# VIERRE vs studio corona 公式アプリ

VIERRE and studio corona 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.

VIERRE ships an update every 40 months, studio corona 公式アプリ every 71 months. The most recent releases landed on September 15, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | VIERRE | studio corona 公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 40 months** | Every 71 months |
| Size | 13 MB | 15 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AKIKO HIRABAYASHI](https://appshunter.io/developer/1324425758) | [NOBURO IDA](https://appshunter.io/developer/1530508702) |

## What reviewers say

### VIERRE

[App page](https://appshunter.io/ios/app/vierre/id1324425759)

**In-app purchases:** none


### studio corona 公式アプリ

[App page](https://appshunter.io/ios/app/studio-corona/id1530508700)

**In-app purchases:** none


## Frequently asked questions

### Is VIERRE free?

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

### Is studio corona 公式アプリ free?

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

### Do VIERRE or studio corona 公式アプリ have ads?

Neither VIERRE nor studio corona 公式アプリ shows ads.

### Which is updated more often, VIERRE or studio corona 公式アプリ?

VIERRE ships an update every 40 months, and studio corona 公式アプリ every 71 months. Most recently, VIERRE was updated on September 15, 2026 and studio corona 公式アプリ on September 19, 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.*