# StudioZERO　公式アプリ vs RAVINAIL

The clearest difference is iOS requirement: RAVINAIL at 9.0 against StudioZERO　公式アプリ's 12.0. On price, update cadence, ads and in-app purchases 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, RAVINAIL every 28 months. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | StudioZERO　公式アプリ | RAVINAIL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 28 months** |
| Size | 15 MB | 21 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TOMOMI SUZUKI](https://appshunter.io/developer/1436688369) | [SAYAKA SUEHIRO](https://appshunter.io/developer/1467721518) |

## What reviewers say

### StudioZERO　公式アプリ

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

**In-app purchases:** none


### RAVINAIL

[App page](https://appshunter.io/ios/app/ravinail/id1467721519)

**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 RAVINAIL free?

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

### Do StudioZERO　公式アプリ or RAVINAIL have ads?

Neither StudioZERO　公式アプリ nor RAVINAIL shows ads.

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

StudioZERO　公式アプリ ships an update every 39 months, and RAVINAIL every 28 months. Most recently, StudioZERO　公式アプリ was updated on September 29, 2026 and RAVINAIL on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*