help trigger your memory. FOCUS ON WHAT MATTERS The Statistics tab ranks words by frequency, allowing you to learn the most common words first. Watch as your text comprehension percentage grows with each word you master! FLEXIBLE PRACTICE OPTIONS • Practice words from your current book only • Review starred words for focused sessions • Choose from words you're still learning • Practice across your entire vocabulary collection AVAILABLE LANGUAGES: • English • Spanish • German INTERFACE LANGUAGES: • English • Spanish • German • Czech UPGRADE TO PRO: • Add your own books (.txt files) • Remove ads for distraction-free learning • Download books for offline reading • Sync your progress across all your Apple devices Start your language learning journey today with Owle - where reading becomes the most effective way to build your vocabulary! Questions or feedback? Contact us at: owleapp@hotmail.com Terms Of Service: https://www.owle.eu/legal.html#terms Privacy Policy: https://www.owle.eu/legal.html#policy

About

Lenglio Read & Learn Languages

Learn languages through reading with this app. It allows you to import your own texts or books, track new vocabulary, and understand words in context. Enjoy a private, on-device learning experience with support for multiple languages.

Highlights
  • Import own texts and book files
  • Track unfamiliar vocabulary
  • Define words in context
  • On-device text analysis for comprehension level
  • Private, on-device processing
  • Supports multiple languages
Read full description

Learn a language by reading with Lenglio! Lenglio is a powerful reading app designed to help you learn languages faster through comprehensible input, the most natural and effective way to acquire vocabulary and grammar. With Lenglio, you can: Read anything: Copy and paste your own text or upload full book files. No practical limits on text length or file size. Track what you see: Lenglio allows you to track every word you read, helping you focus on unfamiliar vocabulary. Understand in context: Define words as you go and save them for later. You can look up individual words or translate full pages. Read at your level: On-device text analysis shows you how much of the book you understand. Stay private: Everything is processed on your device. No account required. Languages supported: English French German Italian Portuguese Russian Spanish Czech Hungarian Swedish (More coming soon) Free to try. No sign-up needed. No AI gimmicks. Full access requires a subscription or one-time purchase. Lenglio free includes: Read a selection of included public domain books Limited uploading of personal texts Track all words you encounter while reading Upload and download your known and learning word lists Occasional paywalls and upgrade prompts Lenglio Premium includes: Unlimited reading library with no content restrictions Unlimited text difficulty analysis No interruptions with paywalls or promotions Priority support Pricing options: Monthly Subscription One-Time Purchase User Agreement: https://www.lenglio.app/useragreement Privacy Policy: https://www.lenglio.app/privacypolicy

Screenshots

Owle4 screens
Lenglio Read & Learn Languages4 screens

Verdict

The call

The clearest difference is ads: Lenglio Read & Learn Languages at none against Owle's shown. Lenglio Read & Learn Languages also leads on update cadence (fortnightly vs every 6 weeks). Owle's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price and in-app purchases 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. Owle sells 4 in-app purchases, starting at $3.99 per month and Lenglio Read & Learn Languages sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Owle ships an update every 6 weeks, Lenglio Read & Learn Languages fortnightly. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 5 level
Owle versus Lenglio Read & Learn Languages: the parameters behind the verdict, then further details
ParameterOwleLenglio Read & Learn Languages
PriceFreeFree
Rating—5.0 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 6 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better18.6
Further details — not scored
Size18 MB510 MB
Age rating9+12+
DeveloperJan SuchyLumizon Media Holdings LLC

In-app purchases

4 purchases

Owle

Subscriptions4
  • PRO$3.991 Month
  • PRO monthly$6.991 Month
  • PRO quarterly$14.993 Months
Show 1 more
  • PRO annual$39.991 Year
3 purchases

Lenglio Read & Learn Languages

Subscriptions2
  • Monthly Subscription3 Days trial$0.991 Month
  • Weekly Subscription3 Days trial$3.997 Days
One-time1
  • One-Time Purchase$9.99

Questions

Is Owle free?
Owle is free to download, with in-app purchases available.
Is Lenglio Read & Learn Languages free?
Lenglio Read & Learn Languages is free to download, with in-app purchases available.
Do Owle or Lenglio Read & Learn Languages have ads?
Owle shows ads; Lenglio Read & Learn Languages does not.
Which is updated more often, Owle or Lenglio Read & Learn Languages?
Owle ships an update every 6 weeks, and Lenglio Read & Learn Languages fortnightly. Most recently, Owle was updated on September 17, 2026 and Lenglio Read & Learn Languages on September 23, 2026.

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