# Salt & Sugar vs ZERO【RUSH/岡野/裏横２階】

Salt & Sugar and ZERO【RUSH/岡野/裏横２階】 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.

Salt & Sugar ships an update every 12 months, ZERO【RUSH/岡野/裏横２階】 every 9 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Salt & Sugar | ZERO【RUSH/岡野/裏横２階】 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 9 months** |
| Size | 3 MB | 85 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [PANTOGRAPH, K.K.](https://appshunter.io/developer/1495013072) | [ZERO Co., Ltd. (YOKOHAMA)](https://appshunter.io/developer/1606286901) |

## What reviewers say

### Salt & Sugar

[App page](https://appshunter.io/ios/app/salt-and-sugar/id1495013073)

**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 Salt & Sugar free?

Salt & Sugar 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 Salt & Sugar or ZERO【RUSH/岡野/裏横２階】 have ads?

Neither Salt & Sugar nor ZERO【RUSH/岡野/裏横２階】 shows ads.

### Which is updated more often, Salt & Sugar or ZERO【RUSH/岡野/裏横２階】?

Salt & Sugar ships an update every 12 months, and ZERO【RUSH/岡野/裏横２階】 every 9 months. Most recently, Salt & Sugar was updated on November 3, 2026 and ZERO【RUSH/岡野/裏横２階】 on November 4, 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.*