# 防災・防犯ブザー・電話 緊急SOS

> Emergency and security alarm with location information and phone calling functions that works without ads or data connections.

Canonical page: [https://chrome-stats.com/d/com.nxk.sosalarm](https://chrome-stats.com/d/com.nxk.sosalarm)

## Overview

- **ID:** `com.nxk.sosalarm`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** 貝木開発
- **Category:** TOOLS
- **Downloads:** 24
- **Version:** 1.5
- **Last updated:** 2025-12-02
- **First published:** 2025-11-17
- **Publisher country:** JP
- **Size:** 25 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.nxk.sosalarm)
- **Website:** [https://joyful-syrniki-15dff1.netlify.app/](https://joyful-syrniki-15dff1.netlify.app/)
- **Privacy policy:** [https://sites.google.com/view/kaikisosalarm/%E3%83%9B%E3%83%BC%E3%83%A0](https://sites.google.com/view/kaikisosalarm/%E3%83%9B%E3%83%BC%E3%83%A0)

## Description

&quot;Emergency SOS for Disaster Prevention, Crime Prevention, and Phone Calls&quot; is an emergency security app that sounds a loud buzzer with one tap in an emergency and easily sends SMS and phone calls to pre-registered contacts.<br><br>The app is completely free of advertising and in-app purchases, and runs entirely on the device.<br>No communication or data is sent to external servers.<br><br>Main Features<br><br>Buzzer Function: Alerts those around you to danger with a loud alarm.<br>A flashing light (on/off switchable) adds a visual appeal.<br><br>Location Display: Automatically obtains your current location from GPS and displays it on the screen.<br>In an emergency, you can automatically insert your address into the SMS text.<br><br>SMS Sending Assistance: Creates a message to registered contacts with &quot;Emergency SOS&quot; and your location information.<br>Since the actual sending is user-initiated, there is no risk of sending to the wrong person.<br><br>Phone Call Assistance: Go to the call screen with one tap on &quot;110&quot; or a registered number.<br>The phone book app opens automatically, making it easy to use even for beginners.<br><br>Flash Blink Settings<br>The camera flash will blink rapidly in sync with the buzzer sound.<br>This can alert others to abnormalities, even at night or during a power outage.<br><br>Storage Settings on Device<br>All registered contacts and settings are stored locally on the device and<br>are never sent to the cloud or a server.<br><br>This app contains no ads and does not track or collect data for revenue purposes.<br><br>User personal information, location information, or phone number will not be sent to third parties, including the developer.<br><br>The developer is not responsible for any damage or issues arising from the use of the app.<br>Use at your own discretion and risk.<br><br>Notes<br><br>This app is a tool to assist the user&#39;s safety and does not guarantee the reliability of rescue or notification.<br>The effectiveness of the buzzer sound and flash may vary depending on the device&#39;s performance and surrounding environment.

## Rankings

- #2,538,299 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.CAMERA`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_CAMERA`
- `android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK`
- `android.permission.MODIFY_AUDIO_SETTINGS`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.WAKE_LOCK`
- `com.android.vending.CHECK_LICENSE`
- `com.nxk.sosalarm.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.nxk.sosalarm)