Good Lock : Custom Lock Screen

Content rating
Everyone
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The latest innovation from heyUp (Good Lock) through Good Lock : Custom Lock Screen is set to transform how you interact with AGCscript. Visit Personalization for related info.

Complete Info About This Latest Version Good Lock : Custom Lock Screen

Good Lock is a custom lock screen app for Android.
Combine aesthetic wallpapers with clock, calendar, schedule, memo and music widgets to build your own lock screen theme, and open apps, bookmarks, memos and contacts straight from the lock screen.

First released on March 15, 2015, Good Lock has been built and run by a single independent developer for 11 years.
Every feature is free, and no account sign-up is required.
The lock screen and Mini Home carry no ads; ads appear only on the settings pages.



※ This app is not affiliated with Samsung Electronics. It is a separate app that only shares a name with Samsung's Good Lock. (Samsung's Good Lock was released in March 2016.)

※ Good Lock works on any Android device regardless of manufacturer - on Galaxy phones and on non-Galaxy phones alike.



✨ Create Your Own Style: Aesthetic Phone Customization

- Build a one-of-a-kind lock screen theme from countless combinations of aesthetic wallpapers and practical widgets.

- Fresh, high-resolution wallpaper themes added every single week.



⚡ Instant Access Without Unlocking

- Clock widget: a wide range of stylish clock designs to match your theme.

- Calendar & schedule widget: see your monthly calendar and upcoming events at a glance, without unlocking.

- Music player widget: play your favorite music and view real-time lyrics directly from the lock screen.

- Quick memo: write down an idea, check an important note, and edit it on the spot.

- Tok Tok shortcuts: double-tap the lock screen to instantly launch a pre-configured favorite app.



🏠 Your Personal Quick Launcher: Mini Home

- Keep your frequent contacts, favorite apps, bookmarks and memos in one place and launch them instantly.
Swipe up from the bottom of the lock screen to open it.



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📜 Since 2015 - An 11-Year Journey as the Original Independent Good Lock

- You may see it written as Good Lock, GoodLock or Goodlock.
The official name is "Good Lock" - a blend of "Good" and "lock screen".
Your phone starts at the lock screen, so the name also wishes you good luck each day.

- Since another service with the same name arrived in March 2016, Good Lock is sometimes confused with it.
In fact it started a year earlier and has been operating independently the whole time.

- Progress slowed for a while due to budget and resource limits.
Lately I have used the latest AI tools to improve system stability and lock screen UI performance myself.

- There is no flashy marketing here - just a lone developer's persistence.
Leave your thoughts in a review and I will reflect them in the next update. Thank you.



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Good Lock is a "lock screen cover" that lays over your existing lock screen, so your fingerprint, PIN or pattern lock keeps working.
It does not replace or change your phone's security system.

[Required Permission]
- Display over other apps (Overlay): required to show the lock screen and run the service without interruption.

[Optional Permissions]
- Contacts: to import contacts into Mini Home
- Music and Audio: to load local music files for the music widget
- Calendar: to display your Google Calendar schedule
- Notifications: to create a status notification bar

* Optional permissions are requested only when you use the matching feature.
If you decline, every other feature still works normally.

* You can change permissions any time in Settings > Apps > Good Lock > Permissions.

[Privacy]
- With no account sign-up, Good Lock does not collect personal data such as your name or email address.
- The contacts permission is used only when you add a contact to Mini Home; that data is never sent to or stored on a server.
- What you set up and write stays on your phone and is removed when you uninstall the app.
- To keep the app free, it includes ads. Ad providers may collect your device's advertising ID for ad delivery.

[Android Version]
- Works on Android 6.0 and above.
Original Good Lock: Aesthetic lock screen widgets, wallpapers, clock, calendar.
Updated on
Aug 28, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • No data collected
    about how developers declare collection
  • Data is encrypted in transit
  • Data can’t be deleted

Ratings and reviews

3.67K reviews
alicia cooper
May 5, 2026
Use more ram than the previous version and always appears in the 'recent app' page. The previous version was never.
5 people found this review helpful
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heyUp (Good Lock)
May 7, 2026
We apologize for the inconvenience. RAM usage has been optimized in our latest update for better performance. We implemented the 'Recent Apps' visibility for standard usability, but we are open to re-evaluating this based on your feedback. We’re also leveraging AI to further stabilize and refine your experience. Stay tuned for more improvements!
Konan Lim
January 18, 2022
This application functions exactly as promised and works very well. I am frankly surprised that it has such a poor rating, and I can only assume that it has something to do with the name, which can be confused with Samsung's Good Lock application. In fact, I was actually looking for a Samsung Good Lock alternative for my non-Samsung device when I came across this application, but I was coincidentally also looking for a better Lock Screen for my device, and this application delivers on that well.
152 people found this review helpful
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João Oom
August 29, 2024
I didn't really try this app to its full potential, but it asks for lots of permissions plus it uses the name of an app exclusive to the Samsung Store with the same name, to get clout and downloads. So, read what it does and if it's for you, but it's not the Original Good Lock for Samsung Devices that was first released in 2016
53 people found this review helpful
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heyUp (Good Lock)
August 29, 2024
As you mentioned, we are not the 'Good Lock' released by Samsung. In fact, we launched our app much earlier (early 2015) than Samsung's version. Despite this, we've faced heavy criticism for allegedly copying Samsung's Good Lock, leading to many one-star reviews. We sincerely hope these misunderstandings can be cleared up.

What’s new

✨ Finally! your own video as your lock screen!
🎨 Redesigned photo & video filters.
⚡ Smaller app size, less storage used.
🔧 Bug fixes and stability improvements.