# Siro（シロ） vs Rococo

Siro（シロ） and Rococo 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.

Siro（シロ） ships an update every 20 months, Rococo every 37 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Siro（シロ） | Rococo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 20 months** | Every 37 months |
| Size | 3 MB | 3 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [shingo kamei](https://appshunter.io/developer/1256845824) | [Naoya Takahashi](https://appshunter.io/developer/1301211980) |

## What reviewers say

### Siro（シロ）

[App page](https://appshunter.io/ios/app/siro/id1616519579)

**In-app purchases:** none


### Rococo

[App page](https://appshunter.io/ios/app/rococo/id1637372354)

**In-app purchases:** none


## Frequently asked questions

### Is Siro（シロ） free?

Siro（シロ） is free to download, with no in-app purchases.

### Is Rococo free?

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

### Do Siro（シロ） or Rococo have ads?

Neither Siro（シロ） nor Rococo shows ads.

### Which is updated more often, Siro（シロ） or Rococo?

Siro（シロ） ships an update every 20 months, and Rococo every 37 months. Most recently, Siro（シロ） was updated on November 3, 2026 and Rococo on November 3, 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.*