# 代行ナビ vs 飲酒ウォッチ

The clearest difference is review sentiment: 代行ナビ at 75% against 飲酒ウォッチ's 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.

代行ナビ ships an update every 2 months, 飲酒ウォッチ every 3 months. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 代行ナビ | 飲酒ウォッチ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 47 MB | 77 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [株式会社ヒラコー](https://appshunter.io/developer/1439216071) | [東海電子株式会社](https://appshunter.io/developer/1670260919) |

## What reviewers say

### 代行ナビ

[App page](https://appshunter.io/ios/app/id1489685082)

Find nearby designated driving services quickly using your GPS. Save your favorite services for easy re-booking and browse a comprehensive list of providers. This app is designed for users in Japan seeking convenient transportation options.

**Highlights:** Find nearby services via GPS, One-click search by municipality, Save favorite driving services, Browse comprehensive provider lists, Dedicated login for service providers

**Features:** macOS Compatibility

**In-app purchases:** none


### 飲酒ウォッチ

[App page](https://appshunter.io/ios/app/id6450532761)

Easily simulate how long alcohol takes to leave your body. Input your drinks and profile details to see estimated breakdown times. Features a camera function to scan alcohol labels and includes alcohol dependence screening tests.

**Highlights:** Alcohol breakdown time simulation, Alcohol label scanning camera, Alcohol dependence screening tests, Simple input interface, Share simulation results to Twitter

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 代行ナビ free?

代行ナビ is free to download, with no in-app purchases.

### Is 飲酒ウォッチ free?

飲酒ウォッチ is free to download, with no in-app purchases.

### Do 代行ナビ or 飲酒ウォッチ have ads?

Neither 代行ナビ nor 飲酒ウォッチ shows ads.

### Which is updated more often, 代行ナビ or 飲酒ウォッチ?

代行ナビ ships an update every 2 months, and 飲酒ウォッチ every 3 months. Most recently, 代行ナビ was updated on October 11, 2026 and 飲酒ウォッチ on October 8, 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.*