Comparison

不背单词 vs 知米背单词

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

Head to head
About

不背单词

Learn English vocabulary with over 1.5 million native speaker example sentences. This app uses a science-based memory curve, root analysis, and authentic phrases to help you remember words effectively. It covers all learning stages and exam needs.

Highlights
  • 1.5 million+ native speaker example sentences
  • 50,000+ phrase collocations
  • 2,000+ root and affix lessons
  • 5,000+ derivation trees
  • Authentic Collins English-Chinese dictionary
  • All-stage vocabulary banks
  • Ebbinghaus memory curve review
Features
Read full description

【内容,非常全面】 ▪ 150万+原声例句,在英美剧纪录片中学单词 ▪ 5万+词组搭配,海量单词用法,活学活用 ▪ 2000+词根词缀,覆盖近2万词条,用英文的偏旁部首串记单词 ▪ 5000+棵派生树,覆盖2万+词条,速记词族神器 ▪ 正版柯林斯英汉双解词典,用英文理解英文 ▪ 全阶段词库,覆盖小学、初中、高中、大学、留学等全阶段需求 ▪ 200+主流词汇书和英语教材词表,配合纸质书,同步学习 ▪ 近义词、反义词、单词变形,关联记忆更高效 【考试重点,非常突出】 ▪ 考义高亮,加粗显示考过的词义,常考词义重点学 ▪ 考点标记,加粗显示考过的词组,核心考点重点记 ▪ 17万+条历年真题例句,覆盖中考、高考、四六级、考研和专升本 【记忆,非常有效】 ▪ 艾宾浩斯记忆曲线,智能规划复习,高效抗遗忘 ▪ 原声例句,帮你理解单词在真实语境中的用法,理解了才好记 (≧ω≦) ▪ 词根词缀,帮你理解单词的内部结构,理解了才好记 o(^▽^)o ▪ 地道搭配,帮你理解单词的多个词义,理解了才好记 \\(*^▽^*)// ▪ 拼写测试,学完一组拼一拼,会写才肯罢休 【坚持,非常容易】 ▪ 签到送酷币,组队打卡奖励更多 ▶不背成绩单 ▪ 200000+ 五星好评 ▪ App Store 首页推荐 ▪ App Store 背单词推荐应用 ▶不背成长关爱热线 ▪ 不背单词应用内:头像 > 更多设置 > 帮助与反馈 ▪ 微博 / 公众号:不背单词App

About

知米背单词

This app offers a fun and effective way to memorize English vocabulary, with seven mnemonic methods and scientific review techniques. It also includes grammar lessons and reading practice with authentic materials.

Highlights
  • Seven mnemonic methods for memorization
  • Scientific review in context
  • Comprehensive study data statistics
  • 10-hour grammar mastery
  • Practice with authentic reading materials
  • Daily bilingual news and classic books
Read full description

知米背单词不仅是高效记单词的利器,还是学语法、练阅读的好助手。 知米背单词让背单词不枯燥,容易记: 【七种助记】 提供了七种助记方式:形近助记、词根助记、词缀派生、合成词、联想记忆、谐音记忆和图片记忆,对每个单词选择较优的方式帮你记住。 【科学的复习】 在例句场景中复习单词,这是一种更符合记忆规律的复习方式,让记住的单词不容易忘记。另外,还提供了丰富的加练方式,包括听音辨意、全拼练习、听音复习等方式。 【数据统计】 有较全面的学习数据,让你随时了解自己的学习进度,包括你所背诵的每一个单词的熟悉度、本次学习错误次数和剩余待复习次数、累计学习单词、累计学习时长、记忆曲线和毅力曲线等。 APP中的语法模块不同于传统英语语法教学,我们目标是帮你10小时内学通语法。 知米英语语法的特色: 1、有清晰的语法体系 主要的语法点都在一个框架图中呈现,脉络清晰。 2、从原理上讲透每个语法知识点 让学习者知其然,也知其所以然。 3、拒绝死记硬背 每个语法点在理解的基础上记住。 APP中的真题阅读: 1、我们提供了包括高中、四六级、考研、雅思托福在内的真题供同学们阅读。当然,对于想要从更广范围汲取英文知识的同学,我们还提供每日的双语新闻和经典的英文书籍。 我们衷心地感谢各位同学对我们的支持和信任。我们会不断迭代自己的产品和内容,争取带给同学们更多英语学习上的改善。 我们的联系方式: 知乎:知米背单词 客服QQ:2064269289 邮箱:zhimiabc@163.com

Screenshots

不背单词4 screens
知米背单词4 screens

Verdict

The call

The clearest difference is ratings volume: 不背单词 at 3.5K against 知米背单词's 460. 知米背单词's advantage is iOS requirement (9.0 vs 13.0). On price, rating, review sentiment and update cadence 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. 不背单词 sells 100 one-off in-app purchases and 知米背单词 sells 12 one-off in-app purchases. 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 — 4.8 for 不背单词 against 4.8 for 知米背单词. That said, the two scores are not equally well evidenced: 不背单词 has 3.5K ratings behind it against 460, so its average is the more settled of the two. Written reviews are what separate them: 95% of 不背单词's written reviews are positive against 97% of 知米背单词's.

