# 易呗背单词 vs 海伦智能课堂

The clearest difference is update cadence: 海伦智能课堂 at every 3 months against 易呗背单词's every 15 months. 易呗背单词's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 13.0). On price, 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.

易呗背单词 ships an update every 15 months, 海伦智能课堂 every 3 months. The most recent releases landed on June 3, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 易呗背单词 | 海伦智能课堂 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (10 ratings)](https://appshunter.io/ios/app/sat/id628003919/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 152 MB | 992 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Enguru LLC](https://appshunter.io/developer/1049219570) | [HAILUN PIANO CO., LTD.](https://appshunter.io/developer/1104870330) |

## 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


### 海伦智能课堂

[App page](https://appshunter.io/ios/app/id1107535884)

**In-app purchases:** none


## 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 海伦智能课堂 free?

海伦智能课堂 is free to download, with no in-app purchases.

### Do 易呗背单词 or 海伦智能课堂 have ads?

Neither 易呗背单词 nor 海伦智能课堂 shows ads.

### Which is updated more often, 易呗背单词 or 海伦智能课堂?

易呗背单词 ships an update every 15 months, and 海伦智能课堂 every 3 months. Most recently, 易呗背单词 was updated on June 3, 2026 and 海伦智能课堂 on September 10, 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.*