Pinyin Reader vs Modu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pinyin Reader
This reading tool automatically adds pinyin annotations to Chinese characters on web pages and PDFs. It offers translation, text-to-speech playback, and pronunciation practice to enhance learning efficiency and pronunciation skills.
- Automatic pinyin annotations
- Integrated web and PDF reader
- Character definition and pronunciation lookup
- Sentence-by-sentence text-to-speech
- Pronunciation assessment and shadowing practice
- Vocabulary and sentence saving
- Ad-free reading experience
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Pinyin Reader - A smart reading tool designed for Chinese language learners. Browse any Chinese web page with automatic pinyin annotations on Chinese characters. Whether you're a beginner or an advanced learner, Pinyin Reader helps improve your reading efficiency and pronunciation skills. Key Features: SMART PINYIN ANNOTATIONS - Built-in browser that automatically adds pinyin to Chinese characters - Color-coded tonal pinyin and toneless display modes - One-tap toggle for pinyin display - Powered by a proprietary self-trained model for superior annotation accuracy HSK LEVEL FILTER - Choose your level, from HSK 1 to HSK 7-9 - Pinyin fades from the words you already know - Names, proper nouns and technical terms keep their pinyin - Works in Reader Mode, the PDF reader and the built-in browser - Applies instantly, covers 6,330 words, fully offline IMMERSIVE READER MODE - Ad-free, distraction-free reading experience - Adjustable font size, font style, and background themes - Tap any character to view definitions and hear standard pronunciation TRANSLATION - Translate page content into 108 target languages - Seamless translation integrated within Reader Mode PDF READER - Open local PDF files with automatic pinyin annotations - Translate PDF content into your target language - Tap characters for pronunciation and dictionary lookup - Outline navigation, text/pinyin search, and theme switching - Pinyin scales with the page as you pinch to zoom, sharp at any level - Never overlaps the text or clips tone marks LISTENING MODE - Sentence-by-sentence text-to-speech playback - Karaoke-style pinyin highlighting synced with audio playback - Adjustable speed (0.4x to 2.0x) for different proficiency levels - Current sentence highlighting for easy follow-along VOICE CUSTOMIZATION - Browse all Chinese speech synthesis voices available on your device - Preview each voice before selecting - Supports system voices and third-party TTS engines SHADOWING PRACTICE - Record your reading after listening to the reference audio - Intelligent scoring system for real-time pronunciation assessment - Continuous improvement of your Mandarin pronunciation COLLECTION & NOTES - Save vocabulary and favorite sentences for review - Add personal notes with color tags - Archive management organized by source page LEARNING GROWTH SYSTEM - Daily learning streak to build consistent habits - Customizable daily goals (5 to 60 minutes) - XP rewards for reading, listening, shadowing, reviewing, and collecting - 3 daily quests at starter, core, and challenge levels - 6 achievement milestones from first session to mastery - Share a redesigned card with streak, stats, vocabulary, and QR code - Optional daily reminders to keep your streak alive BOOKMARKS & HISTORY - Bookmark frequently visited pages - Automatic browsing history grouped by date - Search and batch management support MULTI-LANGUAGE SUPPORT - Interface available in 51 languages - Google and Bing search engine support PRIVACY FIRST - All data stored locally on your device - No registration or login required - No personal data collected Whether you're reading news, novels, or academic articles, Pinyin Reader is your perfect companion for learning Chinese. Download now and start your efficient Chinese reading journey! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Modu
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Read Chinese stories, understand unfamiliar words, and build vocabulary from what you read. Modu combines graded reading, a tap-to-lookup dictionary, and spaced-repetition review in one app. Choose a graded story or import your own EPUB and TXT books. Tap unfamiliar words for pinyin and meanings, save vocabulary in context, and review it later. READ WHAT INTERESTS YOU • Explore a library of graded retellings of public-domain stories. • Import EPUB and TXT books to read with built-in learning tools. • Generate AI stories based on your selected topic and level, with vocabulary you are due to review. • Follow RSS feeds. Available article text depends on the source; some feeds provide summaries only. UNDERSTAND AS YOU READ • Tap words for pinyin, meanings, and measure words. • Use AI explanations to explore a word in the context of a sentence. • Translate sentences and paragraphs into English on your device, or read with a bilingual chapter view. • Listen to text with read-aloud tools. REMEMBER WORDS IN CONTEXT • Save vocabulary from your reading and review it with spaced-repetition flashcards. • Mark words as known to focus highlighting on unfamiliar vocabulary. • Track your reading and vocabulary progress, and export your vocabulary. OFFLINE READING AND YOUR ACCOUNT Read and save books on your device as a guest, without creating an account. Books already on your device and core reading tools work offline. On-device translation requires an initial language-model download. AI features and natural online voices require an internet connection. Sign in to back up your vocabulary. Modu Plus also syncs reading progress and other learning data across devices. Imported book files remain on your device; import the same books on another device to continue reading there. FREE + MODU PLUS Free features include reading, dictionary lookup, on-device translation, bilingual reading, vocabulary review, book imports, RSS, the story library, and basic read-aloud. Limited AI explanations and story generation are included. Modu Plus adds higher AI usage allowances, natural multi-voice read-aloud, and additional learning-data sync. AI and natural-voice usage limits apply. See the in-app purchase screen for available plans and current allowances. Start with a story, and build your Chinese one reading session at a time. Terms of Use (EULA): https://modu-ai-proxy.zhouxuehan101.workers.dev/terms Privacy Policy: https://modu-ai-proxy.zhouxuehan101.workers.dev/privacy
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Verdict
Pinyin Reader and Modu are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
Pinyin Reader ships an update every 2 weeks, Modu weekly. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.
| Parameter | Pinyin Reader | Modu |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.5 |
| Further details — not scored | ||
| Size | 135 MB | 148 MB |
| Age rating | 17+ | 4+ |
| Developer | 粤珠 袁 | 雪寒 周 |
In-app purchases
Pinyin Reader
No in-app purchases
Modu
No in-app purchases









