Comparison

Rocket Languages vs Clozemaster-Vocabulary Builder

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

Head to head
About

Rocket Languages

Learn to speak new languages like Spanish, French, and Japanese with structured audio lessons and cultural insights. This app offers lifetime access to courses designed for real conversations, helping you overcome common learning frustrations and speak confidently from day one.

Highlights
  • Structured audio lessons for speaking
  • Lifetime access with free updates
  • Cultural insights and customs
  • Voice recognition for pronunciation
  • Adaptive review activities
  • Interactive audio and conversation practice
Features
Read full description

Rocket Languages - Finally Speak Spanish, French, Japanese & More Learn Spanish, French, Japanese, Italian, German, Korean, Chinese, and more with Rocket Languages - trusted by 2+ million learners worldwide. Unlike game-based apps, Rocket gives you lifetime access to structured lessons that teach you to speak confidently in real conversations. Start your free trial today and see how quickly you’ll go from learning words to actually speaking your new language. WHY ROCKET LANGUAGES WORKS • Speak in real conversations from day 1 – guided audio lessons get you talking fast • Get lifetime access with free updates – your course never expires, and you own it for life • Understand culture, not just grammar – greetings, customs, food, holidays, and everyday life • Perfect your pronunciation – state-of-the-art voice recognition with thousands of native audio examples • Fix weak spots fast – smart review activities adapt to your progress WHAT YOU’LL GET IN EACH LEVEL • 60+ hours of interactive audio lessons you can listen to anywhere — like a podcast, but designed to get you speaking • 60+ hours of Language & Culture lessons that explain the “why,” not just the “what” • Writing practice for Japanese, Korean, Chinese, and other script-based languages • Stress-free conversation practice – train both sides of real dialogues so you’re ready when it counts • Built-in motivational tools to keep you inspired and on track SOLVE THE BIGGEST LANGUAGE LEARNING FRUSTRATIONS • Forgetting what you’ve learned • Memorizing phrases you can’t use in real life • Feeling nervous speaking with locals • Struggling to find time in a busy schedule • Believing you’re too old to learn • Finding other apps unstructured or confusing With Rocket Languages, you’ll remember what you learn, practice until it sticks, and finally speak with confidence. EXTRA BENEFITS YOU WON’T FIND ELSEWHERE • Train your ear – interactive audio sharpens listening skills quickly • Learn how the language actually works – build sentences step by step • Get tailored courses – each one crafted for what’s practical and relevant • Stay motivated – built-in tools keep your learning on track WHY LEARNERS CHOOSE ROCKET LANGUAGES • Proven by millions worldwide • One-time purchase – no ads, no subscriptions • A complete method that teaches speaking, listening, reading, writing, and culture START SPEAKING TODAY Whether it’s for travel, work, or personal growth, Rocket Languages gives you everything you need to finally speak your new language with confidence. • Free trial included – explore the course with no time limit. • Try a set number of lessons for free, then unlock full levels when you’re ready for more. • Additional levels are available as optional in-app purchases, but you’ll always keep free access to your trial lessons. Download Rocket Languages today - start your free trial and begin speaking Spanish, French, Japanese, and more with confidence.

About

Clozemaster-Vocabulary Builder

Master vocabulary in over 50 languages through engaging cloze tests. Learn words in real-world sentence contexts, track progress, and compete globally. Offers multiple learning modes and grammar explanations.

Highlights
  • Cloze tests for vocabulary learning
  • Learn vocabulary in context
  • Over 50 languages available
  • Gamified learning with leaderboards
  • Multiple learning modes (Vocabulary, Listening, Speaking)
  • Grammar explanations
  • Adjustable speaking speed
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!

Screenshots

Rocket Languages4 screens
Clozemaster-Vocabulary Builder4 screens

Verdict

The call

The clearest difference is update cadence: Clozemaster-Vocabulary Builder at every 11 days against Rocket Languages's monthly. Clozemaster-Vocabulary Builder also leads on review sentiment (82% vs 70%). On price, rating, ratings volume and ads 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. Rocket Languages sells 49 one-off in-app purchases and Clozemaster-Vocabulary Builder sells 8 in-app purchases, starting at $8.99 per month. 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 4.6. Both are backed by a comparable volume of ratings — 2.6K and 2.1K respectively. Written reviews point the same way: 70% of Rocket Languages's written reviews are positive against 82% of Clozemaster-Vocabulary Builder's.

UpkeepUpdate frequency

Rocket Languages ships an update monthly, Clozemaster-Vocabulary Builder every 11 days. Both last shipped on October 24, 2026.

Scorecard2 real differences · 8 level
Rocket Languages versus Clozemaster-Vocabulary Builder: the parameters behind the verdict, then further details
ParameterRocket LanguagesClozemaster-Vocabulary Builder
PriceFreeFree
Rating4.6 (2.6K ratings)4.8 (2.1K ratings) — better
Positive reviews69.8% of reviews82.5% of reviews — better
Number of ratings2.6K — better2.1K
Update frequencyMonthlyEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.416.4
Further details — not scored
Size44 MB82 MB
Age rating4+12+
DeveloperLibros Media LtdLanguage Innovation LLC

Customer experience

Rocket Languages

All ratings2,470 ratings
Positive91.2%
Neutral3.9%
Negative4.9%
Written reviews414 reviews
Positive69.8%
Neutral11.8%
Negative18.4%

Clozemaster-Vocabulary Builder

All ratings2,067 ratings
Positive95.7%
Neutral1.5%
Negative2.8%
Written reviews542 reviews
Positive82.5%
Neutral6.6%
Negative10.9%

