Lock-Screens & Device Protection

Of course, Android comes with a Lock-Screen app pre-installed. But some third-party lock-screen app simply offers more … trackers?

2025-07-02

CM Locker (Secure & Boost ) (4.7@165) Ǥ 42 8 LastUpdate: 2019-09-01 „CM“ stands for „Cheetah Mobile“ here, so better avoid
Keypad Lock Screen (4.5@157,588) 13 2 LastUpdate: 2017-09-23
Keypad Screen Lock (4.5@1,639) 15 2 LastUpdate: 2020-02-23
Fireflies lockscreen (4.4@361,908) Ǥ 18 2 LastUpdate: 2021-09-24 / Butterfly locksreen (4.3@94,529) Ǥ 18 2 LastUpdate: 2021-09-29
Keypad lock screen (4.4@104,252) 21 2 LastUpdate: 2019-11-27
Lock Screen (4.4@77,871) Ǥ 26 4
Lock Screen S25 Style (4.1@4,693) Ǥ 24 3
GO Locker (4@33) 32 5 LastUpdate: 2018-03-15
MagicLocker Main (4@19) 17 3 LastUpdate: 2013-10-16
Free AppLock & DIY Lock Screen Wallpapers Security (3.9@12,904) Ǥ 30 6 LastUpdate: 2020-01-28 lockscreen & app locker
C Locker Free (3.9@4,149) Ǥ 27 1 LastUpdate: 2019-07-11 / C Locker Pro (4.1@31; ~EUR 3.00) Ǥ 33 1 LastUpdate: 2019-07-09 Github
TapUnlock (3.8@359) Ǥ 18 $Contains no trackers known to us \o/$ LastUpdate: 2014-12-22
Start (3.6@248,167) Ǥ 28 6
Pi Locker (3.6@312) 16 $Contains no trackers known to us \o/$ LastUpdate: 2015-12-26
SnapLock Smart Lock Screen (3@15) 33 1 LastUpdate: 2016-10-10
Picture Password - Lock Screen (2@1,776) Ǥ 12 3
LockscreenEar (0@0) 11 $Contains no trackers known to us \o/$ LastUpdate: 2022-08-18 Github; sing it open like the Fat Lady at Hogwarts
LiveDisplay (0@0) 13 3 LastUpdate: 2022-07-03

2025-07-02

Delayed Lock (3.8@2,878) Ǥ 16 $Contains no trackers known to us \o/$ LastUpdate: 2017-08-15 7d trial; unlock via IAP
AcDisplay (3.3@67,880) Ǥ 15 $Contains no trackers known to us \o/$ LastUpdate: 2016-06-13
Lock Pattern Generator (3.3@23,337) 1 $Contains no trackers known to us \o/$ LastUpdate: 2013-12-04
Smart Lockscreen protector (3.2@19,630) Ǥ 11 $Contains no trackers known to us \o/$ LastUpdate: 2019-08-09
Wrong PIN Shutdown (0@0) 2 $Contains no trackers known to us \o/$ LastUpdate: 2020-03-17 Github; shutdown device on too many wrong PIN tries

2025-07-04

These extensions require either DashClock Widget – or cLock (CyanogenMod).

DashClock DeviceInfo Extension (4.4@190) 3 $Contains no trackers known to us \o/$ LastUpdate: 2016-10-27
Glimpse Notifications (4.3@5,326) 8 $Contains no trackers known to us \o/$ lock screen notifications
DashClock Data Usage Extension (3.6@2,455) Ǥ 5 2 LastUpdate: 2015-02-16
DashClock custom extension (3.5@2,249) Ǥ 1 $Contains no trackers known to us \o/$ LastUpdate: 2015-02-23 create your own
BetterWeather for DashClock (3.2@3,721) Ǥ 8 4 LastUpdate: 2016-05-07

2025-06-28

Sentry (4.3@6) 3 $Contains no trackers known to us \o/$ LastUpdate: 2022-09-23 Github; enforce security policies (e.g. max number of failed password attempts)
Paranoid’s Pal - Privacy Lock (0@0) 8 $Contains no trackers known to us \o/$ Github; shake to lock, and more

Further Readings:

Best Android lock screen apps and lock screen replacement apps (4/2019 - 4/2023)
Best lock screen apps for Android (7/2018)
What to do if I forgot my lock pattern? (11/2017)
So richten Sie eine sichere Bildschirmsperre ein (8/2015 - 12/2020)
Die besten Lockscreens: Diese 6 machen Euer Android noch smarter (12/2014 - 7/2019)

2025-07-09

IzzyOnDroid