Comparison

知米背单词 vs 词根背单词

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

Head to head
About

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
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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

About

词根背单词

Features
Read full description

词根记单词 — 最高效的英语词汇学习法 你是否觉得背单词枯燥又低效?词根记单词通过词根记忆法,帮你从单词的"根源"理解词义,一个词根掌握一串单词,学过不忘! 核心功能 词根学习 收录 490 个高频英语词根,每个词根附带详细释义和例词,彻底理解单词构成原理。 单词详解 5700 个常用英语词汇,包含音标、中文释义和词根解析,一目了然。 闪卡复习 智能闪卡帮你快速复习词根下的所有单词,支持单词朗读,听说读同步强化记忆。 趣味测验 多种题型检验学习成果,答错了也没关系——系统自动标记薄弱词汇,助你针对性突破。 收藏功能 随时收藏重点词根和难记单词,专项攻克自己的薄弱环节。 学习统计 清晰记录每日学习进度,让坚持看得见、成就感满满。 深色模式 支持深色主题,夜间学习护眼更舒适。 适合人群 备考四六级、考研、雅思、托福的学生 希望系统扩充词汇量的英语学习者 对语言学习感兴趣的各年龄段用户 用词根记单词,学一个、懂一串,从此告别死记硬背!立即下载,开启高效词汇学习之旅。

Screenshots

知米背单词4 screens
词根背单词4 screens

Verdict

The call

The clearest difference is in-app purchases: 词根背单词 at none against 知米背单词's 12. 知米背单词's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 39 months). On price, rating, review sentiment and device support 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. 知米背单词 sells 12 one-off in-app purchases. 词根背单词 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for 知米背单词 against 4.8 for 词根背单词. That said, the two scores are not equally well evidenced: 知米背单词 has 460 ratings behind it against 17, so its average is the more settled of the two. Written reviews are what separate them: 97% of 知米背单词's written reviews are positive against 93% of 词根背单词's.

UpkeepUpdate frequency

知米背单词 ships an update every 5 weeks, 词根背单词 every 39 months. The most recent releases landed on August 12, 2026 and September 20, 2026 respectively.

Scorecard5 real differences · 5 level
知米背单词 versus 词根背单词: the parameters behind the verdict, then further details
Parameter知米背单词词根背单词
PriceFreeFree
Rating4.8 (460 ratings)4.8 (17 ratings)
Positive reviews97.2% of reviews — better93.3% of reviews
Number of ratings460 — better17
Update frequencyEvery 5 weeks — betterEvery 39 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS9.0 — better14.0
Further details — not scored
Size147 MB5 MB
Age rating4+4+
DeveloperBlueBrain Educational Technology Co., Ltd.静俐 张

Customer experience

知米背单词

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

词根背单词

All ratings17 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews30 reviews
Positive93.3%
Neutral3.3%
Negative3.3%

Bugs and requests

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

词根背单词

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
None

词根背单词

No in-app purchases

Questions

Is 知米背单词 free?
知米背单词 is free to download, with in-app purchases available.
Is 词根背单词 free?
词根背单词 is free to download, with no in-app purchases.
Which has better reviews, 知米背单词 or 词根背单词?
知米背单词 and 词根背单词 are both rated 4.8 out of 5 on the App Store, from 460 and 17 ratings respectively.
Do 知米背单词 or 词根背单词 have ads?
词根背单词 shows ads; 知米背单词 does not.
Which is updated more often, 知米背单词 or 词根背单词?
知米背单词 ships an update every 5 weeks, and 词根背单词 every 39 months. Most recently, 知米背单词 was updated on August 12, 2026 and 词根背单词 on September 20, 2026.

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