Comparison

小丁同学 vs Cat eats words

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

Head to head

Ebbinghaus curve memory method

Free

📚 Education

No ratingsView app →

About

小丁同学

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小丁同学app是专门为全国小学生打造的同步学校教材与作业以及ai错题库。帮助小学生从课本点读-在线作业-错题再学习三部曲实现学习有效提升同步英语语文点读教材：人教版（新起点）一二三四五六年级上下册，人教版（PEP）三四五六年级上下册、苏教版（译林）、沪教版(上海)、牛津上海版、新牛津英语、教科版（广州版）、闽教版、湘少版、冀教版、外研版（一年级起点）和外研版（一年级起点）、北大版。同步小学数学语文英语科学课堂作业： 1、同步每日学校课本作业，每日在线做题，让学习更生动有趣 2、系统自动批改，错题重做，反复练习错题，巩固未掌握的内容 3、期末个性化试卷（针对一个学期下来未掌握课题出卷）有效提高学习时间如果您在使用的过程中，有任何问题，可以联系我们哦官网地址：https://www.xdtongxue.com

About

Cat eats words

Features

Read full description

This app uses the Ebbinghaus curve memory method to support IELTS, TOEFL, CET-4, CET-6, postgraduate and other English words memorization. The app automatically arranges vocabulary learning progress to help you memorize vocabulary quickly. It provides pronunciation, explanation, example sentences, phrases and sentence making functions.

Screenshots

小丁同学4 screens

Cat eats words3 screens

Verdict

The call

The clearest difference is update cadence: 小丁同学 at fortnightly against Cat eats words's every 5 weeks. On price, ads, in-app purchases 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. 小丁同学 sells 5 one-off in-app purchases and Cat eats words sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

小丁同学 ships an update fortnightly, Cat eats words every 5 weeks. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

Scorecard1 real difference · 5 level

小丁同学 versus Cat eats words: the parameters behind the verdict, then further details
Parameter	小丁同学	Cat eats words
Price	Free	Free
Update frequency	Fortnightly — better	Every 5 weeks
Ads	No	No
In-app purchases	Yes	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.0 — better	14.5
Further details — not scored
Size	22 MB	268 MB
Age rating	4+	4+
Developer	Hangzhou Yida Electronic Technology Co., Ltd.	春霞胡

In-app purchases

5 purchases

小丁同学

One-time5

2500学习币$3.99
5000学习币赠530学习币$6.99
10800学习币赠1200学习币$14.99

Show 2 more

32800学习币赠4100学习币$49.99
64800学习币赠8700学习币$99.99

2 purchases

Cat eats words

One-time2

1000 new vocabulary exercises$2.99
5000 new vocabulary exercises$8.99

Questions

Is 小丁同学 free?

小丁同学 is free to download, with in-app purchases available.

Is Cat eats words free?

Cat eats words is free to download, with in-app purchases available.

Do 小丁同学 or Cat eats words have ads?

Neither 小丁同学 nor Cat eats words shows ads.

Which is updated more often, 小丁同学 or Cat eats words?

小丁同学 ships an update fortnightly, and Cat eats words every 5 weeks. Most recently, 小丁同学 was updated on October 14, 2026 and Cat eats words on October 15, 2026.