Comparison

小书童 vs OneOpen

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

Head to head
About

小书童

This app consolidates reading notes from various sources like WeChat Read, Kindle, and physical books. It allows users to search, organize, and reflect on their reading history, with AI-powered insights and audio generation for members.

Highlights
  • Consolidate notes from WeChat Read, Kindle, and physical books
  • Search notes by keyword, author, or personal thoughts
  • AI-powered insights and question answering
  • Generate audio readings of notes and insights
  • Cross-device synchronization via iCloud
  • Daily 'Today's Encounter' feature for inspiration
  • Export notes and reading summaries
Features
Read full description

读过的书,让生活开始不同。 你在微信读书划过的线、Kindle 留下的摘录、纸书上记下的想法,都是你认真读过的痕迹。小书童把它们汇在一起,让你需要时找得到,遇到生活里的问题时,有自己的阅读可以回头参考。 积累的笔记,连起来竟如此有力。 把阅读笔记,放在同一处 一本书在微信读书,一本书在 Kindle,还有几页记在纸上。现在,书里的摘录和你自己的想法,可以按书整理在一起。 • 微信读书:从「设置 → 微信读书 Skill」复制自己的密钥,回来粘贴,取回划线与想法。首次书多时需要等一会儿,中断后可接着取,之后自动检查新划线。 • Kindle:导入 My Clippings.txt,在本机整理,不需要 Amazon 账户。 • 纸书:拍一页、框几行,在设备上识字,校对后保存;扫描原图不上传。 • 自己的笔记:直接写下句子、出处与想法,让自己的声音和原文放在一起。 想用的时候,找得到 记得一个词、一位作者,或一段自己写过的想法,就从同一个搜索入口找。笔记正文、个人想法、书名、作者和与书童的对话都能查找;点开结果,继续读原文和当时的记录。不同来源的笔记放在一起,不必先想它藏在哪个 App 里。 让读过的书,参与眼前的思考(会员) 遇到一个选择、想理清一个念头时,可以直接问书童: 「关于独处,我以前记下过哪些想法?」 「这些不同书里的句子,有什么联系?」 「结合这几条笔记,帮我换个角度想想眼前的问题。」 书童在你同意后,结合相关笔记、书单与已确认的阅读记忆回答,尝试把不同书里的线索连起来。回答中的笔记引用可以点开,回到原文与自己的想法,再继续判断、追问。也可以主动选择书页图片来问,图片需另行同意。AI 可能出错,请以原文和自己的判断为准。 有些启发,从重读开始 「今日相逢」每天从自己的笔记里带回几句,让过去打动你的话,和今天的处境再碰一次面。想读一点新的理解,可以手动生成一支「书童洞见」(会员);也可自行选择自动生成周期与月预算。旧笔记还可以设为提醒,或从主屏小组件进入;组件默认隐藏私人文字。 翻开 iPhone Duo,就是一张书桌 我们为 iPhone Duo 下了很大功夫:展开时侧栏常驻,笔记、洞见与原文一屏铺开,按钮收进系统竖栏;合上后,外屏照常记、照常读。读过的句子摊开、对照着看,更容易内化成自己的。 把思考带在身边 • 听读(会员):把书摘、想法与书童解读生成朗读,走路、通勤时继续想;重播已有音频不再扣点 • 跨设备同步(会员):在自己的系统 iCloud 中同步书目、笔记、想法、阅读状态、分组及当前账户的对话与配图;购买或恢复后默认开启,可随时关闭 • 分享与整理:生成完整书摘分享图,管理阅读状态,按年、按月回看读完的书 • 下一本书:「此刻读什么」提供每天 AI 编选、有来源的推荐;可浏览书单、检索书目,打开已核实的微信读书版本,或用搜索继续找 你的阅读,留在自己手里 普通使用无需注册或手动登录。记录、微信读书同步、Kindle 导入、查找、阅读、编辑和 JSON 导出免费;iPhone 与 iPad 均为原生应用。 微信读书密钥默认只保存在本机钥匙串,可另行选择 iCloud 钥匙串同步,不发给小书童服务器或 AI。不投放广告,不做追踪;AI 资料、图片与联网查询分别征求同意,处理与保存期限见隐私政策。App 内可删除云端账户,并选择将 Kindle、手动和纸书资料保留在本机或一并删除;删除不会取消 Apple 订阅。 会员与 AI 点数 问书童、书童洞见、生成朗读与 iCloud 阅读同步需要有效会员。月付与年付享有相同权益,每月获得 200 点;年付一次按年收费,点数按购买日逐月发放,全年 12 次。AI 并非无限使用:即时回答 2 点、深度思考 10 点、手动洞见 2 点;生成朗读的消耗在生成前显示,明细可查。查看洞见邀请卡不扣点,自动生成默认关闭。 价格以 App Store 当地显示为准。订阅按所选周期自动续订,除非在当前周期结束前至少 24 小时关闭自动续订;确认购买后由 Apple 账户付款,可在 App Store 管理或取消。购买与恢复不需要另行使用「通过 Apple 登录」。 阅后,有期。 小书童不是微信读书或 Kindle 的官方应用。 使用条款:https://xiaoshutong.app/terms Apple 标准许可协议:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 隐私政策:https://xiaoshutong.app/privacy

About

OneOpen

View a wide range of file types, including documents, web pages, CAD drawings, and 3D models, directly on your iPhone and iPad. Easily open and manage archives, EPUBs, emails, and certificates. Offers basic viewing for free with advanced features available through a subscription.

