# Authen. vs 天城町防災アプリ

The clearest difference is update cadence: 天城町防災アプリ at every 2 months against Authen.'s every 49 months. Authen.'s advantage is iOS requirement (13.0 vs 16.0). 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.

Authen. ships an update every 49 months, 天城町防災アプリ every 2 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Authen. | 天城町防災アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 2 months** |
| Size | 3 MB | 38 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Naoya Takahashi](https://appshunter.io/developer/1301211980) | [天城町](https://appshunter.io/developer/1607808030) |

## What reviewers say

### Authen.

[App page](https://appshunter.io/ios/app/authen/id1592975112)

**In-app purchases:** none


### 天城町防災アプリ

[App page](https://appshunter.io/ios/app/id1607808028)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Authen. free?

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

### Is 天城町防災アプリ free?

天城町防災アプリ is free to download, with no in-app purchases.

### Do Authen. or 天城町防災アプリ have ads?

Neither Authen. nor 天城町防災アプリ shows ads.

### Which is updated more often, Authen. or 天城町防災アプリ?

Authen. ships an update every 49 months, and 天城町防災アプリ every 2 months. Most recently, Authen. was updated on October 6, 2026 and 天城町防災アプリ on October 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.*