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Official Description

Or how about just when the screen was turned on?

Have you tried the free version but would like more features or just want to support the developer?

Then THIS is the app for you! This is a plus (+) or premium version of my app Unlock Log.

This app can log display on, unlock, and lock/screen off events.

Features auto-clearing, color coding, and event logging options.

Just like the free one, you can expect an ad-free experience.