Comparison

Zenzu vs Mastery

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

Head to head
About

Zenzu

Features
Read full description

Zenzu transforms the way you learn languages. Instead of artificial exercises and gamified drills, you learn from real-world content — YouTube videos, articles, and photos from your daily life. HOW IT WORKS Import any content you find interesting — a YouTube video, a news article, or even a photo with text. Zenzu's AI breaks it down into meaningful vocabulary and phrases, creating personalized learning material just for you. SMART SPACED REPETITION Powered by the FSRS-5 algorithm, Zenzu schedules your reviews at the optimal moment — right before you'd forget. Every review session is efficient and builds lasting knowledge. LEARN YOUR WAY • Import YouTube videos with subtitles and learn from real conversations • Snap photos of menus, signs, or book pages to capture new vocabulary • Import articles and let AI extract key words and phrases • Review with intelligent spaced repetition that adapts to your memory BUILD YOUR FUTURE, STEP BY STEP Zenzu is not a game. It's a serious tool for people who want real language skills. Every deck you create is a tree in your personal grove — watch your knowledge forest grow as you progress. FEATURES • AI-powered content import (YouTube, articles, photos) • FSRS-5 spaced repetition algorithm • Beautiful forest-themed progress visualization • Works offline after content is imported • Support for any language pair

About

Mastery

Features
Read full description

Mastery turns PDFs, notes, images, links, and topics into AI summaries, flashcards, key terms, and practice quizzes. Study faster with AI-powered tools built for students, exam prep, homework review, and self-study. Import your material, create a focused study set, and move from reading to practice without starting from a blank page. With Mastery, you can: • Generate clear AI summaries from PDFs, notes, images, links, and topics • Create structured study notes from long documents • Review flashcards for active recall • Learn key terms and definitions • Practice with quizzes based on your material • Ask AI follow-up questions about each study set • Keep your materials, quizzes, and study tools organized Mastery helps with school notes, college study, revision, homework, exam preparation, document review, and learning from long PDFs. Each material has its own study tools and AI chat context, so your questions stay focused on what you are learning. Use Mastery to understand faster, remember more, and practice with confidence. Privacy Policy: https://mastery.ismailparlak.com/privacy Terms of Service: https://mastery.ismailparlak.com/terms

Screenshots

Zenzu4 screens
Mastery4 screens

Verdict

The call

The clearest difference is ads: Zenzu at none against Mastery's shown. Zenzu also leads on update cadence (every 4 days vs every 11 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Zenzu ships an update every 4 days, Mastery every 11 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Zenzu versus Mastery: the parameters behind the verdict, then further details
ParameterZenzuMastery
PriceFreeFree
Update frequencyEvery 4 days — betterEvery 11 days
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size81 MB30 MB
Age rating4+4+
DeveloperNick Bibikovismail parlak

In-app purchases

None

Zenzu

No in-app purchases

None

Mastery

No in-app purchases

Questions

Is Zenzu free?
Zenzu is free to download, with no in-app purchases.
Is Mastery free?
Mastery is free to download, with no in-app purchases.
Do Zenzu or Mastery have ads?
Mastery shows ads; Zenzu does not.
Which is updated more often, Zenzu or Mastery?
Zenzu ships an update every 4 days, and Mastery every 11 days. Most recently, Zenzu was updated on November 9, 2026 and Mastery on November 5, 2026.

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