Comparison

易呗背单词 vs KMF 3000 Words for GRE® Test

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

Head to head
About

易呗背单词

This app offers a specialized SAT English vocabulary builder, leveraging a powerful memory engine and cloud storage. It features intelligent review planning, multiple memorization techniques, integrated dictionary lookup within example sentences, and a user-friendly quiz tool.

Highlights
  • SAT English vocabulary focus
  • Powerful memory engine
  • Cloud storage and sync
  • Intelligent review planning
  • Multiple memorization techniques
  • Integrated dictionary
  • Quiz tool
Features
Read full description

《易呗背单词-SAT英语专用版 》精选SAT英语词汇,依托《易呗背单词》强大记忆引擎,结合了易呗网(www.yibei.com)云存储功能,是一款针对SAT英语量身定做的英语单词软件。 产品特点: 1. 与《易呗背单词》相同的记忆引擎、使用方法; 2. 精选研究生考试必备词汇; 3. 学习记录管理,智能复习规划,支持课本以及学习记录播放功能; 4. 内置多种记忆法与例句; 5. 内置易呗词典,可以在例句中查词典; 6. 简单易用的测验工具。

About

KMF 3000 Words for GRE® Test

Master GRE vocabulary with scientifically planned daily reviews based on the Ebbinghaus Memory Curve. Learn essential words with authentic GRE examples and practice using multiple review modes. Focus on high-frequency meanings to maximize retention.

Highlights
  • Ebbinghaus Memory Curve for optimal review intervals
  • Curated list of essential GRE words
  • Authentic GRE exam question examples
  • Focus on high-frequency meanings
  • Flashcards, practice questions, and rapid review modes
Features
Read full description

"KMF 3000 Words for GRE® Test" is a powerful tool specifically developed for GRE vocabulary memorization by Xueersi, a prestigious and authoritative training institution in the GRE field. As an official partner of ETS (the organization responsible for the GRE), we have meticulously curated and included the most comprehensive and up-to-date essential words for the GRE exam. By incorporating the Ebbinghaus Memory Curve, we intelligently create daily review tasks based on each student's progress, ensuring that you never forget a word. 01 Scientific Planning: Incorporate the Ebbinghaus Memory Curve for Vocabulary Memorization To enhance your vocabulary retention and eliminate the frustration of forgetting what you've learned, we utilize the Ebbinghaus Memory Curve. Based on each user's specific memorization status, we automatically generate daily word review tasks at optimal intervals (5 minutes, 30 minutes, 12 hours, 1 day, 2 days, 4 days, 7 days, 15 days). This approach ensures timely reviews just before you are about to forget, so you never have to worry about forgetting words again. 02 Comprehensive and Up-to-Date: Say Goodbye to Unknown Exam Words Leveraging over ten years of TOEFL and GRE exam data, including fill-in-the-blank questions, reading passages, and math problems, we have carefully compiled four vocabulary books tailored for GRE preparation: Core 3,000 GRE Words Emergency 1,400 GRE Words Comprehensive 6,000 GRE Words Core 300 GRE Quant Terms These different versions cater to various levels of preparation and time availability, meeting diverse vocabulary needs. 03 Authentic Examples: Match Words with Actual GRE Questions To reduce the burden of memorizing vocabulary and avoid wasting time on irrelevant words not tested in the GRE exam, we go beyond traditional example sentences. We match each word with actual fill-in-the-blank and reading questions from past GRE exams. This helps students understand how each word is tested in real exam contexts while they memorize them. 04 Simplified Approach: Focus Only on Essential Meanings To alleviate students' memorization burden, we prioritize displaying frequently tested meanings, less common meanings, multiple meanings. However, any meanings that exist but are not within the scope of the GRE exam are omitted to avoid unnecessary memorization pressure. 05 Flexible Methods: The Best Fit for Your Needs To cater to different stages and needs of various students, we offer three review modes: a) Flashcards Method: Review one word per card for both efficiency and accuracy. b) Practice Questions Method: Choose from word-to-definition or definition-to-word matching exercises to reinforce vocabulary. c) Rapid Review Method: Quickly go through words to efficiently check your memory during later stages of preparation. If you encounter any issues while using our tool, please contact us. Every piece of feedback helps us improve! Developed by Xueersi—Quality Guaranteed You can always trust Xueersi for your GRE preparation needs!

