Comparison

不背单词 vs ClassIn

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

ClassIn

This integrated platform supports online and offline teaching with features like live classrooms, LMS, and personalized learning environments. It aims to empower educators and learners globally, fostering independent and self-disciplined lifelong learning.

Highlights
  • Online live classrooms
  • Offline smart classrooms
  • Learning Management System (LMS)
  • Personal Learning Environment (PLE)
  • Collaborative blackboard
  • Virtual experiments
Features
Read full description

Welcome to ClassIn and embrace the new era of lifelong learning! ClassIn, developed by Empower Education Online (EEO) for eight years, is an integrated teaching platform encompassing online live classrooms, offline smart classrooms, an LMS learning management system, and a PLE personal learning environment. ClassIn adheres to the essence of education, releasing the charm of teaching and learning, and cultivating independent and self-disciplined lifelong learners. As of now, ClassIn has been favored by educators and learners across the globe: · 150 countries · 2 million educators · 30 million learners · 20,000 K12 schools, higher education institutions, and enterprises. ClassIn effectively assists K12 schools, universities and enterprises with achieving high quality online, offline, hybrid, and intelligent teaching; ClassIn facilitates educators in creating a course system, knowledge space, learning community, and evaluation data that focus on learners; further, ClassIn enables teachers to enrich courses and teaching, and enhance students' core literacy and lifelong learning ability. Hybrid Learning Solutions ClassIn is widely praised for its comprehensive online and offline teaching solutions. It offers a seamless experience for up to 2000 people to attend online live classes, with 50 people's audio and video being displayed simultaneously. Furthermore, it provides a host of features, including collaborative blackboard, collaborative documents, group teaching and virtual experiments, to replicate the feeling of an offline environment. With its state-of-the-art intelligent teaching system, ClassIn provides an easy and efficient learning experience for both online and offline teaching. Learning Management System (LMS) ClassIn offers a comprehensive learning platform for traditional teaching activities, such as classrooms, homework, discussions, and assessments, to help students construct their own learning pathway. Moreover, with collaborative documents and internet communication, ClassIn promotes project-based, cooperative and inquiry-based learning, enabling students to practice and enhance their creativity, communication, and collaboration skills. Personal Learning Environment (PLE) ClassIn enables personalized and lifelong learning. In the era of internet and artificial intelligence, knowledge is iterating rapidly and is no longer centered in schools or libraries, but dispersed in society and networks, which requires learners to take the initiative to learn and pursue lifelong learning. ClassIn will continuously upgrade the PLE personal learning environment to build a lifelong learning system and cultivate self-disciplined lifelong learners. More to Explore on www.classin.com

Screenshots

不背单词4 screens
ClassIn4 screens

Verdict

The call

The clearest difference is review sentiment: 不背单词 at 95% against ClassIn's 51%. 不背单词 also leads on rating (4.8 vs 3.6) and ratings volume (3.6K vs 1K). On price, update cadence, ads and in-app purchases 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 ClassIn sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

不背单词 holds the better App Store score, 4.8 against 3.6. Both are backed by a comparable volume of ratings — 3.6K and 1K respectively. Written reviews point the same way: 95% of 不背单词's written reviews are positive against 51% of ClassIn's.

UpkeepUpdate frequency

不背单词 ships an update every 3 weeks, ClassIn every 11 days. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

Scorecard3 real differences · 7 level
不背单词 versus ClassIn: the parameters behind the verdict, then further details
Parameter不背单词ClassIn
PriceFreeFree
Rating4.8 (3.6K ratings) — better3.6 (1K ratings)
Positive reviews94.6% of reviews — better50.5% of reviews
Number of ratings3.6K — better1K
Update frequencyEvery 3 weeksEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size168 MB286 MB
Age rating9+4+
DeveloperBeijing Is-Cool Technology Co., LtdEEO Education Ltd.

Customer experience

不背单词

All ratings3,506 ratings
Positive96.8%
Neutral1.4%
Negative1.8%
Written reviews707 reviews
Positive94.6%
Neutral1.3%
Negative4.1%

ClassIn

All ratings1,019 ratings
Positive64.3%
Neutral6.9%
Negative28.9%
Written reviews558 reviews
Positive50.5%
Neutral9.5%
Negative40.0%

User reviews

不背单词

From 3.6K 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

ClassIn

From 1K App Store ratings

What we love

  • 💡 Useful features for education
  • 👍 Great for learning Chinese
  • 🚀 Efficient for online classes
  • 🤝 Good for teacher-student interaction

Room to improve

  • 🐛 Buggy and unstable
  • 🔋 High battery consumption
  • 🤔 Confusing user interface
  • 🤷‍♀️ Lack of privacy for students

