# ROOM 烏丸 vs S.i

ROOM 烏丸 and S.i 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.

ROOM 烏丸 ships an update every 56 months, S.i every 48 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ROOM 烏丸 | S.i |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 48 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) | [TATSUHIRO INOUE](https://appshunter.io/developer/1610301721) |

## What reviewers say

### ROOM 烏丸

[App page](https://appshunter.io/ios/app/room/id1082920511)

**Features:** macOS Compatibility

**In-app purchases:** none


### S.i

[App page](https://appshunter.io/ios/app/si/id1610301719)

**In-app purchases:** none


## Frequently asked questions

### Is ROOM 烏丸 free?

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

### Is S.i free?

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

### Do ROOM 烏丸 or S.i have ads?

Neither ROOM 烏丸 nor S.i shows ads.

### Which is updated more often, ROOM 烏丸 or S.i?

ROOM 烏丸 ships an update every 56 months, and S.i every 48 months. Most recently, ROOM 烏丸 was updated on October 26, 2026 and S.i on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*