# Aqua vitae vs ZERO【RUSH/岡野/裏横２階】

The clearest difference is update cadence: ZERO【RUSH/岡野/裏横２階】 at every 9 months against Aqua vitae's every 39 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Aqua vitae ships an update every 39 months, ZERO【RUSH/岡野/裏横２階】 every 9 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Aqua vitae | ZERO【RUSH/岡野/裏横２階】 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 9 months** |
| Size | 13 MB | 85 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [JUNKO KIDA](https://appshunter.io/developer/1628086390) | [ZERO Co., Ltd. (YOKOHAMA)](https://appshunter.io/developer/1606286901) |

## What reviewers say

### Aqua vitae

[App page](https://appshunter.io/ios/app/aqua-vitae/id1628086388)

**In-app purchases:** none


### ZERO【RUSH/岡野/裏横２階】

[App page](https://appshunter.io/ios/app/zerorush/id6478095668)

**In-app purchases:** none


## Frequently asked questions

### Is Aqua vitae free?

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

### Is ZERO【RUSH/岡野/裏横２階】 free?

ZERO【RUSH/岡野/裏横２階】 is free to download, with no in-app purchases.

### Do Aqua vitae or ZERO【RUSH/岡野/裏横２階】 have ads?

Neither Aqua vitae nor ZERO【RUSH/岡野/裏横２階】 shows ads.

### Which is updated more often, Aqua vitae or ZERO【RUSH/岡野/裏横２階】?

Aqua vitae ships an update every 39 months, and ZERO【RUSH/岡野/裏横２階】 every 9 months. Most recently, Aqua vitae was updated on October 1, 2026 and ZERO【RUSH/岡野/裏横２階】 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.*