ISBN vs iSutra
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ISBN
This app helps users quickly find detailed information about books using their ISBN. It allows for barcode scanning, saving favorites, and viewing book covers. Ideal for readers, librarians, and publishers.
- ISBN lookup
- Barcode scanning
- Book collection
- Search history
- Cover preview
- Information copying
- Dark mode
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ISBN是一款专注于国际标准书号查询的工具应用,帮助读者、图书馆员、出版从业者快速获取图书出版信息。 ISBN编码由13位数字组成,包含图书类别、出版地区、出版社、书序号和校验码,是全球通用的图书唯一标识。本应用覆盖国内外出版物数据,持续更新,为您提供准确的图书信息查询服务。 主要功能: ISBN查询:输入13位ISBN编号,即刻获取图书的书名、作者、出版社、出版日期、定价、页数、装帧、开本等详细信息 条形码扫描:使用相机扫描图书背面条形码,自动识别ISBN编号并查询 图书收藏:收藏常用图书,方便随时查看 查询历史:自动保存查询记录,支持快速回查 封面预览:查看图书封面大图,支持缩放浏览和保存到相册 一键复制:复制ISBN编码或完整图书信息,方便引用和分享 个性化设置:支持深色模式和多种主题切换 适用人群: 读者: 在书店或图书馆快速了解图书信息 图书馆员: 高效录入和核对图书编目数据 出版从业者: 查询出版信息和编码归属 二手书商: 快速扫码识别图书并获取定价参考 学生和研究者: 查找文献引用所需的出版信息
iSutra
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iSutra is an offline sutra reading and practice app. Open a Daily Sutra, compare Chinese and English with optional vernacular notes and pinyin, follow recitation highlighting, trace a line by hand, and dedicate the day. No account, no ads, no tracking. Texts are built in and work without a network. For study and cultural learning only. This is not just a source-text browser. The category is crowded. iSutra puts the difference in bilingual reading, highlighted recitation, woodfish counting, handwritten tracing, daily practice, and a Daily Sutra that reaches you through widgets, Lock Screen, Control Center, and voice shortcuts. It is made for education and cultural study. It does not tell fortunes. Built-in library Browse Prajna, Lotus, Avatamsaka, Pure Land, Ksitigarbha, esoteric mantras, Chan, Forty-two Chapters, and Eight Awakenings. Long works open by section: Diamond in thirty-two parts and Ksitigarbha in thirteen chapters, still offline. Also included: Heart Sutra, Amitabha Sutra, Universal Gate, Platform Sutra, Samantabhadra vows, Medicine Buddha vows, and mantra excerpts. It does not claim to be the whole canon. 1. Daily Sutra: today's text, continue reading, famous lines, local reminders, and shortcuts to recitation, chanting, copy-sutra, practice, study, random, and keyword hunt. A widget can switch it. 2. Bilingual close reading: bilingual, Chinese only, or English only. Toggle vernacular, English, and pinyin. Interface in Simplified Chinese, Traditional Chinese, and English. Type size, vertical layout, section navigation, notes, history, and immersive mode. 3. Recitation studio: line highlighting, adjustable pace and voice, continuous play, background audio, lock-screen remote, looping, and a Live Activity where allowed. 4. Woodfish chanting: today, lifetime, and streak counts. Targets such as 27, 54, 108, or 1080. Wood, deep, bright, soft, and qing sounds. Progress on the Daily Chant widget and Lock Screen. 5. Copy-sutra tracing: on iPhone and iPad, trace a line on paper-like canvas. Switch ink, thickness, and pen. Undo a stroke. Guide text can be tracing, faint, or hidden. Save a line to Photos or export the whole text. 6. Daily practice: separate morning and evening lists, check items, mark the day complete, and read or write a dedication. 7. Chant study: fade, fill-in, check, and quiz. Mark familiar, learned, or mastered. Keyword Hunt asks you to recall a line from a character. 8. Browse: find a text by category, theme, or translator. Diamond and Ksitigarbha open a volume catalog first. Layout can be list, grid, or cards. 9. Favorites: star a text, build lists, read in sequence, or study in a batch. Optional cloud sync is available. 10. Search: Chinese or English in titles, translators, and lines. System search, deep links, and Home Screen quick actions open Daily Sutra, recitation, chant, copy-sutra, practice, and more. 11. Widgets and system: Daily Sutra, famous lines, favorites, study progress, and Daily Chant on Home Screen, Lock Screen, and StandBy. Live Activities for reading and chanting. Control Center can hold Daily Sutra, recitation, chant, practice, and more. 12. Dharma cards: turn a line into a card, pick a style, save to Photos, or share. 13. Look and data: accents and alternate icons. Settings cover language, pinyin, vertical text, Live Activities, voice, pace, and notifications. Data stays on device by default. Optional system cloud sync can update favorites, lists, practice, chant counts, progress, history, and notes. 14. Privacy: no account, no ads, no third-party analytics. Core reading is offline and is not uploaded. Source texts are public-domain Chinese translations. Some English is public-domain or study wording. Vernacular notes are for learning, not religious instruction or academic authority. Read one sutra into one day. Welcome to iSutra.
Screenshots
Verdict
The clearest difference is price: ISBN at Free against iSutra's $0.99. iSutra's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement 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
ISBN is free to download; iSutra costs $0.99 up front. ISBN sells 1 one-off in-app purchase. iSutra asks for nothing beyond the download.
| Parameter | ISBN | iSutra |
|---|---|---|
| Price | Free — better | $0.99 |
| Positive reviews | 66.7% of reviews | — |
| Update frequency | Every 5 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Wuhan Xingyun Technology Co., Ltd. | 天从 何 |
In-app purchases
ISBN
- ISBN Pro$0.99
iSutra
No in-app purchases





