# 格蘭英語GramIsland vs 蕭博士SoR美語

The clearest difference is ads: 蕭博士SoR美語 at none against 格蘭英語GramIsland's shown. 格蘭英語GramIsland's advantage is iOS requirement (12.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | 格蘭英語GramIsland | 蕭博士SoR美語 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 9 days |
| Size | 706 MB | 72 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zhao Seng Su](https://appshunter.io/developer/1112803218) | [臺灣雙母語學殿股份有限公司](https://appshunter.io/developer/1877821943) |

## What reviewers say

### 格蘭英語GramIsland

[App page](https://appshunter.io/ios/app/gramisland-devon/id6451129981)

**Features:** macOS Compatibility

**In-app purchases:** none


### 蕭博士SoR美語

[App page](https://appshunter.io/ios/app/sor/id6759275270)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 格蘭英語GramIsland free?

格蘭英語GramIsland is free to download, with no in-app purchases.

### Is 蕭博士SoR美語 free?

蕭博士SoR美語 is free to download, with no in-app purchases.

### Do 格蘭英語GramIsland or 蕭博士SoR美語 have ads?

格蘭英語GramIsland shows ads; 蕭博士SoR美語 does not.

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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.*