# ふたりのサイフ vs Random Number Generator X

The clearest difference is update cadence: Random Number Generator X at every 6 weeks against ふたりのサイフ's every 3 months. ふたりのサイフ's advantage is device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. ふたりのサイフ sells 3 in-app purchases, starting at $0.99 per month and Random Number Generator X sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for ふたりのサイフ against 5.0 for Random Number Generator X. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ふたりのサイフ ships an update every 3 months, Random Number Generator X every 6 weeks. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ふたりのサイフ | Random Number Generator X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id1465729591/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/random-number-generator-x/id6471918556/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 51 MB | 7 MB |
| Requires iOS | **15.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takuya Soneda](https://appshunter.io/developer/1071587623) | [Yuki Yamagishi](https://appshunter.io/developer/1516430576) |

## What reviewers say

### ふたりのサイフ

[App page](https://appshunter.io/ios/app/id1465729591)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $0.99 | per month |
| プレミアム（年額） | $11.99 | per year |
| プレミアム | $3.99 | one-time |


### Random Number Generator X

[App page](https://appshunter.io/ios/app/random-number-generator-x/id6471918556)

Generate random numbers easily with a simple tap. Set your desired range and get instant random numbers. Keep track of generated numbers in history and control duplicate generation.

**Highlights:** Tap to generate random numbers, Set custom number ranges, History of generated numbers, Toggle duplicate generation, Simple and intuitive interface, Completely free to use

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Ads and Unlock Themes | $2.99 | one-time |


## Frequently asked questions

### Is ふたりのサイフ free?

ふたりのサイフ is free to download, with in-app purchases available.

### Is Random Number Generator X free?

Random Number Generator X is free to download, with in-app purchases available.

### Which has better reviews, ふたりのサイフ or Random Number Generator X?

ふたりのサイフ and Random Number Generator X are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do ふたりのサイフ or Random Number Generator X have ads?

Both ふたりのサイフ and Random Number Generator X show ads.

### Which is updated more often, ふたりのサイフ or Random Number Generator X?

ふたりのサイフ ships an update every 3 months, and Random Number Generator X every 6 weeks. Most recently, ふたりのサイフ was updated on November 8, 2026 and Random Number Generator X on November 4, 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.*