SlovoBox vs FluentHub
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Private, offline language vault
- Immersive stories with audio
- Active recall quizzes
- Specialized tools for Russian/Japanese
- Home screen widgets
- Adjustable audio speed
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=== 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.
FluentHub
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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
Verdict
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
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.
SlovoBox ships an update fortnightly, FluentHub weekly. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.
| Parameter | SlovoBox | FluentHub |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 92 MB |
| Age rating | 4+ | +12 |
| Developer | Jonathan Pair | Ali Tavakoli |
In-app purchases
SlovoBox
- Support the Developer$3.99
FluentHub
- Monthly Premium$9.991 Month
- Yearly Premium7 Days trial$77.901 Year









