Comparison

Clozemaster-Vocabulary Builder vs Assimil

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

Head to head
About

Clozemaster-Vocabulary Builder

Master vocabulary in over 50 languages by filling in missing words in real-world sentences. This gamified app challenges learners with cloze tests, contextual learning, and progress tracking to build fluency. Offers multiple learning modes and detailed grammar explanations.

Highlights
  • Cloze test vocabulary learning
  • Contextual sentence learning
  • 50+ languages available
  • Gamified learning with leaderboards
  • Progress tracking and spaced repetition
  • Vocabulary, Listening, and Speaking modes
  • Grammar explanations
Features
Read full description

Learn 50+ languages with Clozemaster — the gamified language learning app for A2-C1 learners to master vocabulary by filling in missing words in real-world contexts. [ MASTER LANGUAGES WITH THE CLOZE TEST METHOD ] • Level up your language skills with cloze tests, where you fill in the missing word, challenging you to complete sentences. • Learn vocabulary in context, moving beyond single-word flashcards to complete sentences drawn from real-life scenarios. [ CONTEXTUAL LEARNING FOR REAL-WORLD FLUENCY ] • Experience language as it's used in daily life; learn by completing thousands of sentences in over 50 languages. • Progress through sentences sorted by frequency, focusing first on the words you're most likely to use. [ EXPLORE A WEALTH OF LANGUAGES ] • Play over 50 languages - Afrikaans, Albanian, Amharic, Arabic, Armenian, Azerbaijani, Basque, Belarusian, Bengali, Breton, Bulgarian, Cantonese, Catalan, Cornish, Croatian, Czech, Danish, Dutch, English (Ingles), Esperanto, Estonian, Finnish, French, Galician, Georgian, German, Greek, Guarani, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Interlingue, Irish, Italian, Japanese, Kazakh, Korean, Latin, Latvian, Lithuanian, Lojban, Macedonian, Mandarin Chinese, Maori, Nahuatl, Norwegian, Persian Farsi, Polish, Portuguese, Romanian, Russian, Scottish Gaelic, Serbian, Slovak, Slovenian, Spanish (Español), Swahili, Swedish, Tagalog, Thai, Toki Pona, Turkish, Ukrainian, Vietnamese, Welsh, Yiddish. • Each language offers authentic phrases and expressions, enhancing cultural understanding. [ GAMIFY YOUR LEARNING JOURNEY ] • Score points for correct answers, competing on a global leaderboard to make learning engaging and rewarding. • Tackle language challenges to stay motivated, with gamified exercises enhancing your daily learning. [ TAILOR YOUR LANGUAGE EXPERIENCE ] • Adjust the speaking speed to match your comprehension level, catering to learners at all stages. • Visual progress tracking and spaced repetition help you climb the leaderboard and master sentences efficiently. [ DIVERSE LEARNING MODES FOR A HOLISTIC APPROACH ] • Engage with three distinct modes - Vocabulary, Listening, and Speaking - to cater to different aspects of language learning. • Try out the beta feature 'Radio' for a hands-free learning experience, listening to sentences with translations and thoughtful pauses. [ INTERACTIVE LEARNING SUPPORT ] • If you answer incorrectly, tap "Explain" for detailed grammar explanations, aiding your understanding and retention. [ FREE TO PLAY, RICH IN LEARNING ] • Start your language learning journey for free, with essential features accessible to all users. • Choose to upgrade to Clozemaster Pro for a more comprehensive and customized learning experience. [ UNLOCK ADVANCED FEATURES ] • Gain unlimited access to advanced learning features and in-depth exercises with the Pro version. • Create and share custom sentence collections, allowing for a tailored and personalized learning experience. • Access a vast library of grammar challenges and exclusive content, enhancing your linguistic proficiency. Download Clozemaster now and transform your approach to language learning. Whether you are a beginner or an advanced learner, Clozemaster offers a unique and effective way to expand your vocabulary and understand the intricacies of over 50 languages. • Upon confirming your purchase, the charge will be applied to your Apple account. • To provide uninterrupted service, subscriptions renew automatically. Your account will be charged for renewal within 24 hours before the end of the current period. • Manage auto-renewal settings anytime by adjusting your preferences in the App Store. • For a deeper understanding of our policies, please review https://www.clozemaster.com/terms For support or feedback, contact us at hello@clozemaster.com Start your journey to language mastery today!

About

Assimil

Master a new language in 100 days with an immersive, interactive method. Gain confidence for everyday and professional communication, reaching B2 or C1 proficiency. Includes native speaker audio, dialogues, and grammar explanations.

