# Calla　公式アプリ vs yori　公式アプリ

Calla　公式アプリ and yori　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.

Calla　公式アプリ ships an update every 38 months, yori　公式アプリ every 39 months. The most recent releases landed on September 14, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Calla　公式アプリ | yori　公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 39 months |
| Size | 28 MB | 17 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKAHIRO MORITA](https://appshunter.io/developer/1655266317) | [AYA NOMACHI](https://appshunter.io/developer/1690507918) |

## What reviewers say

### Calla　公式アプリ

[App page](https://appshunter.io/ios/app/calla/id6444546781)

**In-app purchases:** none


### yori　公式アプリ

[App page](https://appshunter.io/ios/app/yori/id6449756299)

**In-app purchases:** none


## Frequently asked questions

### Is Calla　公式アプリ free?

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

### Is yori　公式アプリ free?

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

### Do Calla　公式アプリ or yori　公式アプリ have ads?

Neither Calla　公式アプリ nor yori　公式アプリ shows ads.

### Which is updated more often, Calla　公式アプリ or yori　公式アプリ?

Calla　公式アプリ ships an update every 38 months, and yori　公式アプリ every 39 months. Most recently, Calla　公式アプリ was updated on September 14, 2026 and yori　公式アプリ on October 27, 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.*