Twilight: Blue light filter

The Twilight APK is a screen-filtering app for people who use a phone or tablet in the evening. It adjusts the display to reduce blue light after sunset, with the aim of making night-time screen use more comfortable and supporting a regular sleep-wake cycle.

Twilight bases its filter on local sunset and sunrise times, gradually changing the screen tint and intensity over the course of the day. In the evening, it applies a soft red tint to the display. The app can also dim the screen below the level available through the device’s usual brightness controls, which can be useful for reading in bed.

The filter can be paused in selected apps. Twilight can also coordinate its settings with a Wear OS screen, and filtering can be controlled with a Wear OS Tile. The app offers an option to connect with Philips Hue smart lights to reduce blue light in household lighting.

For filtering notifications and the lock screen, Twilight may request use of its Accessibility Service. The developer says this service is used to apply screen filtering and does not collect personal information.

Twilight XAPK file

The download is one XAPK file containing the app’s base APK and split APKs. Install it with an XAPK installer, since Android’s own installer cannot open XAPK files. The APK files are the developer’s originals with verified signatures, and each is also available separately.

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