# 英単語990 vs VietLoop

The clearest difference is in-app purchases: 英単語990 at none against VietLoop's 1. VietLoop's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. VietLoop sells 1 one-off in-app purchase. 英単語990 asks for nothing beyond the download.

## The numbers

| Metric | 英単語990 | VietLoop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 6 MB | 23 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SANWA Inc.](https://appshunter.io/developer/1878028373) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### 英単語990

[App page](https://appshunter.io/ios/app/990/id6760735533)

**Features:** macOS Compatibility

**In-app purchases:** none


### VietLoop

[App page](https://appshunter.io/ios/app/vietloop/id6780567863)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VietLoop Premium | $4.99 | one-time |


## Frequently asked questions

### Is 英単語990 free?

英単語990 is free to download, with no in-app purchases.

### Is VietLoop free?

VietLoop is free to download, with in-app purchases available.

### Do 英単語990 or VietLoop have ads?

Neither 英単語990 nor VietLoop shows ads.

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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.*