# Nailsalon Contrail vs 【flat】公式アプリ

Nailsalon Contrail and 【flat】公式アプリ are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Nailsalon Contrail ships an update every 38 months, 【flat】公式アプリ every 33 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Nailsalon Contrail | 【flat】公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 33 months** |
| Size | 41 MB | 32 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MEGUMI UNO](https://appshunter.io/developer/1551778815) | [KAORI FUKUSHIMA](https://appshunter.io/developer/1583931219) |

## What reviewers say

### Nailsalon Contrail

[App page](https://appshunter.io/ios/app/nailsalon-contrail/id1551778813)

**In-app purchases:** none


### 【flat】公式アプリ

[App page](https://appshunter.io/ios/app/flat/id1583931217)

**In-app purchases:** none


## Frequently asked questions

### Is Nailsalon Contrail free?

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

### Is 【flat】公式アプリ free?

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

### Do Nailsalon Contrail or 【flat】公式アプリ have ads?

Neither Nailsalon Contrail nor 【flat】公式アプリ shows ads.

### Which is updated more often, Nailsalon Contrail or 【flat】公式アプリ?

Nailsalon Contrail ships an update every 38 months, and 【flat】公式アプリ every 33 months. Most recently, Nailsalon Contrail was updated on October 25, 2026 and 【flat】公式アプリ on October 25, 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.*