Good Lock : Custom Lock Screen Android

Good Lock is a free lock screen app you can use on any Android phone in place of the default lock screen.
Combine aesthetic wallpapers with clock, calendar, schedule and music widgets to build your own lock screen theme, and use your schedule, memos and music right away, without unlocking.

Unlock Good Lock and go straight to the fingerprint, PIN or pattern set on your phone - no stop at the default lock screen.
Your phone's own lock stays in place, so it's safe to use.

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


※ Not affiliated with Samsung Electronics. This app only shares a name with Samsung's Good Lock (released in March 2016).

※ Works on Galaxy and non-Galaxy phones alike, regardless of manufacturer.



✨ Create Your Own Style: Aesthetic Phone Customization

- Download over 1,200 wallpapers for free and combine them with practical widgets to build a one-of-a-kind lock screen theme.

- New high-resolution wallpapers added every week.

- Use your own photos and videos as wallpaper, and style them with a variety of filters.



⚡ 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.



🔒 Lock & Security

- Good Lock has no lock of its own; it uses your phone's lock.

- Memos, calendar and lyrics work without unlocking; apps, bookmarks and contacts open only after you unlock your phone.

- No lock set? Unlocking Good Lock takes you straight to your home screen.



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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.

- Often confused with a same-name service from March 2016, Good Lock started a year earlier and has always run independently.

- Progress slowed for a while due to limited resources; lately I have used the latest AI tools to improve stability and 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.

⚡ One less step to unlock.
Go straight from Good Lock to fingerprint
or pattern — no default lock screen.

✨ Your own video as a lock screen background.
🎨 Redesigned photo & video filters.
🔧 Bug fixes and stability improvements.