# StudioZERO　公式アプリ vs salon　ca

The clearest difference is update cadence: salon　ca at every 8 months against StudioZERO　公式アプリ's every 39 months. StudioZERO　公式アプリ's advantage is iOS requirement (12.0 vs 15.0). 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.

StudioZERO　公式アプリ ships an update every 39 months, salon　ca every 8 months. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | StudioZERO　公式アプリ | salon　ca |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 8 months** |
| Size | 15 MB | 9 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TOMOMI SUZUKI](https://appshunter.io/developer/1436688369) | [Shuji Izawa](https://appshunter.io/developer/1619442466) |

## What reviewers say

### StudioZERO　公式アプリ

[App page](https://appshunter.io/ios/app/studiozero/id1436688370)

**In-app purchases:** none


### salon　ca

[App page](https://appshunter.io/ios/app/salon-ca-ra-ra/id1623748743)

**In-app purchases:** none


## Frequently asked questions

### Is StudioZERO　公式アプリ free?

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

### Is salon　ca free?

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

### Do StudioZERO　公式アプリ or salon　ca have ads?

Neither StudioZERO　公式アプリ nor salon　ca shows ads.

### Which is updated more often, StudioZERO　公式アプリ or salon　ca?

StudioZERO　公式アプリ ships an update every 39 months, and salon　ca every 8 months. Most recently, StudioZERO　公式アプリ was updated on September 29, 2026 and salon　ca on October 4, 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.*