User reviews

Rocket Languages

From 2.6K App Store ratings

What we love

  • 👍 Interactive and engaging lessons
  • 🚀 Comprehensive and structured learning approach
  • 💡 Variety of practice methods (listening, speaking, writing)
  • 👍 Explanations of grammar and cultural context
  • 🚀 Detailed and accurate pronunciation feedback

Room to improve

  • 🐛 Voice recognition issues and inconsistencies
  • 🐛 App crashes and bugs
  • 🐛 Inability to review/replay recorded audio
  • 🐛 Lack of offline functionality
  • 🐛 Outdated or confusing user interface

Clozemaster-Vocabulary Builder

From 2.1K App Store ratings

What we love

  • 👍 Great for learning vocabulary and grammar
  • 🚀 Effective spaced repetition and context-based learning
  • 🎮 Gamified and enjoyable learning experience
  • 🌐 Wide range of languages available, including rare ones
  • 💡 Useful sentence explanations and grammar insights

Room to improve

  • 🐛 Occasional issues with audio quality and TTS
  • 💰 Subscription model considered too expensive by some
  • 🔍 Limited free version with daily sentence cap
  • 🤖 Concerns about over-reliance on AI-generated content
  • 🤔 Not suitable for complete beginners in a language

Bugs and requests

Rocket Languages

Reported bugs

5 issues
  • Audio playback issues
  • Inconsistent voice recognition
  • Lesson progress not properly tracked
  • Compatibility problems with newer devices/OS
  • Crashes and freezes during use

Requested features

5 requests
  • Ability to slow down audio playback
  • More grammar and vocabulary review tools
  • Improved search and navigation within the app
  • Customizable learning plans and progress tracking
  • Integration with other language learning resources

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

In-app purchases

49 purchases

Rocket Languages

One-time49
  • Rocket Sign Language Level 1$39.99
  • Rocket Spanish Level 1$59.99
  • Rocket Japanese Level 1$59.99
Show 46 more
  • Rocket Italian Level 1$59.99
  • Rocket Korean Level 1$59.99
  • Rocket Arabic Level 1$59.99
  • Rocket French Level 1$59.99
  • Rocket Portuguese Level 1$59.99
  • Rocket Sign Language Level 1$59.99
  • Rocket Spanish Level 1$89.99
  • Rocket Korean Level 1$89.99
  • Rocket Arabic Level 1$89.99
  • Rocket French Level 1$89.99
  • Rocket German Level 1$89.99
  • Rocket Italian Level 1$89.99
  • Rocket Japanese Level 1$89.99
  • Rocket French Level 1$99.99
  • Rocket Japanese Level 1$99.99
  • Rocket Italian Level 1$99.99
  • Rocket Spanish Level 1$99.99
  • Rocket Spanish Levels 1 & 2$119.99
  • Rocket Spanish Premium: Level 1$149.99
  • Rocket French Premium: Level 1$149.99
  • Rocket German Premium: Level 1$149.99
  • Rocket Italian Premium: Level 1$149.99
  • Rocket Japanese Premium: Level 1$149.99
  • Rocket Chinese Premium: Level 1$149.99
  • Rocket Arabic Premium: Level 1$149.99
  • Rocket Portuguese Premium: Level 1$149.99
  • Rocket Korean Premium: Level 1$149.99
  • Rocket Russian Premium: Level 1$149.99
  • Rocket Spanish Levels 1, 2 & 3$179.99
  • Rocket French Levels 1, 2 & 3$179.99
  • Rocket Japanese Level 1, 2 & 3$179.99
  • Rocket Russian Levels 1, 2 & 3$179.99
  • Rocket German Levels 1, 2 & 3$179.99
  • Rocket Chinese Levels 1, 2 & 3$179.99
  • Rocket Italian Levels 1, 2 & 3$179.99
  • Rocket Spanish Levels 1, 2 & 3$249.99
  • Rocket Japanese Level 1, 2 & 3$249.99
  • Rocket Italian Levels 1, 2 & 3$249.99
  • Rocket German Levels 1, 2 & 3$249.99
  • Rocket Chinese Levels 1, 2 & 3$249.99
  • Rocket Russian Levels 1, 2 & 3$249.99
  • Rocket French Levels 1, 2 & 3$249.99
  • Rocket Japanese Level 1, 2 & 3$259.99
  • Rocket Italian Levels 1, 2 & 3$259.99
  • Rocket Spanish Levels 1, 2 & 3$259.99
  • Rocket French Levels 1, 2 & 3$259.99
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 trial2 variants$79.991 Year
  • Clozemaster Pro Annual7 Days trial$79.991 Year
  • Clozemaster Pro Yearly7 Days trial$79.991 Year

Questions

Is Rocket Languages free?
Rocket Languages is free to download, with in-app purchases available.
Is Clozemaster-Vocabulary Builder free?
Clozemaster-Vocabulary Builder is free to download, with in-app purchases available.
Which has better reviews, Rocket Languages or Clozemaster-Vocabulary Builder?
Clozemaster-Vocabulary Builder is rated higher. Rocket Languages averages 4.6 out of 5 from 2.6K ratings, while Clozemaster-Vocabulary Builder averages 4.8 from 2.1K ratings.
Do Rocket Languages or Clozemaster-Vocabulary Builder have ads?
Neither Rocket Languages nor Clozemaster-Vocabulary Builder shows ads.
Which is updated more often, Rocket Languages or Clozemaster-Vocabulary Builder?
Rocket Languages ships an update monthly, and Clozemaster-Vocabulary Builder every 11 days. Most recently, Rocket Languages was updated on October 24, 2026 and Clozemaster-Vocabulary Builder on October 24, 2026.

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