4.4
4.27K reviews
1M+
Downloads
Content rating
Rated for 3+
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About this app

Good Lock is an app that helps Samsung smartphone users use their smartphones more conveniently.

With Good Lock’s plugins, users can customize the UI of the status bar, Quick Panel, lock screen, keyboard, and more, and use features such as Multi Window, audio, and Routine more conveniently.

Good Lock’s main plugins

- LockStar: Create new lock screens and AOD styles.
- ClockFace: Set various clock styles for the lock screen and AOD.
- NavStar: Conveniently organize navigation bar buttons and swipe gestures.
- Home Up: It provides an improved One UI Home experience.
- QuickStar: Organize a simple and unique top bar and Quick panel.
- Wonderland: Create backgrounds that move based on how your device moves.

There are many other plugins with various features.
Install Good Lock and try out each of these plugins!

[Target]
- Android O, P OS 8.0 SAMSUNG devices.
(Some devices may not be supported.)

[Language]
- Korean
- English
- Chinese
- Japanese
Updated on
31 Oct 2025

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
App activity and Device or other IDs
This app may collect these data types
Personal info
Data is encrypted in transit
You can request that data be deleted
Committed to follow the Play Families policy

Ratings and reviews

4.3
4.18K reviews
Utibe
3 May 2025
alright. I've downloaded the much talked about "Good lock" and I'm underwhelmed as some options I see on YouTube videos are not available. also the few that I tried to enable, when I try to open them, it doesn't take me to the menus that I thought I would see. is this some region-dependent App in terms of functionality. cos right now, I have no use for something that doesn't work as advertised.
966 people found this review helpful
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Morrígan
21 November 2025
Make a text only battery percentage with a % symbol. It's repugnant that this was removed just so you could put it in a pointless pill shape to look like iTrash, If we wanted iphones we'd buy phones. Between this and the removal of the recent apps "lost" display setting, the UI looks like you're just trying to lure apple users instead of catering to the existing user base. What next, the 5g, signal strength, clock, and app icons also stuffed into a useless pill shape? Terrible.
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B. Maxwell Ovitsky
8 November 2025
I am disappointed with some missing options. Particularly in ClockFace, I can't make the date bigger! The main thing I want out of this app it's to be able to look at my AOD and easily read the date. What's frustrating is I can *almost* do this. One of the fonts (6th from last) makes the text large when using all caps formats. But there are no formats which render the entire date large! If I could just add a format, or better yet, resize the date string, or even add multiple date strings... Ugh.
10 people found this review helpful
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What's new

- Fixed an issue where the app appeared to be still installing even after installation was complete.