Screenshots

易呗背单词3 screens
KMF 3000 Words for GRE® Test4 screens

Verdict

The call

The clearest difference is update cadence: KMF 3000 Words for GRE® Test at every 6 weeks against 易呗背单词's every 15 months. KMF 3000 Words for GRE® Test also leads on ratings volume (3.4K vs 10). 易呗背单词's advantage is review sentiment (100% vs 72%) and monetization model (free vs free with in-app purchases). On price, rating, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for 易呗背单词 against 4.9 for KMF 3000 Words for GRE® Test. That said, the two scores are not equally well evidenced: KMF 3000 Words for GRE® Test has 3.4K ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 100% of 易呗背单词's written reviews are positive against 72% of KMF 3000 Words for GRE® Test's.

UpkeepUpdate frequency

易呗背单词 ships an update every 15 months, KMF 3000 Words for GRE® Test every 6 weeks. The most recent releases landed on October 3, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
易呗背单词 versus KMF 3000 Words for GRE® Test: the parameters behind the verdict, then further details
Parameter易呗背单词KMF 3000 Words for GRE® Test
PriceFreeFree
Rating4.9 (10 ratings) — better4.9 (3.4K ratings)
Positive reviews100.0% of reviews — better72.2% of reviews
Number of ratings103.4K — better
Update frequencyEvery 15 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13
Further details — not scored
Size152 MB104 MB
Age rating4+4+
DeveloperEnguru LLCBeijing Ying He You Shi Technology Limited Liability Company

Customer experience

易呗背单词

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews14 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

KMF 3000 Words for GRE® Test

All ratings3,450 ratings
Positive97.5%
Neutral1.2%
Negative1.3%
Written reviews187 reviews
Positive72.2%
Neutral9.6%
Negative18.2%

Bugs and requests

易呗背单词

Not enough reviews yet to summarise bugs or requests.

KMF 3000 Words for GRE® Test

Reported bugs

4 issues
  • Sudden loss of progress and review history
  • Incorrect display of accumulated review tasks
  • Inconsistent behavior when navigating between units
  • Compatibility issues with newer iOS versions

Requested features

4 requests
  • Expand word lists and vocabulary coverage
  • Improve customization options for learning schedules
  • Add more example sentences and contextual usage
  • Optimize for tablet/iPad experience (e.g. landscape mode)

In-app purchases

None

易呗背单词

No in-app purchases

None

KMF 3000 Words for GRE® Test

No in-app purchases

Questions

Is 易呗背单词 free?
易呗背单词 is free to download, with no in-app purchases.
Is KMF 3000 Words for GRE® Test free?
KMF 3000 Words for GRE® Test is free to download, with no in-app purchases.
Which has better reviews, 易呗背单词 or KMF 3000 Words for GRE® Test?
易呗背单词 is rated higher. 易呗背单词 averages 4.9 out of 5 from 10 ratings, while KMF 3000 Words for GRE® Test averages 4.9 from 3.4K ratings.
Do 易呗背单词 or KMF 3000 Words for GRE® Test have ads?
Neither 易呗背单词 nor KMF 3000 Words for GRE® Test shows ads.
Which is updated more often, 易呗背单词 or KMF 3000 Words for GRE® Test?
易呗背单词 ships an update every 15 months, and KMF 3000 Words for GRE® Test every 6 weeks. Most recently, 易呗背单词 was updated on October 3, 2026 and KMF 3000 Words for GRE® Test on October 29, 2026.

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