Comparison

Clozemaster-Vocabulary Builder vs FLOOX reader

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 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!

About

FLOOX reader

This app uses the RSVP method to significantly increase reading speed and comprehension. It presents words one at a time, making reading more engaging and less tiring on the eyes. Regular use can improve overall reading habits and concentration.

Highlights
  • RSVP speed reading method
  • Supports EPUB, MOBI, FB2, PDF, TXT, HTML
  • Automatic link loading
  • Adjustable reading speed and delays
  • Contextual word display
  • Customizable colors and RTL support
Features
Read full description

Have you ever wanted to read some book, but it felt like it needed too much time and was simply boring? FLOOX will make reading much faster and much more fun (once you get a hang of it ;) It is based on RSVP (Rapid Serial Visual Presentation) method, which has been scientifically proven to increase the reading speed by 33% while retaining the same comprehension level (G. Öquist, M. Goldstein). While most speed-reading techniques require a lot of self-discipline to keep a high speed, FLOOX keeps the speed you choose, so that you can relax and concentrate on the meaning. Reading becomes like watching a movie, while remaining a great exercise for your brain. Since words on the screen are always moving and grabbing your attention, concentrating on reading is also much easier than for a static text, where your mind tends to wonder away because there is no action. The basis of any speed reading is to reduce the vocalization: understand the words without pronouncing them with your internal voice; and FLOOX helps you achieve this. So your regular reading will also improve after using FLOOX! Besides, since you only need to see one word a time, you can use a much larger font and hold the device farther away, which is less tiring on your eyes and saves your vision. Remember: this method requires a skill. You can truly appreciate it only after practicing it for a couple of weeks. + Supports EPUB, MOBI, FB2, PDF, TXT and HTML files, Copy-Paste and Sharing. There are many websites to convert other formats to EPUB or FB2. + When pasting or sharing links, they are loaded automatically, so you can read the news or Wikipedia using FLOOX + See the remaining time to finish the book and the estimated speed (words per minute) + Easily increase/decrease speed or fine-tune all delays to make it behave exactly as you want + See the words surrounding the current words, to roughly understand the context and look ahead or behind when needed + Set colors you like + Right-to-Left support + Chinese and Japanese languages support You can purchase a 1-year AD-FREE subscription! Terms of Use: http://astrate.ch/terms_of_use_floox_free.html

Screenshots

Clozemaster-Vocabulary Builder4 screens
FLOOX reader3 screens

Verdict

The call

The clearest difference is update cadence: Clozemaster-Vocabulary Builder at every 11 days against FLOOX reader's every 9 months. Clozemaster-Vocabulary Builder also leads on ratings volume (2.1K vs 5). FLOOX reader's advantage is iOS requirement (13.0 vs 16.4). On price, rating, review sentiment 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. Clozemaster-Vocabulary Builder sells 8 in-app purchases, starting at $8.99 per month and FLOOX reader sells 1 in-app purchase, starting at $3.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Clozemaster-Vocabulary Builder against 4.8 for FLOOX reader. That said, the two scores are not equally well evidenced: Clozemaster-Vocabulary Builder has 2.1K ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 83% of Clozemaster-Vocabulary Builder's written reviews are positive against 80% of FLOOX reader's.

UpkeepUpdate frequency

Clozemaster-Vocabulary Builder ships an update every 11 days, FLOOX reader every 9 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Clozemaster-Vocabulary Builder versus FLOOX reader: the parameters behind the verdict, then further details
ParameterClozemaster-Vocabulary BuilderFLOOX reader
PriceFreeFree
Rating4.8 (2.1K ratings) — better4.8 (5 ratings)
Positive reviews82.5% of reviews — better80.0% of reviews
Number of ratings2.1K — better5
Update frequencyEvery 11 days — betterEvery 9 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.413.0 — better
Further details — not scored
Size83 MB37 MB
Age rating+124+
DeveloperLanguage Innovation LLCAnton Lastochkin

Customer experience

Clozemaster-Vocabulary Builder

All ratings2,067 ratings
Positive95.7%
Neutral1.5%
Negative2.8%
Written reviews544 reviews
Positive82.5%
Neutral6.6%
Negative10.8%

FLOOX reader

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive80.0%
Neutral10.0%
Negative10.0%

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

FLOOX reader

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 trial2 variants$79.991 Year
  • Clozemaster Pro Annual7 Days trial$79.991 Year
  • Clozemaster Pro Yearly7 Days trial$79.991 Year
1 purchases

FLOOX reader

Subscriptions1
  • FLOOX without advertisements$3.991 Year

Questions

Is Clozemaster-Vocabulary Builder free?
Clozemaster-Vocabulary Builder is free to download, with in-app purchases available.
Is FLOOX reader free?
FLOOX reader is free to download, with in-app purchases available.
Which has better reviews, Clozemaster-Vocabulary Builder or FLOOX reader?
Clozemaster-Vocabulary Builder is rated higher. Clozemaster-Vocabulary Builder averages 4.8 out of 5 from 2.1K ratings, while FLOOX reader averages 4.8 from 5 ratings.
Do Clozemaster-Vocabulary Builder or FLOOX reader have ads?
Neither Clozemaster-Vocabulary Builder nor FLOOX reader shows ads.
Which is updated more often, Clozemaster-Vocabulary Builder or FLOOX reader?
Clozemaster-Vocabulary Builder ships an update every 11 days, and FLOOX reader every 9 months. Most recently, Clozemaster-Vocabulary Builder was updated on October 29, 2026 and FLOOX reader on October 24, 2026.

Other comparisons