Comparison

小词书 vs 21天突破高频词汇

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

Head to head
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。

About

21天突破高频词汇

Features
Read full description

把难词,变成旧朋友。 《21天突破高频词汇》把 2,121 个核心词汇整理成 21 天学习计划。每天一组,先看全貌,再用词卡逐个学习,最后通过复习把掌握情况变成看得见的进度。 【每天都有清晰目标】 21 天分组呈现,不必面对一整本单词书。进入当天章节,一屏浏览全部单词,快速建立整体印象。 【词卡信息完整】 每张词卡包含单词、音标、词性、中文释义和例句,还可以点击按钮播放系统美式英语发音。左右滑动即可切换,保持连续学习节奏。 【两种复习方式】 可以按天复习,也可以从全部未掌握单词中随机抽查。先回想答案,再翻开词卡核对,减少“看着眼熟、合上就忘”的错觉。 【一次记住,进度清楚】 单词标记一次“已记住”后,就会进入已掌握状态并自动移出复习词池。整体进度页会显示已掌握和待复习的数量。 【离线、轻量、无负担】 无需注册账号,没有广告或 App 内购买。词库和学习进度均保存在设备本地,没有网络时也能学习。 【适配 iPhone Duo】 支持内外屏、横竖屏与动态窗口布局。折叠或展开时,继续当前的学习与复习。 适合希望用固定周期集中积累英语核心词汇、建立每日学习节奏的备考者和英语学习者。 21 天不是记忆的终点,而是一套更容易开始、也更容易坚持的学习安排。

Screenshots

小词书4 screens
21天突破高频词汇4 screens

Verdict

The call

The clearest difference is price: 小词书 at Free against 21天突破高频词汇's $0.99. 小词书 also leads on update cadence (weekly vs every 3 weeks). 21天突破高频词汇'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

CostPrice · In-app purchases · Ads · Monetization

小词书 is free to download; 21天突破高频词汇 costs $0.99 up front. 小词书 sells 1 one-off in-app purchase. 21天突破高频词汇 asks for nothing beyond the download.

UpkeepUpdate frequency

小词书 ships an update weekly, 21天突破高频词汇 every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
小词书 versus 21天突破高频词汇: the parameters behind the verdict, then further details
Parameter小词书21天突破高频词汇
PriceFree — better$0.99
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size35 MB3 MB
Age rating4+4+
Developer金超 杜鲁扬 王

In-app purchases

1 purchases

小词书

One-time1
  • 小词书Plus$4.99
None

21天突破高频词汇

No in-app purchases

Questions

Is 小词书 free?
小词书 is free to download, with in-app purchases available.
Is 21天突破高频词汇 free?
21天突破高频词汇 costs $0.99, with no in-app purchases.
Do 小词书 or 21天突破高频词汇 have ads?
Neither 小词书 nor 21天突破高频词汇 shows ads.
Which is updated more often, 小词书 or 21天突破高频词汇?
小词书 ships an update weekly, and 21天突破高频词汇 every 3 weeks. Most recently, 小词书 was updated on October 30, 2026 and 21天突破高频词汇 on October 31, 2026.

Other comparisons