# JB洗車センター vs 水口タイヤ商会

JB洗車センター and 水口タイヤ商会 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.

JB洗車センター ships an update every 15 months, 水口タイヤ商会 every 22 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | JB洗車センター | 水口タイヤ商会 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 15 months** | Every 22 months |
| Size | 3 MB | 4 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RAVEN CO.,LTD.](https://appshunter.io/developer/1551272372) | [MIZUGUCHI TIRE SHOKAI, Y.K.](https://appshunter.io/developer/1617955841) |

## What reviewers say

### JB洗車センター

[App page](https://appshunter.io/ios/app/jb/id1551272370)

**Features:** macOS Compatibility

**In-app purchases:** none


### 水口タイヤ商会

[App page](https://appshunter.io/ios/app/id1617955839)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JB洗車センター free?

JB洗車センター is free to download, with no in-app purchases.

### Is 水口タイヤ商会 free?

水口タイヤ商会 is free to download, with no in-app purchases.

### Do JB洗車センター or 水口タイヤ商会 have ads?

Both JB洗車センター and 水口タイヤ商会 show ads.

### Which is updated more often, JB洗車センター or 水口タイヤ商会?

JB洗車センター ships an update every 15 months, and 水口タイヤ商会 every 22 months. Most recently, JB洗車センター was updated on November 3, 2026 and 水口タイヤ商会 on October 25, 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.*