知米背单词 vs HelloWord
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
HelloWord
This app helps you learn vocabulary on your Apple Watch, even offline. It offers instant pronunciation, example sentences, and quick word switching with gestures. It's designed for independent use without needing your iPhone nearby.
- Independent Apple Watch operation
- Offline pronunciation
- Example sentence viewing
- Gesture-based word switching
- Supports iPhone and iPad
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专为 Apple Watch 设计，离线刷词，即时发音。 核心功能 - 独立运行：无需 iPhone，手表端独立使用 - 离线发音：点击音标，即刻朗读，无需联网 - 例句查看：轻触底部箭头，展开例句 - 手势切换：双指捏合，快速切词 联系作者 邮箱：toliuxuan@icloud.com 小红书：@轩爱写代码 隐私条款 使用条款: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 隐私政策: https://daxuan90.github.io/helloword-privacy/ 致谢 Icons: OpenMoji (CC BY-SA 4.0)
Screenshots
Verdict
The clearest difference is update cadence: HelloWord at every 9 days against 知米背单词's every 5 weeks. 知米背单词's advantage is review sentiment (97% vs 83%) and iOS requirement (9.0 vs 18.0). On price, ads, 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 HelloWord sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
知米背单词 ships an update every 5 weeks, HelloWord every 9 days. The most recent releases landed on August 12, 2026 and September 26, 2026 respectively.
| Parameter | 知米背单词 | HelloWord |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (460 ratings) — better | — |
| Positive reviews | 97.2% of reviews — better | 82.6% of reviews |
| Number of ratings | 460 — better | — |
| Update frequency | Every 5 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, Apple Watch |
| Requires iOS | 9.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 147 MB | 40 MB |
| Age rating | 4+ | 12+ |
| Developer | BlueBrain Educational Technology Co., Ltd. | 轩 刘 |
Customer experience
知米背单词
HelloWord
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
HelloWord
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
HelloWord
- Word+ 月度会员$0.991 Month
- Word+ 年度会员7 Days trial$7.991 Year
