Good Lock : Custom Lock Screen

Good Lock : Custom Lock Screen

heyUp (Good Lock)
★★★☆☆ 3.1 Personalization v3.5.563 1,000,000+
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Some apps are distributed as Split APKs (multiple .apk files packaged together) to optimize resources. Standard Android installers cannot open them.

1. Download Split APKs Installer (SAI) from Google Play Store.
2. Download the app archive (.apks) using the download sources listed above.
3. Open SAI, click "Install APKs", choose the downloaded archive, and click Install.

Related Applications

Version
3.5.563
Downloads
1,000,000+
Updated
Jun 28, 2026
Developer
heyUp (Good Lock)
Category
Personalization
Content Rating
Everyone
Package
com.sonjoon.goodlock
Platform
Android
ScreenshotScreenshotScreenshotScreenshotScreenshotScreenshot

What's New

We are using AI to continuously improve Good Lock (Goodlock) app's stability and performance.
1. We are boosting system stability and UI responsiveness.
2. We are actively resolving crash issues for better reliability.
3. We are continuously optimizing various features.
4. We are ongoingly fixing bugs to enhance overall quality.

About this app

Customize your custom lock screen with aesthetic wallpapers, lock screen widgets, and smart tools on Good Lock!

Turn on your phone to experience a unique Good Lock screen style tailored just for you. Escape from boring default phone layouts and combine highly practical Good Lock widgets with beautiful lock screen wallpapers to complete your perfect phone customization.

"The moment you turn on Good Lock (Goodlock), your daily life becomes smarter and much more convenient."


✨ Create Your Own Style: 'Good Lock Aesthetic Customization'
- Design your own unique lock screen themes with various combinations of aesthetic wallpapers and functional Good Lock widgets.

- Discover exclusive design layouts and creative editorial illustration backgrounds found only on Good Lock (Goodlock).

- Enjoy fresh, premium AI-generated wallpapers and dynamic phone wallpaper themes updated every single week.


⚡ Instant Access Without Unlocking: 'Good Lock 0-Second Productivity Routine'
- Good Lock Music Player Widget: Play your favorite music and view real-time lyrics directly from your lock screen overlay.

- Good Lock Smart Notepad Widget: Write quick ideas, check important notes instantly, and edit them on the spot.

- Good Lock Calendar Widget: View your monthly calendar schedules and upcoming events at a glance without unlocking.
- Good Lock Smart Shortcuts: Double-tap the lock screen to instantly launch your pre-configured favorite apps.


🏠 Your Personal Quick Launcher: Good Lock 'Mini Home'
- Keep your frequent contacts, favorite apps, and website links in one place, and launch them instantly from your Good Lock launcher screen.


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📜 "Since 2015: An 11-Year Journey of the Original Independent Good Lock Service"

The original Good Lock (Goodlock) is an independent lock screen service with a deep history, having walked its own path since March 15, 2015.

Although we occasionally face misunderstandings due to similar service names, our Good Lock has been independently operating for much longer, researching advanced lock screen widgets and aesthetic phone customization features for our users.

While we experienced a period of stagnation due to budget and resource limitations, I have recently leveraged advanced AI tools to personally upgrade Good Lock's system stability and UI performance by myself.

Without flashy marketing, I am pouring my heart and passion as a lone developer into constantly upgrading this app. If you love Good Lock screen widgets and phone customization, please support us with your warm reviews and stars. Thank you!


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[Required Permissions]
- Display over other apps (Overlay): Absolutely required to display the Good Lock screen and provide seamless utility service.

[Optional Permissions]
- Contacts: To import frequent contacts into the Good Lock Mini Home launcher.
- Music and Audio: To load local music files from your device for the audio widget.
- Calendar: To display your Google Calendar schedule on the lock screen widget.
- Notifications: To create a status notification bar (Optional).
* You can deny optional permissions and still use the basic services of the app normally.

[Android Version Check]
- Works perfectly on Android 6.0 and above. We highly recommend upgrading to the latest OS version for the best performance experience. To reset permissions, please uninstall and reinstall the app.

How to Download Good Lock : Custom Lock Screen APK

  1. Enter the package name com.sonjoon.goodlock on the APK Downloader homepage.
  2. Select your device architecture (ARM64 recommended for modern devices).
  3. Click Download to get the merged APK file.
  4. Transfer and install the APK on your Android device.
  5. Keep Updated: Visit APK Downloader regularly to search for and download the latest secure versions of your favorite apps.

Security & Signature Verification

This APK download is 100% safe. We verify that the cryptographic signature of the file matches the official developer credentials. No modifications or adware are injected.

Calendar Basic Access
  • read calendar events plus confidential information
Contacts Special Access
  • read your contacts
  • modify your contacts
Photos/Media/Files Basic Access
  • read the contents of your USB storage
  • modify or delete the contents of your USB storage
Storage Basic Access
  • read the contents of your USB storage
  • modify or delete the contents of your USB storage
Wi-Fi connection information Basic Access
  • view Wi-Fi connections
Other Basic Access
  • view network connections
  • disable your screen lock
  • full network access
  • run at startup
  • set wallpaper
  • draw over other apps
  • control vibration
  • prevent device from sleeping
  • modify system settings
  • Google Play license check