# ふたりのサイフ vs CostPer

The clearest difference is in-app purchases: CostPer at none against ふたりのサイフ's 3. CostPer also leads on update cadence (every 4 days vs every 3 months). ふたりのサイフ's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price 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. CostPer asks for nothing beyond the download.

ふたりのサイフ ships an update every 3 months, CostPer every 4 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ふたりのサイフ | CostPer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1465729591/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 51 MB | 4 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takuya Soneda](https://appshunter.io/developer/1071587623) | [ATSUSHI TANABE](https://appshunter.io/developer/1870157155) |

## 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 |


### CostPer

[App page](https://appshunter.io/ios/app/costper/id6757994772)

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

**In-app purchases:** none


## 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 CostPer free?

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

### Do ふたりのサイフ or CostPer have ads?

Both ふたりのサイフ and CostPer show ads.

### Which is updated more often, ふたりのサイフ or CostPer?

ふたりのサイフ ships an update every 3 months, and CostPer every 4 days. Most recently, ふたりのサイフ was updated on October 24, 2026 and CostPer on October 7, 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.*