# 易呗背单词 vs KMF 3000 Words for GRE® Test

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | 易呗背单词 | KMF 3000 Words for GRE® Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (10 ratings)](https://appshunter.io/ios/app/sat/id628003919/reviews)** | [4.9 (3.4K ratings)](https://appshunter.io/ios/app/kmf-3000-words-for-gre-test/id905189298/reviews) |
| Number of ratings | 10 | **3.4K** |
| Positive reviews | **100.0% of reviews** | 72.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 152 MB | 104 MB |
| Requires iOS | **9.0** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Enguru LLC](https://appshunter.io/developer/1049219570) | [Beijing Ying He You Shi Technology Limited Liability Company](https://appshunter.io/developer/665790839) |

## What reviewers say

### 易呗背单词

[App page](https://appshunter.io/ios/app/sat/id628003919)

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:** macOS Compatibility

**In-app purchases:** none


### KMF 3000 Words for GRE® Test

[App page](https://appshunter.io/ios/app/kmf-3000-words-for-gre-test/id905189298)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient vocabulary learning
- 👍 Comprehensive word lists
- 🚀 Speedy app performance
- 👍 Helpful pronunciation feature

**What reviewers complain about**

- 🐛 Bugs and glitches
- 👎 Unreliable progress tracking
- 👎 Inconsistent user interface
- 🐛 Syncing issues between devices

**Reported bugs**

- 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**

- 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)


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*