How to Put Your iPhone in Grayscale (and Why It Cuts Screen Time)

App icons, notification badges, thumbnails and “like” buttons are coloured the way they are on purpose. Red pulls your eye, bright imagery makes the feed feel rewarding, and the whole screen is tuned to look worth touching. Switch it to grayscale and a lot of that pull quietly disappears — the phone still works exactly the same, it just stops looking like a slot machine.

How to turn on grayscale

Settings → Accessibility → Display & Text Size → Color Filters → toggle Color Filters on → select Grayscale.

That’s it — the whole system is now black and white, including photos and videos (you can still take colour photos; they just display grey until you turn the filter off).

Make it a one-press toggle

Full grayscale all day is a big jump. Most people do better switching it on in the evening or during work. Set up the shortcut so it’s one press:

Settings → Accessibility → Accessibility Shortcut → select Color Filters.

Now triple-click the side button (or the Home button on older iPhones) to flip grayscale on and off instantly. You can also add a Control Centre toggle, or automate it with a Focus or a Shortcuts automation so it goes grey at, say, 9pm every night.

Why it works

Colour is one of the levers apps use to hold attention. In grayscale:

• App icons stop competing. Your Home Screen becomes a list of tools instead of a wall of bright logos, so you open apps on purpose rather than because one caught your eye.
• Notification badges lose their urgency. A grey “7” is much easier to ignore than a red one.
• Feeds feel flatter. Photos, thumbnails and videos are less immediately compelling, so scrolling sessions tend to end sooner.
• The phone reads as “boring.” That’s the point — a slightly less pleasant screen means you reach for it less often out of habit.

It’s not magic and it won’t fix a strong habit on its own, but as one layer among a few, it reliably shaves time off.

Combine it with a pause

Grayscale reduces how tempting the phone looks. It doesn’t do anything about the automatic reflex of opening an app before you’ve decided to. Pairing it with a pause on open covers both.

Kaizen puts a short mindful pause in front of your distracting apps — a few breaths and a simple “is this deliberate?” prompt — every time you open one. Grey screen plus that half-second gap is a strong combination: less pull to pick the phone up, and a checkpoint for when you do anyway. Kaizen runs on Apple’s Screen Time API (no VPN), covers websites too, and shows a weekly trend so you can see whether the changes are adding up.

What to expect

The first day in grayscale feels stark, then you stop noticing it within a few hours. What you do notice is that you pick the phone up less and put it down sooner. If full-time grey is too much, the evening-only toggle keeps most of the benefit where it matters — the hours before bed — without affecting daytime photos and maps.

Quick setup

1. Settings → Accessibility → Display & Text Size → Color Filters → Grayscale.
2. Accessibility Shortcut → Color Filters (triple-click to toggle).
3. Optional: a Shortcuts automation to auto-enable it at night.
4. Add a pause on open for the reflex, and check your screen-time trend weekly.

The phone was never really about the colour. Take it away and you find out how much of the pull was.

Related reading: how to reduce your screen time and how to stop doomscrolling.