# ローマ字 vs CatchyNumbers

The clearest difference is in-app purchases: ローマ字 at none against CatchyNumbers's 1. ローマ字 also leads on iOS requirement (13.0 vs 16.6). CatchyNumbers's advantage is ads (none vs shown) and update cadence (every 3 days vs monthly). On price and device support there is nothing between them.

Both are free to download. CatchyNumbers sells 1 one-off in-app purchase. ローマ字 asks for nothing beyond the download.

ローマ字 ships an update monthly, CatchyNumbers every 3 days. The most recent releases landed on September 27, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ローマ字 | CatchyNumbers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id6446363480/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Size | 154 MB | 3 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ohmori Takeru](https://appshunter.io/developer/969791681) | [BE PLUS S.R.L.](https://appshunter.io/developer/6788669760) |

## What reviewers say

### ローマ字

[App page](https://appshunter.io/ios/app/id6446363480)

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

**In-app purchases:** none


### CatchyNumbers

[App page](https://appshunter.io/ios/app/catchynumbers-count-123/id6789106326)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Games | $1.99 | one-time |


## Frequently asked questions

### Is ローマ字 free?

ローマ字 is free to download, with no in-app purchases.

### Is CatchyNumbers free?

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

### Do ローマ字 or CatchyNumbers have ads?

ローマ字 shows ads; CatchyNumbers does not.

### Which is updated more often, ローマ字 or CatchyNumbers?

ローマ字 ships an update monthly, and CatchyNumbers every 3 days. Most recently, ローマ字 was updated on September 27, 2026 and CatchyNumbers on September 18, 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.*