Comparison

OneBook vs 小词书

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

Head to head
About

OneBook

This app offers a comprehensive language learning experience by integrating audiobooks, podcasts, and videos. It features AI-powered tools for instant text explanations, vocabulary highlighting, and subtitle generation, supporting over 60 languages.

Highlights
  • AI Instant Tutor for text explanations
  • Auto-generated synchronized subtitles for audiobooks
  • Real-person narration for eBooks
  • Interactive PDF audio books
  • Efficient word and sentence lookup
  • Vocabulary level highlighting
  • Multiple reading modes including ADHD Bionic Reading
Features
Read full description

OneBook is a multilingual learning hub for shadowing audiobooks, podcasts, and videos—with AI context lookup while you read and listen. Core Features 【Audiobook Deep Learning】 【Exclusive Subtitle Generation】: First to support auto-generating synchronized subtitles for m4b/Audible audiobooks. Millions of Audible titles become readable and learnable. 【Real-Person Narration for eBooks】: Supports epub3 books narrated by real people (not synthetic TTS), enabling synchronized listening and reading. 【Interactive PDF Audio Books】: Tap on text within PDF picture books to play the corresponding audio, creating an interactive read-along experience. 【Intelligent Reading & Lookup】 【Efficient Word & Sentence Lookup】: Tap to look up a word, long-press to look up a sentence. Incorporates a feature similar to Kindle's Word Wise, significantly reducing lookup effort. 【AI Instant Tutor】: Select any text for instant AI explanations on grammar, context, sentence structure, and more—like having a personal teacher on hand. 【Vocabulary Level Highlighting】: Words are automatically color-coded based on difficulty, making key terms stand out at a glance. 【Multi-Mode Immersive Experience】 【Multiple Reading Modes】: Includes ADHD Bionic Reading, Cinematically-Scrolling, Immersive Focus Mode, Background Music Reading, Shadowing Practice, and more to suit different scenarios. 【Whisper-Style Audiobook】: Supports offline listening with optional ambient white noise, crafting a comfortable and focused listening experience. 【All-Platform Resource Integration】 Learn directly from videos and audio on platforms like YouTube, Bilibili, and Apple Podcasts. Supports OPDS catalogs for easy subscription to news, foreign periodicals, and magazines. Import personal resources via WebDAV or cloud storage, with real-time synchronization across multiple devices. 【Multilingual & Customizable】 Supports learning for 60+ global languages, including German, French, Italian, Spanish, and other less-commonly-taught languages. Compatible with importing any MDX dictionary file, allowing you to use your preferred word references. Supports custom AI models to tailor the Q&A experience to your needs. Learning Management & Statistics Pre-study new words before reading, with automatic tracking during your session. Detailed reading statistics and insights to help you track progress and outcomes. Why Choose Us? All in One: A single app integrates audiobooks, reading, video learning, vocabulary management, AI Q&A, and resource syncing. Constantly Evolving: Continuously updated with new features and improvements, with more exciting additions on the way. Welcome to Download and Experience Begin your efficient, immersive, and personalized language learning and reading journey today. Privacy Policy: https://www.onebook2025.top/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

小词书

This app simplifies vocabulary learning with intuitive swipe gestures, mimicking a proven A4 paper method. It utilizes spaced repetition and focus modes to enhance memorization without distractions like scores or leaderboards. Users can learn from built-in or custom word lists and track progress visually.

Highlights
  • Intuitive swipe gestures for learning
  • Spaced repetition algorithm
  • Focus modes for distraction-free study
  • Built-in and custom word lists
  • Progress tracking with heatmaps and charts
  • Customizable interface and automatic backup
Features
Read full description

厌倦了复杂、低效的背诵方式?「小词书」为你带来一种回归本质的单词记忆体验。我们摒弃华而不实的技巧,基于「短时高频」与「A4纸记忆法」,打造出一款真正沉浸、高效的抗遗忘工具。 短时高频循环 | 科学抗遗忘 记忆的关键在于重复的时机。「小词书」通过科学的复习周期,在你即将遗忘时精准推送,将短期记忆有效固化为长期记忆。 A4纸记忆法 | 极简视觉心流 享誉全球的A4纸记忆法,如今在手机上完美呈现。我们将单词化为极简卡片,通过纯粹的视觉分区,帮助你构建清晰的心流记忆地图。 沉浸式滑动 | 专注无需选择 没有复杂的按钮,没有冗余的步骤。你所需要做的,只是专注地左滑右滑。在这种近乎本能的交互中,你将快速进入高度专注的「心流」状态。 - 备考四六级、考研、托福、雅思,需要快速突破词汇关的你。 - 身处职场,希望提升英语竞争力,却苦于没有大块学习时间的你。 - 任何厌倦了传统背单词App,相信并追求「大道至简」学习哲学的你。 「小词书」不只是一款工具,它是一场关于学习本质的思考。我们坚信,最强大的方法往往最朴素。 立即下载,开启你的高效记忆之旅。

Screenshots

OneBook4 screens
小词书4 screens

Verdict

The call

The clearest difference is monetization model: 小词书 at free against OneBook's freemium. OneBook's advantage is ratings volume (64 vs 2) and iOS requirement (15.0 vs 17.0). On price, rating, update cadence and ads 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. OneBook sells 2 in-app purchases, starting at $8.00 per month and 小词书 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for OneBook against 5.0 for 小词书. That said, the two scores are not equally well evidenced: OneBook has 64 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
OneBook versus 小词书: the parameters behind the verdict, then further details
ParameterOneBook小词书
PriceFreeFree
Rating5.0 (64 ratings)5.0 (2 ratings)
Positive reviews97.3% of reviews—
Number of ratings64 — better2
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size229 MB35 MB
Age rating4+4+
Developer翊 林金超 杜

Customer experience

OneBook

All ratings64 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews37 reviews
Positive97.3%
Neutral2.7%
Negative0.0%

小词书

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

OneBook

Subscriptions1
  • OneBook Premium Monthly$8.001 Month
One-time1
  • AI Pack 1000$5.00
1 purchases

小词书

One-time1
  • 小词书Plus$4.99

Questions

Is OneBook free?
OneBook is free to download, with in-app purchases available.
Is 小词书 free?
小词书 is free to download, with in-app purchases available.
Which has better reviews, OneBook or 小词书?
OneBook and 小词书 are both rated 5.0 out of 5 on the App Store, from 64 and 2 ratings respectively.
Do OneBook or 小词书 have ads?
Neither OneBook nor 小词书 shows ads.
Which is updated more often, OneBook or 小词书?
OneBook ships an update weekly, and 小词书 weekly. Most recently, OneBook was updated on November 8, 2026 and 小词书 on October 30, 2026.

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