Highlights
  • Multi-format file viewing
  • HTML and Markdown preview
  • CAD and 3D model rotation
  • Archive browsing and extraction
  • EPUB reader
  • Certificate inspection
  • File information display
Features
Read full description

OneOpen is a multi-format file viewer for iPhone and iPad. Open documents, web pages, CAD drawings, 3D models and archives from Files, Mail and apps that support document sharing. HTML and Markdown Preview HTML, HTM and XHTML pages. Read Markdown / MD notes with headings, a table of contents, tables, code fences, task lists, footnotes and reference links. ZIP websites retain local images, styles and relative resources. Markdown in packages can display supported local images. Ordinary HTML allows restricted HTTPS/WSS networking by default, with offline and Safe Preview options. Markdown does not run scripts or load remote images. CAD drawings and 3D models (Advanced) • Pan, zoom and toggle layers in supported DWG/DXF 2D model-space drawings. • Rotate STEP/STP, IGES/IGS, BREP/BRP, STL, OBJ and PLY models, including PLY vertex colors and point clouds. • ZIP a complete OBJ model folder to load supported MTL materials, PNG/JPEG textures, normals, transparency and groups. A standalone OBJ shows geometry without reading private neighboring files. • Preview supported static GLB / glTF 2.0 geometry, nodes, basic materials and PNG/JPEG textures. Model ZIPs retain relative resources. JSON and model information have separate views. • USDZ starts in object view; choose AR when needed. • Included models and engineering drawings demonstrate supported features. Everyday viewing is free Read PDF, Office/iWork, images, audio/video, JSON, XML, YAML, CSV, code and text. PDF supports continuous reading, zoom, search and page controls that hide while scrolling. Edit supported text in an independent working copy. Archives and EPUB Browse supported ZIP/7Z/RAR/TAR, GZ/BZ2/XZ/Zstandard/LZ4/LZMA/Z, CAB/CPIO/AR/XAR/ISO9660/LHA and TAR combinations. Open/share entries; extract to Files. ZIP/EPUB are free; others need Advanced Access. EPUB follows the declared chapter order, with a table of contents, previous/next controls, current-chapter search and reading settings. Pages stay offline. A chapter error keeps navigation available. DRM, media overlays, annotations and whole-book search are unsupported. Email, certificates and information Decode EML headers, body text, common character encodings and attachment filenames. Open or share readable attachments independently. HTML email becomes text without loading remote content. Decryption, signature verification and TNEF extraction are not provided. Inspect public CER, DER, CRT and PEM certificate subjects, issuers, validity, algorithms, public keys, usages and SHA-256 fingerprints. Certificates are never installed and device trust is not evaluated. File Information includes PDF metadata, image/camera properties, media tracks, text encoding/line counts and archive summaries. Open from other apps Skippable onboarding uses real iOS screenshots to explain More, Edit and favorite ordering in the share sheet. Revisit it in Settings. Categories, Recents and widgets help you return to files. Advanced Access and compatibility An annual membership or a one-time lifetime purchase unlocks the same specialized features. Check format details before purchasing. DWG supports selected 2D model-space content; DXF supports text files. CAD editing, engineering measurement, native SolidWorks and full external references are unsupported. Compressed glTF geometry, skins and active morphs require conversion. Animation is static; advanced materials may be approximate. ZIP complete model folders, or use self-contained GLB for single-file sharing. Supported ZIP AES/ZipCrypto, 7z AES and RAR4/5 AES/solid archives can open; multipart, Deflate64, Implode and ARJ are unsupported. Native previews depend on iOS codecs/variants. Privacy No account, ads, analytics or document uploads. Non-HTML previews stay offline. HTML and ZIP websites may run JavaScript and connect over HTTPS/WSS in an isolated environment; offline and Safe Preview modes are available. Terms: https://oneapps.studio/terms Privacy: https://oneapps.studio/privacy

Screenshots

小书童4 screens
OneOpen4 screens

Verdict

The call

The clearest difference is review sentiment: 小书童 at 100% against OneOpen's 57%. 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. 小书童 sells 2 in-app purchases, starting at $0.99 per month and OneOpen sells 2 in-app purchases, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

小书童 ships an update every 3 days, OneOpen every 4 days. The most recent releases landed on November 5, 2026 and November 8, 2026 respectively.

Scorecard1 real difference · 9 level
小书童 versus OneOpen: the parameters behind the verdict, then further details
Parameter小书童OneOpen
PriceFreeFree
Rating4.0 (1 ratings) — better—
Positive reviews100.0% of reviews — better57.1% of reviews
Number of ratings1 — better—
Update frequencyEvery 3 days — betterEvery 4 days
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size79 MB76 MB
Age rating9+4+
Developer建锋 林Freedom Dimension (shenzhen) Technology Co., Ltd

Customer experience

小书童

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

OneOpen

Written reviews7 reviews
Positive57.1%
Neutral14.3%
Negative28.6%

In-app purchases

2 purchases

小书童

Subscriptions2
  • Shutong Monthly$0.991 Month
  • Shutong Annual$9.901 Year
2 purchases

OneOpen

Subscriptions1
  • Advanced Access Annual$0.991 Year
One-time1
  • Advanced Access Lifetime$2.99

Questions

Is 小书童 free?
小书童 is free to download, with in-app purchases available.
Is OneOpen free?
OneOpen is free to download, with in-app purchases available.
Do 小书童 or OneOpen have ads?
Neither 小书童 nor OneOpen shows ads.
Which is updated more often, 小书童 or OneOpen?
小书童 ships an update every 3 days, and OneOpen every 4 days. Most recently, 小书童 was updated on November 5, 2026 and OneOpen on November 8, 2026.

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