# Roma vs Sum + Sum

The clearest difference is ads: Sum + Sum at none against Roma's shown. On price, in-app purchases, device support and iOS requirement 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 | Roma | Sum + Sum |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Ad-supported | — |
| Size | 68 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MASAHIRO MIZUTANI](https://appshunter.io/developer/368158224) | [Yu Takahashi](https://appshunter.io/developer/1896313229) |

## What reviewers say

### Roma

[App page](https://appshunter.io/ios/app/roma-ji-robo/id560956323)

Learn Roman alphabet (Romaji) for Japanese communication through interactive games. Choose between card matching or keyboard input modes, and practice with single characters or full words to defeat the Robo.

**Highlights:** Learn Romaji for Japanese communication, Card matching mode, Keyboard input mode, Practice single characters (Letter), Practice multiple characters (Word), Beat the Robo game mechanic, Uses Hepburn system

**Features:** Vision Pro support

**In-app purchases:** none


### Sum + Sum

[App page](https://appshunter.io/ios/app/sum-plus-sum/id6775274428)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Roma free?

Roma is free to download, with no in-app purchases.

### Is Sum + Sum free?

Sum + Sum is free to download, with no in-app purchases.

### Do Roma or Sum + Sum have ads?

Roma shows ads; Sum + Sum 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.*