知米背单词 vs wordDNA:词根词缀字典
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
wordDNA:词根词缀字典
This app helps users understand English vocabulary by breaking down words into their roots, prefixes, and suffixes. It provides bilingual explanations, pronunciation, and usage examples, with offline access and basic learning tools included for free. Advanced features and content are available through an optional subscription.
- Bilingual word explanations
- Etymology, roots, prefixes, suffixes
- Pronunciation and usage examples
- Offline dictionary lookup
- Favorites and saved words
- Basic quiz and review tools
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wordDNA 是一款围绕词根、词缀、词源和复习设计的英语词汇学习工具。与其机械记忆一个个孤立的单词,不如看清单词是怎样构成、怎样演变而来的。 【从词源理解单词】 查询单词时,不只查看中文释义,还可以了解词根、前缀、后缀、构词结构和词源演变。通过单词之间的联系理解词义,让复杂词汇变得更有逻辑。 【约 10 万常用词条,支持离线查词】 内置约 10 万常用英语词条,无需联网即可完成日常查询。词条可包含中文释义、英美发音、构词结构、词根词缀和词源信息,部分词条还提供语境例句。 【专业英英释义】 Plus 用户可以使用专业英英词典,在中文释义之外进一步理解单词在英语语境中的含义。 【词包与主动复习】 内置四级、六级词汇,并为 Plus 用户提供专八、雅思核心词汇、托福、GRE 等进阶词包。你可以从查询历史、内置词包和“我的词库”中选择内容进行主动复习。 【艾宾浩斯复习】 wordDNA 提供定时复习与主动复习两种方式。主动练习可以不限次数进行,同时不会改变原有定时复习的阶段和到期时间。 【我的词库】 将需要重点掌握的单词加入自己的词库,集中查询、整理和复习。 【基础功能】 · 英中查词 · 离线词典 · 最近 50 条查询历史 · 四级、六级词包 【wordDNA Plus】 · 专业英英词典 · 去除广告 · 进阶艾宾浩斯复习 · PDF 导出 · 专八、雅思、托福、GRE 等进阶词包 · 自定义词库 词汇不只是需要记住的一串字母。看懂它的结构和来历,你会发现单词之间原本就有联系。 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: 知米背单词 at none against wordDNA:词根词缀字典's shown. 知米背单词 also leads on ratings volume (460 vs 4) and device support (4 vs 1). wordDNA:词根词缀字典's advantage is update cadence (every 6 days vs every 5 weeks) and rating (5.0 vs 4.8). On price, review sentiment, in-app purchases and monetization model 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
Both are free to download. 知米背单词 sells 12 one-off in-app purchases and wordDNA:词根词缀字典 sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
wordDNA:词根词缀字典 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 知米背单词 has 460 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 97% of 知米背单词's written reviews are positive against 100% of wordDNA:词根词缀字典's.
知米背单词 ships an update every 5 weeks, wordDNA:词根词缀字典 every 6 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.
| Parameter | 知米背单词 | wordDNA:词根词缀字典 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (460 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 96.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 460 — better | 4 |
| Update frequency | Every 5 weeks | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone |
| Requires iOS | 9.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 147 MB | 264 MB |
| Age rating | 4+ | 4+ |
| Developer | BlueBrain Educational Technology Co., Ltd. | 峰 潘 |
Customer experience
知米背单词
wordDNA:词根词缀字典
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
wordDNA:词根词缀字典
Not enough reviews yet to summarise bugs or requests.
In-app purchases
知米背单词
- 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
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- 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
wordDNA:词根词缀字典
- OpenEtymology Plus Monthly7 Days trial$2.991 Month
- OpenEtymology Plus Yearly14 Days trial$17.991 Year
- OpenEtymology Plus Lifetime$49.99









