# Sim Guard(유심 해킹 변조 감지)

> This is a smart security app that detects SIM tampering and hacking and immediately warns you.

Canonical page: [https://chrome-stats.com/d/com.daper.simchecker](https://chrome-stats.com/d/com.daper.simchecker)

## Overview

- **ID:** `com.daper.simchecker`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** DAPER
- **Category:** PERSONALIZATION
- **Downloads:** 37
- **Version:** 1.1.1
- **Last updated:** 2025-10-24
- **First published:** 2025-04-28
- **Publisher country:** KR
- **Size:** 13 MB
- **Data as of:** 2026-09-17
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.daper.simchecker)
- **Privacy policy:** [https://feather-capacity-d92.notion.site/fe1e8afdac71478784f44e152dda1b92](https://feather-capacity-d92.notion.site/fe1e8afdac71478784f44e152dda1b92)

## Description

SIM Guard is a professional security app that detects and immediately alerts you to attempts to tamper, clone, or hack your smartphone&#39;s SIM card in real time.<br><br>📱 KEY FEATURES<br>- SIM card replacement detection<br>- Detection of change in phone number (Line1Number)<br>- Detection of change in telecommunication company (MCC/MNC)<br>- IMEI (device identification number) change detection (supports Android 9 and below)<br>- Detect SIM deactivation or removal<br>- Immediate notification and pop-up warning when there are signs of suspected hacking<br>- Save and check all event history as a list<br>- Suspicious hacking events are highlighted and distinguished<br>- Real-time status updates within the app<br><br>🔒 How does it work?<br>- The app monitors SIM status in the background.<br>- Immediate notifications and warnings are sent when signs of tampering/duplication/swapping occur.<br>- All detection history is stored safely with date.<br><br>🛡️Why SIM Guard?<br>- Prepare for mobile carrier impersonation attacks, SIM swapping, device theft, etc.<br>- Simple to use without separate registration or login<br>- No personal information is collected, only SIM status is monitored<br><br>※ SIM Guard never collects user personal information.  <br>※ Depending on Android policy, some functions may be restricted depending on the OS version.<br><br>Install now and strengthen your communication security!

## Rankings

- #2,379,076 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_SPECIAL_USE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_PHONE_STATE`
- `android.permission.READ_PRIVILEGED_PHONE_STATE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `com.android.vending.CHECK_LICENSE`
- `com.daper.simchecker.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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