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Phones are designed to grab your attention with bright colors and engaging visuals. App logos and notifications are engineered to lure you in, even when you didn’t intend to use your phone. Red Badges and blinking notifications will always catch your interest. This effect becomes even more pronounced at night, when offline colors fade, or during gray, dreary weather.
But why is this a problem? Your phone’s visual appeal can have unintended consequences:
A simple solution is to enable Black and White Mode using your phone’s pre-installed color filters. While this can be frustrating in the daylight, it’s good idea to schedule it with Shortcuts automations.
Research showed that participants using grayscale mode spent less time on their phones and felt less of a need to use them. The 2023 study by Wickord and Quaiser-Pohl found that changing a smartphone to grayscale is an effective intervention to reduce problematic smartphone use (PSU). [Wickord & Quaiser-Pohl, 2023 – Suffering from problematic smartphone use? Why not use grayscale setting as an intervention! – An experimental study]
An automated greyscale like this can help you to battle disrupted sleep, guide your attention and lower your Screentime - because your phone just won’t be as attractive without color in the night.
With the help of automations in your Shortcuts App, you can make this process of automated greyscale seamless and tailored to your needs. You could make your iPhone black and white on a schedule, greyscaling it on sunset or at night.
To make an iPhone black and white produces also the satisfying side-effect that everything you watch on your phone will feel a bit oldtimey, if you are into that kind of cozy nostalgia.
Follow these steps to automate its activation and deactivation:
Step 1: Open Shortcuts
Step 2: Create a New Automation


Step 3: Configure the Automation



Step 4: Create a Deactivation Automation
Lucas Strehle
May 6, 2026