Comparison

Lecsium vs Kotoki

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

Head to head
About

Lecsium

Features
Read full description

Choose the language you're learning, your level, genre, characters, and ideas. Lecsium creates a personalized novel that unfolds chapter by chapter, with language-learning tools built directly into the reading experience. READ AT YOUR LEVEL Your story adapts to your language level, helping you spend more time reading and less time decoding text that's out of reach. UNDERSTAND WITHOUT LEAVING THE STORY Tap a word for an instant translation and contextual help, then keep reading without breaking immersion. READ AND LISTEN Listen to your chapters directly in the Reader and experience the story through both text and audio. BUILD VOCABULARY IN CONTEXT Save words you discover while reading and review them progressively in your vocabulary notebook. CREATE THE STORY YOU WANT Pick a genre and an idea, or use Author mode to shape characters, plot, and your fictional world. KEEP EVERYTHING TOGETHER Your novels, covers, vocabulary, and reading progress stay organized in your personal library. Learn through reading in English, Spanish, French, German, Italian, Portuguese, Japanese, and Korean. No endless stream of isolated sentences. Read because you want to know what happens next. Read. Understand. Progress. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Kotoki

Features
Read full description

Turn any Korean text into a lesson. Paste Korean text or snap a photo, and Kotoki instantly translates it and breaks it down chunk by chunk โ€” so you can see exactly what each word and phrase means, not just the overall translation. FEATURES - Paste or scan Korean text for instant AI-powered translation - Tap any word or phrase to see its meaning, role, and romanization - Get deeper grammar explanations with one tap - Save words to flashcards, organized into folders - Listen to natural pronunciation of any passage - Read at your own pace with adjustable font size and light/dark themes - Available in 10 interface languages Whether you are studying K-dramas, K-pop lyrics, menus, signs, or textbooks, Kotoki helps you understand real Korean text the way native speakers actually use it โ€” one chunk at a time. Start with a free daily translation, or upgrade to Kotoki Premium for unlimited scans, translations, and flashcards. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Lecsium4 screens
Kotoki3 screens

Verdict

The call

The clearest difference is update cadence: Kotoki at every 2 days against Lecsium's every 8 days. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Lecsium sells 3 in-app purchases, starting at $3.99 per month and Kotoki sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Lecsium ships an update every 8 days, Kotoki every 2 days. Both last shipped on November 10, 2026.

Scorecard1 real difference ยท 5 level
Lecsium versus Kotoki: the parameters behind the verdict, then further details
ParameterLecsiumKotoki
PriceFreeFree
Update frequencyEvery 8 daysEvery 2 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size62 MB16 MB
Age rating17+4+
DeveloperNathan GrondinLearning Canvas Company Limited

In-app purchases

3 purchases

Lecsium

Subscriptions3
  • Reader$3.991 Month
  • Author$5.991 Month
  • Ultra$12.991 Month
2 purchases

Kotoki

Subscriptions2
  • Kotoki Premium (Monthly)$3.991 Month
  • Kotoki Premium (Yearly)$34.991 Year

Questions

Is Lecsium free?
Lecsium is free to download, with in-app purchases available.
Is Kotoki free?
Kotoki is free to download, with in-app purchases available.
Do Lecsium or Kotoki have ads?
Neither Lecsium nor Kotoki shows ads.
Which is updated more often, Lecsium or Kotoki?
Lecsium ships an update every 8 days, and Kotoki every 2 days. Most recently, Lecsium was updated on November 10, 2026 and Kotoki on November 10, 2026.

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