Comparison

SlovoBox vs FluentHub

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

Head to head
About

SlovoBox

Master vocabulary and reading in multiple languages with a private, offline toolkit. Features immersive stories, active recall quizzes, and specialized tools for languages like Russian and Japanese. Focus on learning without distractions or data tracking.

Highlights
  • Private, offline language vault
  • Immersive stories with audio
  • Active recall quizzes
  • Specialized tools for Russian/Japanese
  • Home screen widgets
  • Adjustable audio speed
Features
Read full description

=== SLOVOBOX: YOUR PRIVATE LANGUAGE VAULT === Master your target language with a professional toolkit. Whether you are conquering Arabic, Russian, Spanish, Italian, French, or Japanese, SlovoBox provides the depth and privacy needed for functional fluency. === WHY SLOVOBOX IS DIFFERENT === Tired of subscriptions, forced accounts, and data tracking? SlovoBox is a private vault that lives on your device. [PRIVACY] No accounts required. Start learning instantly. [SECURITY] Your progress and metrics stay on your device. [FOCUS] Zero ads. Zero distractions. Just progress. === NEW IN 2.0: THE READING ROOM === Don't just memorize words, see them in context with our immersive stories. [CONTENT] 35 plus narratives across 4 difficulty levels. [AUDIO] Listen with adjustable "tortoise to hare" speed controls. [LOOKUP] Long-press any word for a dictionary definition. [MASTERY] Mark stories as Finished to watch your progress grow. === ELITE STUDY TOOLS === [QUIZ] Hidden translations for active recall. [RUSSIAN] Specialized word stress marks for pronunciation. [JAPANESE] Toggle between Kanji and Romaji easily. [GESTURES] Swipe to rank your mastery status instantly. [WIDGETS] Keep vocabulary visible on your Home Screen. 100% PRIVATE AND OFFLINE: Your entire library works on a plane, the subway, or deep off the grid.

About

FluentHub

Features
Read full description

Learn languages with videos, graded stories, an AI tutor, and smart flashcards—all in one app. FluentHub helps you understand real language, not just memorize it. Read leveled stories, watch curated videos, practice speaking with AI roleplay, and review vocabulary with spaced repetition (A1–C1). Tap any word for instant translation, pronunciation, collocations, and AI explanations—in stories, videos, and practice modes. No guessing. No interruptions. Learn with stories & videos (A1–C1) Learn from content designed for your level. Every word is interactive: • Instant translations • Pronunciation & part of speech • Root form & usage • Collocations & real examples • AI explanations when you need more Turn passive watching into active learning. Practice with AI Speak and build real confidence—not just pass quizzes. • AI tutor for grammar help and corrections • Speaking practice with voice feedback • 95+ roleplay scenarios (restaurant, travel, interviews & more) • Avatar conversations and listening practice Use what you learn in real conversations. Smart flashcards & vocabulary training Save words as you read and watch—they flow into your review deck automatically. • Spaced repetition for long-term memory • Active Recall and Matching Pairs • Build vocabulary without extra work AI that actually teaches Not just translations—real understanding. • Learn how words are used in context • Get simple, clear explanations • Understand faster, remember longer Like having a tutor for every word. Structured learning • CEFR levels from A1 to C1 • Learn by topic and level • English, German, French, Spanish, Japanese, Chinese & more • Improve vocabulary, grammar & comprehension Stop guessing. Start understanding. FluentHub helps you: • Learn directly in context • Build real communication skills • Progress with smarter tools Free to start. Try core features free—Premium unlocks advanced AI and higher usage. Also available: Chrome extension with dual subtitles for YouTube & Netflix. Same FluentHub account syncs across app and browser. https://www.fluenthub.app Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SlovoBox4 screens
FluentHub4 screens

Verdict

The call

The clearest difference is iOS requirement: FluentHub at 15.0 against SlovoBox's 17.6. On price, update cadence, ads and in-app purchases 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. SlovoBox sells 1 one-off in-app purchase and FluentHub sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SlovoBox ships an update fortnightly, FluentHub weekly. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 8 level
SlovoBox versus FluentHub: the parameters behind the verdict, then further details
ParameterSlovoBoxFluentHub
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size25 MB92 MB
Age rating4++12
DeveloperJonathan PairAli Tavakoli

In-app purchases

1 purchases

SlovoBox

One-time1
  • Support the Developer$3.99
2 purchases

FluentHub

Subscriptions2
  • Monthly Premium$9.991 Month
  • Yearly Premium7 Days trial$77.901 Year

Questions

Is SlovoBox free?
SlovoBox is free to download, with in-app purchases available.
Is FluentHub free?
FluentHub is free to download, with in-app purchases available.
Do SlovoBox or FluentHub have ads?
Neither SlovoBox nor FluentHub shows ads.
Which is updated more often, SlovoBox or FluentHub?
SlovoBox ships an update fortnightly, and FluentHub weekly. Most recently, SlovoBox was updated on October 31, 2026 and FluentHub on October 28, 2026.

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