# SUB ROSA vs パスタ研究所Dawn

The clearest difference is iOS requirement: SUB ROSA at 9.0 against パスタ研究所Dawn'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, パスタ研究所Dawn every 39 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SUB ROSA | パスタ研究所Dawn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 24 months** | Every 39 months |
| Size | 17 MB | 32 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [HIROKATSU MATSUSHIMA](https://appshunter.io/developer/1489141711) | [KEITA WAKABAYASHI](https://appshunter.io/developer/1606119432) |

## What reviewers say

### SUB ROSA

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

**In-app purchases:** none


### パスタ研究所Dawn

[App page](https://appshunter.io/ios/app/dawn/id1606119430)

**In-app purchases:** none


## Frequently asked questions

### Is SUB ROSA free?

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

### Is パスタ研究所Dawn free?

パスタ研究所Dawn is free to download, with no in-app purchases.

### Do SUB ROSA or パスタ研究所Dawn have ads?

Neither SUB ROSA nor パスタ研究所Dawn shows ads.

### Which is updated more often, SUB ROSA or パスタ研究所Dawn?

SUB ROSA ships an update every 24 months, and パスタ研究所Dawn every 39 months. Most recently, SUB ROSA was updated on October 3, 2026 and パスタ研究所Dawn on October 7, 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.*