# マスタン英単語 vs Slango

The clearest difference is device support: Slango at 2 against マスタン英単語's —. Slango also leads on iOS requirement (15.1 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. マスタン英単語 sells 2 in-app purchases, starting at $4.99 per month and Slango sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

マスタン英単語 ships an update every 2 weeks, Slango every 9 days. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | マスタン英単語 | Slango |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | Yes |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 35 MB | 40 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Norihiro Sakamoto](https://appshunter.io/developer/1885026853) | [Yuito Ukita](https://appshunter.io/developer/6779112243) |

## What reviewers say

### マスタン英単語

[App page](https://appshunter.io/ios/app/toeic/id6760566858)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro １ヶ月プラン | $4.99 | per month |
| Pro 年間プラン | $34.99 | per year |


### Slango

[App page](https://appshunter.io/ios/app/slango/id6789338636)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slangoプレミアム | $1.99 | one-time |


## Frequently asked questions

### Is マスタン英単語 free?

マスタン英単語 is free to download, with in-app purchases available.

### Is Slango free?

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

### Which is updated more often, マスタン英単語 or Slango?

マスタン英単語 ships an update every 2 weeks, and Slango every 9 days. Most recently, マスタン英単語 was updated on September 27, 2026 and Slango on September 17, 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.*