# SUB ROSA vs ライトハウス

The clearest difference is iOS requirement: SUB ROSA at 9.0 against ライトハウス's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SUB ROSA ships an update every 24 months, ライトハウス every 38 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SUB ROSA | ライトハウス |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 24 months** | Every 38 months |
| Size | 17 MB | 35 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [HIROKATSU MATSUSHIMA](https://appshunter.io/developer/1489141711) | [GROOVY SOUND, K.K.](https://appshunter.io/developer/1573520536) |

## What reviewers say

### SUB ROSA

[App page](https://appshunter.io/ios/app/sub-rosa/id1489141712)

**In-app purchases:** none


### ライトハウス

[App page](https://appshunter.io/ios/app/id1573520534)

**In-app purchases:** none


## Frequently asked questions

### Is SUB ROSA free?

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

### Is ライトハウス free?

ライトハウス is free to download, with no in-app purchases.

### Do SUB ROSA or ライトハウス have ads?

Neither SUB ROSA nor ライトハウス shows ads.

### Which is updated more often, SUB ROSA or ライトハウス?

SUB ROSA ships an update every 24 months, and ライトハウス every 38 months. Most recently, SUB ROSA was updated on October 26, 2026 and ライトハウス 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.*