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Motion sickness dots in your browser, for any phone

Motion cue dots are the columns of dots at the edges of the screen that Apple added to iPhone in iOS 18 and Google added to Android 17. They move with the car, so your eyes see the motion your inner ear feels. This page draws the same dots from your phone's own motion sensor, so a Samsung on One UI 8, an older iPhone, or any phone still waiting for the feature gets them today, free and with nothing to install.

Motion cue dots

Dots that move with the car

Tap Start, allow motion access if your phone asks, then read in the middle of the screen with the dots at the edges.

Adjust the dots
Stage

This browser cannot keep the screen awake on its own. Raise the auto-lock time in your phone settings for the ride.

Dots moving the wrong way? Tap Reverse on the stage. The dots should run down the screen as the car speeds up and slide left as it turns right.

Rather listen than read? Have the article read to you with your eyes on the window.

What the dots do, and how this version matches the iPhone

On an iPhone with Vehicle Motion Cues on, the dots sit still at a steady speed. When the car speeds up they stream down the screen, when it brakes they stream up, and when it turns they slide against the turn, the way the scenery slides past the window. In the Automatic setting they appear when the phone senses a moving vehicle and fade when it stops.

  • Same source. The browser reads the same accelerometer the built-in feature reads. The page works out which way is forward from how you hold the phone, upright or flat in your lap, and splits every push into speeding up, braking and turning.
  • Same directions. Speeding up streams the dots down, braking streams them up, a right turn slides them left. A Reverse control exists for the few phones that report their sensor backwards.
  • Same Automatic mode. The dots appear when the car moves and fade a few seconds after it stops. Always on keeps them visible.
  • One difference. The native dots draw over every app on the phone. A web page can only draw inside itself, so the reading pane in the middle is where you read, and Full screen plus Add to Home Screen gets the browser bars out of the way.

Which phones need the browser version

iPhones on iOS 18 or later have Vehicle Motion Cues built in, under Accessibility, Motion. Pixels and the first Galaxy phones on Android 17 have Google's Motion Assist, delivered through Play services, with the rollout still staged by model and carrier. Everything else has nothing to turn on, which is most Galaxy phones on One UI 8, the A series, older iPhones and iPads, and every phone from a brand that has not shipped its own version. Those are the phones this page is for. The motion sickness dots guide keeps the per-phone status and the steps for the native settings.

What to expect

Dots are a cue for reading in a moving car, not a treatment. Reports of how much they help are mixed: some people find they can finally read in the back seat, others feel no difference, and nobody is helped once the nausea has started, because the dots only work while you look at the screen. The evidence section of the dots guide has the detail. For the moment it has already started, the 90-second steady sequence is the page to open.

Dots or an app: which one do you need?

Motion cue dots

Help you read or scroll in a moving car. Built into some phones, and they work only while you look at the screen.

Dizzout

Sound therapy through any headphones, for when the nausea has already started. Eyes open or closed, on any phone, with relief in about 90 seconds.

See how the motion sickness apps compare →

Frequently asked questions

Which phones need this?

Any phone without the built-in dots. On iPhone that is iOS 17 and earlier. On Android it is everything not yet on Android 17 with Google's Motion Assist, which includes most Galaxy phones still on One UI 8 and the whole A series. If your phone already has the native dots, use those: they draw over every app, while this page draws them only inside itself. Which phones have the dots, and how to turn them on.

Why does my phone ask for motion access?

The dots are driven by the phone's accelerometer, and iOS asks before a website can read it. The reading never leaves your phone: there is no upload, no account and no recording. If you tapped Don't Allow, Safari remembers that for the session: Settings, Safari, Motion & Orientation Access, then reload.

Why do the dots sometimes not move?

Automatic mode hides them while the car is still and brings them back when it moves, which is how the iPhone version behaves. Switch to Always on if you want them visible at a red light. If they move the wrong way, tap Reverse: a few phones report the sensor backwards.

Do the dots help with car sickness?

Reports are mixed. Some people say the dots let them read in a car for the first time, others feel no difference. They are a visual cue that matches what your inner ear feels, so they can only help while you are looking at the screen, and they do nothing for nausea that has already started. What the evidence and the reports say.

Can I use them with another app, like a book or a chat?

Not on top of another app: a web page cannot draw over the rest of your phone. You can paste what you want to read into the pane in the middle, use split screen on Android with this page in one half, or add the page to your home screen so it opens full screen with no browser bars.

Will the screen stay on?

On browsers that support it, yes: the tool asks the phone to keep the screen awake while the dots run, and releases it when you stop. Where that is not supported, raise your phone's auto-lock time for the ride.

Related

The motion cue dots are informational and not medical advice. Nothing the page reads from your phone's sensor leaves your device. Do not use it as the driver.