# ふたりのサイフ vs seatkeep

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

ふたりのサイフ ships an update every 3 months, seatkeep every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | ふたりのサイフ | seatkeep |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 51 MB | 20 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takuya Soneda](https://appshunter.io/developer/1071587623) | [rdlabo.inc](https://appshunter.io/developer/1142546639) |

## 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 |


### seatkeep

[App page](https://appshunter.io/ios/app/seatkeep/id6809667756)

**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 seatkeep free?

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

### Do ふたりのサイフ or seatkeep have ads?

ふたりのサイフ shows ads; seatkeep does not.

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

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