# air（エアー） vs Prima公式アプリ

The clearest difference is update cadence: air（エアー） at every 9 months against Prima公式アプリ's every 38 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

air（エアー） ships an update every 9 months, Prima公式アプリ every 38 months. Both last shipped on October 2, 2026.

## The numbers

| Metric | air（エアー） | Prima公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 38 months |
| Monetization | Free | — |
| Size | 3 MB | 17 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoya Takahashi](https://appshunter.io/developer/1301211980) | [MARIKA IKAWA](https://appshunter.io/developer/1494119052) |

## What reviewers say

### air（エアー）

[App page](https://appshunter.io/ios/app/air/id926670297)

This official app simplifies booking services with 24/7 availability. Manage reservations, view history, and cancel appointments easily through your personal page. Stay updated with the latest news and offers.

**Highlights:** Easy 24/7 booking, Reservation management, Booking history, Cancellation options, Personal account page, Notifications

**In-app purchases:** none


### Prima公式アプリ

[App page](https://appshunter.io/ios/app/prima/id1494119053)

**In-app purchases:** none


## Frequently asked questions

### Is air（エアー） free?

air（エアー） is free to download, with no in-app purchases.

### Is Prima公式アプリ free?

Prima公式アプリ is free to download, with no in-app purchases.

### Do air（エアー） or Prima公式アプリ have ads?

Neither air（エアー） nor Prima公式アプリ shows ads.

### Which is updated more often, air（エアー） or Prima公式アプリ?

air（エアー） ships an update every 9 months, and Prima公式アプリ every 38 months. Most recently, air（エアー） was updated on October 2, 2026 and Prima公式アプリ on October 2, 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.*