# YAまん婆の公式アプリ vs viola【公式アプリ】

YAまん婆の公式アプリ and viola【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.

YAまん婆の公式アプリ ships an update every 38 months, viola【公式アプリ】 every 55 months. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | YAまん婆の公式アプリ | viola【公式アプリ】 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 55 months |
| Size | 17 MB | 17 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [ETSUO YAMAGUCHI](https://appshunter.io/developer/1520346038) | [ITO KENICHI](https://appshunter.io/developer/1594987441) |

## What reviewers say

### YAまん婆の公式アプリ

[App page](https://appshunter.io/ios/app/ya/id1520346036)

**In-app purchases:** none


### viola【公式アプリ】

[App page](https://appshunter.io/ios/app/viola/id1594987439)

**In-app purchases:** none


## Frequently asked questions

### Is YAまん婆の公式アプリ free?

YAまん婆の公式アプリ is free to download, with no in-app purchases.

### Is viola【公式アプリ】 free?

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

### Do YAまん婆の公式アプリ or viola【公式アプリ】 have ads?

Neither YAまん婆の公式アプリ nor viola【公式アプリ】 shows ads.

### Which is updated more often, YAまん婆の公式アプリ or viola【公式アプリ】?

YAまん婆の公式アプリ ships an update every 38 months, and viola【公式アプリ】 every 55 months. Most recently, YAまん婆の公式アプリ was updated on October 5, 2026 and viola【公式アプリ】 on October 16, 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.*