# スマin（すまいん） vs 契約リマインダー

The clearest difference is in-app purchases: スマin（すまいん） at none against 契約リマインダー's 2. 契約リマインダー's advantage is ads (none vs shown) and update cadence (every 5 days vs every 14 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 契約リマインダー sells 2 in-app purchases, starting at $0.49 per month. スマin（すまいん） asks for nothing beyond the download.

スマin（すまいん） ships an update every 14 months, 契約リマインダー every 5 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | スマin（すまいん） | 契約リマインダー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Every 5 days** |
| Size | 21 MB | 91 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aperi Inc.](https://appshunter.io/developer/1657602352) | [Moeki Kozawa](https://appshunter.io/developer/1770452138) |

## What reviewers say

### スマin（すまいん）

[App page](https://appshunter.io/ios/app/in/id6480444133)

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

**In-app purchases:** none


### 契約リマインダー

[App page](https://appshunter.io/ios/app/id6762612924)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 月額プラン | $0.49 | per month |
| Pro 年額プラン | $5.99 | per year |


## Frequently asked questions

### Is スマin（すまいん） free?

スマin（すまいん） is free to download, with no in-app purchases.

### Is 契約リマインダー free?

契約リマインダー is free to download, with in-app purchases available.

### Do スマin（すまいん） or 契約リマインダー have ads?

スマin（すまいん） shows ads; 契約リマインダー does not.

### Which is updated more often, スマin（すまいん） or 契約リマインダー?

スマin（すまいん） ships an update every 14 months, and 契約リマインダー every 5 days. Most recently, スマin（すまいん） was updated on October 30, 2026 and 契約リマインダー on October 31, 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.*