Highlights
  • 100-day language mastery
  • Interactive lessons
  • Native speaker audio
  • Immersive dialogues
  • Grammar explanations
  • Review lessons
Features
Read full description

Make a new language part of your everyday life with the Assimil method. Learn progressively through natural dialogues, real-life situations and recordings by native speakers. From the very first lessons, you encounter the language in context rather than as isolated words and rules. Start with the first 7 lessons to discover the method, then continue at your own pace. Lesson by lesson, build your listening and reading skills and become more confident using the language in everyday situations. Courses available for English speakers include French, Spanish, German, Italian, Japanese, Russian, Korean, Chinese and Brazilian Portuguese. Since 1929, Assimil has helped generations of learners discover new languages. Already used one of the previous Assimil apps? Sign in with the same email address to find your courses again. Have an Assimil pack? Use the “Delivery code” option in the app to activate your course.

Screenshots

Clozemaster-Vocabulary Builder4 screens
Assimil4 screens

Verdict

The call

The clearest difference is review sentiment: Clozemaster-Vocabulary Builder at 83% against Assimil's 32%. Clozemaster-Vocabulary Builder also leads on rating (4.8 vs 4.3) and ratings volume (2.1K vs 32). Assimil's advantage is update cadence (every 4 days vs every 9 days) and device support (4 vs 2). On price, ads, in-app purchases and monetization model 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. Clozemaster-Vocabulary Builder sells 8 in-app purchases, starting at $8.99 per month and Assimil sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Clozemaster-Vocabulary Builder holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Clozemaster-Vocabulary Builder has 2.1K ratings behind it against 32, so its average is the more settled of the two. Written reviews point the same way: 83% of Clozemaster-Vocabulary Builder's written reviews are positive against 32% of Assimil's.

UpkeepUpdate frequency

Clozemaster-Vocabulary Builder ships an update every 9 days, Assimil every 4 days. Both last shipped on November 6, 2026.

Scorecard5 real differences · 5 level
Clozemaster-Vocabulary Builder versus Assimil: the parameters behind the verdict, then further details
ParameterClozemaster-Vocabulary BuilderAssimil
PriceFreeFree
Rating4.8 (2.1K ratings) — better4.3 (32 ratings)
Positive reviews82.5% of reviews — better32.4% of reviews
Number of ratings2.1K — better32
Update frequencyEvery 9 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS16.415 — better
Further details — not scored
Size120 MB137 MB
Age rating12+4+
DeveloperLanguage Innovation LLCHOLIWAVE

Customer experience

Clozemaster-Vocabulary Builder

All ratings2,100 ratings
Positive95.7%
Neutral1.5%
Negative2.9%
Written reviews544 reviews
Positive82.5%
Neutral6.6%
Negative10.8%

Assimil

All ratings31 ratings
Positive87.1%
Neutral0.0%
Negative12.9%
Written reviews182 reviews
Positive32.4%
Neutral13.2%
Negative54.4%

Bugs and requests

Clozemaster-Vocabulary Builder

Reported bugs

3 issues
  • Crashes and performance issues on older devices
  • Incorrect translations and sentence examples
  • Inconsistencies in language-specific features

Requested features

5 requests
  • Ability to add custom sentences and vocabulary
  • More detailed grammar explanations and lessons
  • Integration with other language learning resources
  • Improved user interface and navigation
  • Offline mode with full functionality

Assimil

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Clozemaster-Vocabulary Builder

Subscriptions8
  • Clozemaster Pro Monthly$8.991 Month
  • Clozemaster Pro Monthly2 variants$12.991 Month
  • Clozemaster Pro Monthly1 Month trial2 variants$12.991 Month
Show 5 more
  • Clozemaster Pro Yearly$69.991 Year
  • Clozemaster Pro Yearly$79.991 Year
  • Clozemaster Pro Annual1 Year trial$79.991 Year
  • Clozemaster Pro Annual7 Days trial$79.991 Year
  • Clozemaster Pro Yearly7 Days trial$79.991 Year
10 purchases

Assimil

One-time10
  • Assimil French$41.99
  • Assimil Espagnol$41.99
  • Assimil German$44.99
Show 7 more
  • Assimil Italian$44.99
  • Assimil Brazilian Portuguese$44.99
  • Assimil Chinese$44.99
  • Assimil Japanese$44.99
  • Assimil Russian$44.99
  • Assimil Spanish$44.99
  • Korean$44.99

Questions

Is Clozemaster-Vocabulary Builder free?
Clozemaster-Vocabulary Builder is free to download, with in-app purchases available.
Is Assimil free?
Assimil is free to download, with in-app purchases available.
Which has better reviews, Clozemaster-Vocabulary Builder or Assimil?
Clozemaster-Vocabulary Builder is rated higher. Clozemaster-Vocabulary Builder averages 4.8 out of 5 from 2.1K ratings, while Assimil averages 4.3 from 32 ratings.
Do Clozemaster-Vocabulary Builder or Assimil have ads?
Neither Clozemaster-Vocabulary Builder nor Assimil shows ads.
Which is updated more often, Clozemaster-Vocabulary Builder or Assimil?
Clozemaster-Vocabulary Builder ships an update every 9 days, and Assimil every 4 days. Most recently, Clozemaster-Vocabulary Builder was updated on November 6, 2026 and Assimil on November 6, 2026.

Other comparisons