# 易呗背单词 vs 学为贵SAT

The clearest difference is in-app purchases: 易呗背单词 at none against 学为贵SAT's 6. 学为贵SAT's advantage is update cadence (every 2 months vs every 15 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 学为贵SAT sells 6 one-off in-app purchases. 易呗背单词 asks for nothing beyond the download.

易呗背单词 ships an update every 15 months, 学为贵SAT every 2 months. The most recent releases landed on June 3, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 易呗背单词 | 学为贵SAT |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 152 MB | 27 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Enguru LLC](https://appshunter.io/developer/1049219570) | [北京学为贵教育科技有限公司](https://appshunter.io/developer/945632881) |

## 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


### 学为贵SAT

[App page](https://appshunter.io/ios/app/sat/id1171701633)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 68元充值券 | $9.99 | one-time |
| 98元充值券 | $14.99 | one-time |
| 158元充值券 | $22.99 | one-time |
| 228元充值券 | $29.99 | one-time |
| 998元充值券 | $149.99 | one-time |
| 1998元充值券 | $299.99 | one-time |


## 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 学为贵SAT free?

学为贵SAT is free to download, with in-app purchases available.

### Do 易呗背单词 or 学为贵SAT have ads?

Neither 易呗背单词 nor 学为贵SAT shows ads.

### Which is updated more often, 易呗背单词 or 学为贵SAT?

易呗背单词 ships an update every 15 months, and 学为贵SAT every 2 months. Most recently, 易呗背单词 was updated on June 3, 2026 and 学为贵SAT on September 8, 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.*