# Shirushi vs C

The clearest difference is in-app purchases: C at none against Shirushi's 2. Shirushi's advantage is update cadence (every 2 days vs every 9 days) and iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Shirushi sells 2 in-app purchases, starting at $1.99 per month. C asks for nothing beyond the download.

Shirushi ships an update every 2 days, C every 9 days. The most recent releases landed on October 28, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Shirushi | C |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Size | 71 MB | 5 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Daisaku Mori](https://appshunter.io/developer/1892935206) | [HANDSUM.INC](https://appshunter.io/developer/968016240) |

## What reviewers say

### Shirushi

[App page](https://appshunter.io/ios/app/shirushi/id6762458321)

**Features:** Apple Watch app, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shirushi Premium Monthly | $1.99 | per month |
| YAMATO Premium | $4.99 | per month |


### C

[App page](https://appshunter.io/ios/app/c-1440/id6779900172)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Shirushi free?

Shirushi is free to download, with in-app purchases available.

### Is C free?

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

### Do Shirushi or C have ads?

Neither Shirushi nor C shows ads.

### Which is updated more often, Shirushi or C?

Shirushi ships an update every 2 days, and C every 9 days. Most recently, Shirushi was updated on October 28, 2026 and C 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.*