Set your time and start to count down.
Use your time more effective with Black White Timer.
When started timer count down white screen turn to black simultaneously with time.
If the screen will be full black it means time is up.
Start timer before study for manage your time more efficiency.
Hold screen 2 second for pause or exit.
Latest Version
1.4Uploaded by
Mohamed Salem Salem
Requires Android
Android 6.0+
Category
Free Tools AppContent Rating
Everyone
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Flag as inappropriateLast updated on Oct 16, 2025
-Security improvements