# Lock screen passcode

> Lock screen by passcode - Very simple and useful

Canonical page: [https://chrome-stats.com/d/com.kunkun.passcode](https://chrome-stats.com/d/com.kunkun.passcode)

## Overview

- **ID:** `com.kunkun.passcode`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** kunkun apps
- **Category:** TOOLS
- **Downloads:** 14,338,566
- **Rating:** 3.94 / 5 (66,654 ratings)
- **Version:** 2.8.8
- **Last updated:** 2026-09-08
- **First published:** 2016-05-16
- **Publisher country:** VN
- **Size:** 25 MB
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.kunkun.passcode)
- **Website:** [http://kunkun-app.appspot.com/](http://kunkun-app.appspot.com/)
- **Privacy policy:** [https://sites.google.com/view/kunkun-policy](https://sites.google.com/view/kunkun-policy)

## Description

## Lock Screen Passcode Extension

Enhance your device's security with the *Lock Screen Passcode* Chrome extension. This simple yet powerful tool enables you to lock your screen using a passcode keypad, protecting your privacy from unauthorized access. Its clean and minimalist design ensures minimal battery and memory consumption.

Choose from a variety of beautiful and exquisitely designed wallpapers to customize your lock screen, including options to feature your favorite photos such as loved ones or children. The lock screen also conveniently displays important mobile statuses like network connectivity, Wi-Fi, and battery levels.

Easy to set up, just create your passcode and enjoy a secure, aesthetically pleasing lock screen that blends functionality with personal style.

## Rankings

- #10,277 — Overall
- #17 — password

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.DISABLE_KEYGUARD`
- `android.permission.EXPAND_STATUS_BAR`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_SPECIAL_USE`
- `android.permission.GET_TASKS`
- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_PHONE_STATE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.REORDER_TASKS`
- `android.permission.SCHEDULE_EXACT_ALARM`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.USES_POLICY_FORCE_LOCK`
- `android.permission.USE_FINGERPRINT`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `android.permission.WRITE_SETTINGS`
- `com.android.launcher.permission.INSTALL_SHORTCUT`
- `com.android.launcher.permission.UNINSTALL_SHORTCUT`
- `com.android.vending.BILLING`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.kunkun.passcode.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Reviews praise ease of use, wallpaper customization, and privacy features of the Lock screen passcode app. However, many users report reliability problems and conflicting experiences, with some alleging scams or hacking. Some note the lock screen can persist after uninstall, and there are localization glitches (English toggling to Russian). Overall, the app is popular but its safety concerns and inconsistent functionality temper the positives.

### Pros

- Easy to use and intuitive
- Customizable wallpaper/background on the lock screen
- Privacy and security features that protect information
- Keeps passwords or secrets private
- Generally positive reception and considered among the best lock screen/password apps

### Cons

- Reliability issues; some reviews say it doesn’t work well
- Security concerns and scam/hacking warnings from users
- Lock screen persists after uninstall or cannot be removed
- Language localization issues (English UI switching to Russian)
- Not always functional for password/background changes and may misbehave

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