# Good Lock : Custom Lock Screen

> Original Good Lock: Aesthetic lock screen widgets, wallpapers, clock, calendar.

Canonical page: [https://chrome-stats.com/d/com.sonjoon.goodlock](https://chrome-stats.com/d/com.sonjoon.goodlock)

## Overview

- **ID:** `com.sonjoon.goodlock`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** heyUp (Good Lock)
- **Category:** PERSONALIZATION
- **Downloads:** 3,400,888
- **Rating:** 3.06 / 5 (3,744 ratings)
- **Version:** 3.5.620
- **Last updated:** 2026-09-12
- **First published:** 2015-03-15
- **Publisher country:** KR
- **Size:** 43 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.sonjoon.goodlock)
- **Website:** [https://good-lock.net/](https://good-lock.net/)
- **Privacy policy:** [https://good-lock.net/guide.html](https://good-lock.net/guide.html)

## Description

**Good Lock** is an Android lock screen customization app for creating personalized themes with aesthetic wallpapers, stylish clocks, calendars, schedules, memos, and music widgets. Launch favorite apps, contacts, bookmarks, and notes directly from the lock screen, use double-tap shortcuts, and access frequently used items through the Mini Home launcher.

The app works on Android 6.0 and above across Galaxy and non-Galaxy devices. It overlays the existing lock screen without replacing your fingerprint, PIN, or pattern security. Good Lock is free, requires no account, and keeps user-created content on the device. Ads appear only on settings pages. This independent app is not affiliated with Samsung Electronics or Samsung’s similarly named Good Lock service.

## Rankings

- #31,865 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.DISABLE_KEYGUARD`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK`
- `android.permission.FOREGROUND_SERVICE_SPECIAL_USE`
- `android.permission.INTERNET`
- `android.permission.PACKAGE_USAGE_STATS`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_CALENDAR`
- `android.permission.READ_CONTACTS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_MEDIA_AUDIO`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.SET_WALLPAPER`
- `android.permission.SET_WALLPAPER_HINTS`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_CONTACTS`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `android.permission.WRITE_MEDIA_STORAGE`
- `android.permission.WRITE_SETTINGS`
- `com.amazon.privacypass.ATTEST`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.samsung.android.providers.context.permission.WRITE_USE_APP_FEATURE_SURVEY`
- `com.sonjoon.goodlock.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Users praise the app for its stunning visuals, bright wallpapers, and a smooth, feature-rich lock-screen experience. However, multiple reviewers report drawbacks: ads without an ad-free path, privacy concerns over permissions, and compatibility issues on certain devices. There are also requests for more customization (clock font, password protection) and missing features (Spotify widget, playlist). Overall, the app is visually impressive and generally functional, but ads, privacy worries, and feature gaps limit appeal for some users.

### Pros

- Beautiful visuals with bright, high-quality wallpapers
- Smooth, fast lock-screen experience
- Widgets, homepage customization, and overall feature richness
- Polished and well-executed look that many users consider among the best

### Cons

- Intrusive ads with no available ad-free option (or in-app purchase)
- Privacy concerns due to extensive phone permissions/call-management access
- Not working on some devices or experiencing compatibility issues
- Limited customization options (no clock font changes, no password protection) and missing features like Spotify widget or playlist support

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