Apple's weird anti-nausea dots cured my car sickness

Feature discovery and UX

• Many commenters were unaware of Apple’s “Vehicle Motion Cues” until this article; several call it “buried” under Accessibility.
• Multiple people argue it should be a first-class, easily toggled feature (e.g., Control Center), ideally with a “What’s New in Settings” surface.
• Some like having it always on, even when not traveling; others find the moving dots visually distracting and quickly turned it off.

Effectiveness: highly variable

• Some report dramatic benefits: previously unable to look at a phone for more than a few seconds, now able to read, work, or at least check messages/maps without nausea.
• Others see partial benefit: quick glances are tolerable, but sustained reading still causes sickness; works better in buses/trains/planes than in cars for some.
• A sizable group says it doesn’t help at all, or even makes them feel worse.
• A few note it can help even when they’re generally motion-sick without using the phone by simply staring at a mostly blank screen with dots.
• Effectiveness seems sensitive to phone orientation, seating position, driving style, and vehicle type; one person notes it strangely doesn’t help in certain EVs.

Android, desktop, and open-source alternatives

• Multiple Android apps provide similar “dot” or “horizon” overlays; experiences range from “works well” to “intrusive ads and ineffective.”
• An open-source F-Droid app gets positive mentions, though its motion algorithm can be jumpy.
• Some Android apps rely on overlay permissions, raising privacy and security concerns; this is cited as a reason the feature should be OS-level.
• The feature also exists on macOS, where users bind it to a shortcut to work on shuttles; people wonder about Linux/Windows equivalents.

Mechanisms and theory

• Several explanations center on resolving mismatch between visual input and the vestibular system; the dots approximate perceived acceleration/jerk.
• One commenter emphasizes rate-of-change of acceleration (“jerk”) as the key cue and claims Apple’s implementation uses this more effectively than simple acceleration.
• VR motion sickness, field-of-view, peripheral vision, and “tunnel vision” tricks are discussed as analogous phenomena.

Other approaches and broader context

• People mention motion-sickness glasses with liquid “horizons,” wrist TENS devices, ginger, meclizine/other meds, sea-bands, careful eating, and even desensitization training in motion simulators.
• Many stress that motion sickness is common, often debilitating, and under-researched; some call for more systematic studies and industry-backed research.