AppLockerIntruder Selfies & Break-in Alerts PRO
A front-camera photo and a record of every failed unlock attempt. Break-in evidence+ even shows the code they tried, and lets you export the photo evidence.
NEW Kids Mode (Pro): only what you allow
AppLocker · App lock for AndroidYour apps.
AppLocker · App lock for AndroidYour apps.
Your PIN.
Nobody else.
When someone else has your phone, the apps you locked stay shut until your PIN or pattern goes in. Free for 3 apps (with ads). With Pro, a wrong guess quietly takes their photo.
No Accessibility service
No account
Locks again on its own
3 apps protectedProtection is active
Wrong PINPROPhoto saved quietly
Your PIN stays putIt never leaves this phone
Try it right here
This is the screen they get.
A locked app opens behind AppLocker's lock screen until the right PIN goes in. Have a go: the demo PIN is 1234.
- 1Get it wrongThe dots shake. With Pro, Intruder Selfies takes a front-camera photo of whoever tried.
- 2Keep guessingAfter several wrong PINs in a row, PIN entry pauses for a short time.
- 3Scramble itPro's scrambled keypad shuffles the digits on every lock screen, so nobody learns your PIN by watching.
Gallery
Enter your PIN to continue
Pro would catch thatPRO
On your phone, Intruder Selfies saves a photo of whoever tried, with the code they entered. (This demo takes no photos.)
On your phone, Intruder Selfies saves a photo of whoever tried, with the code they entered. (This demo takes no photos.)
Unlocked
Only someone with your PIN gets this far. When you leave the app, it locks again by itself.
Everything it does
Small app. Serious lock.
Three apps are free. Pro adds the quiet photo after a wrong guess, and a one-tap Kids Mode before you hand your phone to a child.
PIN or pattern
Lock up to 3 apps free, unlimited with Pro.
Fingerprint unlock PRO
Open your locked apps with a touch.
Kids Mode PRO
One tap locks every app except the ones you allow. Handy before you hand over your phone.
Uninstall Protection
Stops others from uninstalling AppLocker. Included free.
Automatic re-lock
Apps lock again shortly after you leave them, and always when the screen turns off. Pro sets the timing per app.
Lock system screens PRO
Settings, Play Store and the app installer ask for your PIN.
Hide notifications PRO
Previews from locked apps stay hidden until you unlock.
Scrambled keypad PRO
Digits shuffle on every lock screen, so shoulder-surfers learn nothing.
Ask to lock new apps
Install something new and AppLocker offers to lock it right away. Plus a Quick Settings pause PRO that switches back on when the screen turns off.
Screen-time stats PRO
See how often each app was opened today.
Free vs Pro
Start free. Upgrade if you want more.
AppLocker Pro is a monthly subscription. Eligible new subscribers start with a free trial, and you can cancel anytime in Google Play.
| Feature | Free | Pro |
|---|---|---|
| App locks with PIN or pattern | Up to 3 | Unlimited |
| Ads | Shows ads | No ads |
| Automatic re-lock | ✓ | ✓ + per-app timing |
| Uninstall Protection | ✓ | ✓ |
| Ask to lock new apps | ✓ | ✓ |
| Fingerprint unlock | – | ✓ |
| Intruder Selfies & Break-in Alerts | – | ✓ |
| Break-in evidence+ | – | ✓ |
| Kids Mode | – | ✓ |
| Lock system screens | – | ✓ |
| Hide notification content | – | ✓ |
| Scrambled keypad | – | ✓ |
| Quick Settings pause | – | ✓ |
| Screen-time stats | – | ✓ |
Bought Premium earlier? You keep everything it included.
Inside the app
Take a look around.
Privacy by design
No Accessibility tricks.
No account to make.
Just your PIN.
An app lock needs a few permissions to work. Here is exactly what AppLocker uses, and why.
Usage AccessLets AppLocker see which app is opening so it can lock it. Pro's screen-time stats also use it to count today's app opens.
Display over other appsShows the lock screen on top of a locked app.
No Accessibility servicesAppLocker does not use them.
BatteryDuring setup AppLocker asks to run without battery restrictions, because some phones stop background apps and that would switch your locks off.
Only when you turn a feature onCamera (Intruder Selfies), notification access (Hide notification content) and device admin (Uninstall Protection only).
9 languagesEnglish, Arabic, German, Spanish, French, Hindi, Portuguese, Russian and Chinese. Android 7.0 or later.
Getting started
How to lock apps on Android
Four steps from install to your first locked app.
- 1
Install AppLocker
Get it free from Google Play.
- 2
Allow two permissions
Usage Access and Display over other apps, so AppLocker can see which app opens and show its lock screen on top. No Accessibility service.
- 3
Set your PIN or pattern
This is what opens your locked apps. It never leaves your phone.
- 4
Choose the apps to lock
Switch on your chats, photos or banking apps. Up to 3 free, unlimited with Pro.
Questions
Good to know.
How do I lock an app on Android?
Install AppLocker from Google Play, allow Usage Access and Display over other apps, set a PIN or pattern, then switch on the apps you want to lock. From then on, those apps open behind AppLocker's lock screen.
Is AppLocker free?
Yes. The free plan locks up to 3 apps with a PIN or pattern and shows ads. AppLocker Pro is a monthly subscription for unlimited locks, no ads, fingerprint unlock and more. Eligible new subscribers start with a free trial, and you can cancel anytime in Google Play.
Does AppLocker use Accessibility services?
No. AppLocker uses Usage Access to see which app is opening and "Display over other apps" to show the lock screen on top of it.
Do I need an account?
No. There is no account to create, and your PIN never leaves your phone.
What happens when someone enters the wrong PIN?
After several wrong PINs in a row, PIN entry pauses for a short time. With Pro, Intruder Selfies takes a front-camera photo and Break-in Alerts record every failed unlock attempt, including the code they tried.
Can I lock Settings and the Play Store?
Yes, with AppLocker Pro. Lock system screens makes Settings, the Play Store and the app installer ask for your PIN.
Can someone just uninstall AppLocker?
Not if you turn on Uninstall Protection, which is part of the free plan. It uses device admin only for that purpose.
Which Android versions are supported?
Android 7.0 or later. AppLocker is available in 9 languages: English, Arabic, German, Spanish, French, Hindi, Portuguese, Russian and Chinese.
Keep your apps
to yourself.
Free for up to 3 apps. No account. Install from Google Play.