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

ClassIn

Reported bugs

4 issues
  • Frequent crashes and freezes
  • Issues with file uploads and downloads
  • Microphone and camera problems
  • Incompatibility with certain devices

Requested features

4 requests
  • Add autosave feature
  • Improve screen sharing capabilities
  • Enhance mobile app compatibility
  • Provide better language support

In-app purchases

100 purchases

不背单词

One-time100
  • 酷币包1$0.99
  • 充值4$0.99
  • 充值3$0.99
Show 97 more
  • 充值6$0.99
  • 充值5$0.99
  • 充值10$0.99
  • 充值1$0.99
  • 充值9.9$0.99
  • 充值8$0.99
  • 充值2$0.99
  • 充值9$0.99
  • 充值7$0.99
  • 酷币包2$1.99
  • 充值15$1.99
  • 充值12$1.99
  • 充值11$1.99
  • 充值13$1.99
  • 充值16$1.99
  • 酷币包3$2.99
  • 充值19.9$2.99
  • 充值20$2.99
  • 充值24$2.99
  • 充值19.8$2.99
  • 充值18$2.99
  • 充值19$2.99
  • 充值21$2.99
  • 酷币包5$3.99
  • 充值30$3.99
  • 充值26$3.99
  • 充值28$3.99
  • 充值31$3.99
  • 充值25$3.99
  • 充值37$4.99
  • 充值35$4.99
  • 充值34$4.99
  • 充值36$4.99
  • 充值32$4.99
  • 充值38$4.99
  • 酷币包6$5.99
  • 酷币包7$5.99
  • 充值41$5.99
  • 充值39$5.99
  • 充值43$5.99
  • 充值45$5.99
  • 酷币包8$6.99
  • 充值47$6.99
  • 充值46$6.99
  • 充值48$6.99
  • 充值49$6.99
  • 充值57$7.99
  • 充值58$7.99
  • 酷币包9$8.99
  • 酷币包12$9.99
  • 充值67$9.99
  • 充值70$9.99
  • 充值74$9.99
  • 充值73$9.99
  • 充值75$9.99
  • 充值76$9.99
  • 充值85$11.99
  • 酷币包13$12.99
  • 充值94$12.99
  • 充值119$17.99
  • 充值116$17.99
  • 酷币包20$19.99
  • 酷币包22$19.99
  • 充值142$19.99
  • 充值147$19.99
  • 充值149$19.99
  • 充值129$19.99
  • 充值131$19.99
  • 充值139$19.99
  • 酷币包23$22.99
  • 充值160$22.99
  • 充值158$22.99
  • 充值169$24.99
  • 充值177$24.99
  • 充值178$24.99
  • 充值176$24.99
  • 充值209$29.99
  • 充值220$29.99
  • 充值228$29.99
  • 充值233$34.99
  • 充值250$34.99
  • 充值238$34.99
  • 充值249$34.99
  • 充值248$34.99
  • 酷币包19$39.99
  • 酷币包 31$39.99
  • 充值293$39.99
  • 充值298$39.99
  • 充值268$39.99
  • 充值273$39.99
  • 充值289$39.99
  • 充值279$39.99
  • 充值283$39.99
  • 充值288$39.99
  • 充值388$59.99
  • 酷币包 34$69.99
  • 充值488$69.99
13 purchases

ClassIn

One-time13
  • Purchase 1 additional lesson$0.99
  • Purchase 2 additional lesson$1.99
  • Purchase 4 additional lesson$2.99
Show 10 more
  • Purchase 12 additional lesson$9.99
  • Purchase 14 additional lesson$11.99
  • Purchase 15 additional lesson$12.99
  • Purchase 16 additional lesson$12.99
  • Pro Edition$14.99
  • Purchase 18 additional lesson$14.99
  • Purchase 17 additional lesson$14.99
  • Purchase 19 additional lesson$14.99
  • Monthly Edition$17.99
  • Purchase 20 additional lesson$17.99

Questions

Is 不背单词 free?
不背单词 is free to download, with in-app purchases available.
Is ClassIn free?
ClassIn is free to download, with in-app purchases available.
Which has better reviews, 不背单词 or ClassIn?
不背单词 is rated higher. 不背单词 averages 4.8 out of 5 from 3.6K ratings, while ClassIn averages 3.6 from 1K ratings.
Do 不背单词 or ClassIn have ads?
Neither 不背单词 nor ClassIn shows ads.
Which is updated more often, 不背单词 or ClassIn?
不背单词 ships an update every 3 weeks, and ClassIn every 11 days. Most recently, 不背单词 was updated on October 21, 2026 and ClassIn on October 19, 2026.

Other comparisons