UpkeepUpdate frequency

不背单词 ships an update every 3 weeks, 知米背单词 every 5 weeks. The most recent releases landed on September 22, 2026 and August 12, 2026 respectively.

Scorecard2 real differences · 8 level
不背单词 versus 知米背单词: the parameters behind the verdict, then further details
Parameter不背单词知米背单词
PriceFreeFree
Rating4.8 (3.5K ratings)4.8 (460 ratings)
Positive reviews94.6% of reviews97.2% of reviews — better
Number of ratings3.5K — better460
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS13.09.0 — better
Further details — not scored
Size168 MB147 MB
Age rating9+4+
DeveloperBeijing Is-Cool Technology Co., LtdBlueBrain Educational Technology Co., Ltd.

Customer experience

不背单词

All ratings3,506 ratings
Positive96.8%
Neutral1.4%
Negative1.8%
Written reviews682 reviews
Positive94.6%
Neutral1.3%
Negative4.1%

知米背单词

All ratings460 ratings
Positive97.2%
Neutral1.1%
Negative1.7%
Written reviews177 reviews
Positive97.2%
Neutral1.7%
Negative1.1%

User reviews

不背单词

From 3.5K App Store ratings

What we love

  • 🌟 Comprehensive vocabulary coverage
  • 👍 Intuitive and user-friendly interface
  • 🎬 Helpful example sentences from movies/TV
  • 💡 Effective memorization techniques
  • 🎯 Customizable word lists and study plans

Room to improve

  • 🐛 Occasional bugs and crashes
  • 🔊 Inconsistent audio volume for word pronunciations
  • 🔍 Limited search and filtering options
  • 🖼️ Outdated or unappealing visual design
  • 🕰️ Repetitive review schedule can feel tedious

知米背单词

From 460 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Efficient word learning
  • 💡 Helpful word association features
  • 🗣️ Good pronunciation examples
  • 📚 Extensive word library

Room to improve

  • 🐛 Occasional bugs or crashes
  • 💰 Some features require paid subscription
  • 🖥️ Lack of iPad support

Bugs and requests

不背单词

Reported bugs

3 issues
  • Login issues for users with non-Chinese phone numbers
  • Compatibility problems on newer iOS/Android devices
  • Unreliable syncing of progress across multiple devices

Requested features

5 requests
  • Ability to import/export custom word lists
  • Integration with other language learning resources
  • More personalized learning algorithms and recommendations
  • Enhanced social features for group/team learning
  • Expanded support for non-English vocabulary

知米背单词

Reported bugs

2 issues
  • Login issues on certain devices
  • Inconsistent word definitions

Requested features

3 requests
  • Improved multi-device synchronization
  • More customization options
  • Integration with other learning resources

In-app purchases

100 purchases

不背单词

One-time100
  • 酷币包1$0.99
  • 充值4$0.99
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  • 酷币包2$1.99
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  • 酷币包3$2.99
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  • 酷币包5$3.99
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  • 酷币包9$8.99
  • 酷币包12$9.99
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  • 酷币包13$12.99
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  • 充值119$17.99
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  • 酷币包20$19.99
  • 酷币包22$19.99
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  • 酷币包23$22.99
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  • 酷币包19$39.99
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  • 酷币包 34$69.99
  • 充值488$69.99
12 purchases

知米背单词

One-time12
  • 600知米粒$0.99
  • 词根词缀助记1个月$0.99
  • 单词助记服务(1个月)$1.99
Show 9 more
  • 1800知米粒$2.99
  • 单词配图3个月$2.99
  • 词根词缀助记3个月$2.99
  • 3000知米粒$3.99
  • 6800知米粒$9.99
  • 单词助记服务(12个月)$9.99
  • 单词配图永久$12.99
  • 词根词缀助记永久$12.99
  • 单词助记服务(永久)$12.99

Questions

Is 不背单词 free?
不背单词 is free to download, with in-app purchases available.
Is 知米背单词 free?
知米背单词 is free to download, with in-app purchases available.
Which has better reviews, 不背单词 or 知米背单词?
不背单词 and 知米背单词 are both rated 4.8 out of 5 on the App Store, from 3.5K and 460 ratings respectively.
Do 不背单词 or 知米背单词 have ads?
Neither 不背单词 nor 知米背单词 shows ads.
Which is updated more often, 不背单词 or 知米背单词?
不背单词 ships an update every 3 weeks, and 知米背单词 every 5 weeks. Most recently, 不背单词 was updated on September 22, 2026 and 知米背单词 on August 12, 2026.

Other comparisons