Read Sentences vs SlovoBox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Read Sentences
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This app helps you learn sentences from classic books, allowing you to learn practical Japanese and Chinese in context. - Learn through the comparison of three languages: Chinese, English, and Japanese - Intelligent sentence difficulty ranking ensures you progress from easy to difficult, so you don't have to worry about books being too hard to start with - High-quality sentence translations help you understand on a deeper level - Supports human voice reading of sentences - Provides a review function to consolidate your learning achievements - Sentence sharing function to share your learning achievements with friends - Daily learning reminders
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.
Screenshots
Verdict
The clearest difference is update cadence: Read Sentences at every 3 days against SlovoBox's fortnightly. On price, ads, in-app purchases and device support 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. Read Sentences sells 1 one-off in-app purchase and SlovoBox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Read Sentences ships an update every 3 days, SlovoBox fortnightly. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.
| Parameter | Read Sentences | SlovoBox |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 29 MB | 25 MB |
| Age rating | 12+ | 4+ |
| Developer | 俊彦 何 | Jonathan Pair |
In-app purchases
Read Sentences
- Pro$1.99
SlovoBox
- Support the Developer$3.99









