Plug-in adapters turn wired CarPlay or Android Auto into wireless. They connect to the car's USB data port and to your phone over Bluetooth and Wi-Fi. They do not add CarPlay to a car that has none.
CarlinKit · Works with: CarPlay + Android Auto
Turns factory wired CarPlay or wired Android Auto into wireless. Plugs into the car's USB port. CarlinKit's page says it needs a head unit with wired CarPlay/Android Auto, iPhone 6+ on iOS 10+, or Android 11+ for wireless Android Auto.
Maker's product page Affiliate link: TODO (placeholder - currently a plain link to the maker)
AAWireless · Works with: CarPlay + Android Auto
One adapter for both wireless CarPlay and wireless Android Auto, with a button to switch between an iPhone and an Android phone (per the maker's product page). Requires a car with wired CarPlay or Android Auto.
Maker's product page Affiliate link: TODO (placeholder - currently a plain link to the maker)
Ottocast · Works with: CarPlay
iPhone-only adapter that converts wired CarPlay to wireless over 5 GHz Wi-Fi (per Ottocast's product page). Not for Android Auto.
Maker's product page Affiliate link: TODO (placeholder - currently a plain link to the maker)
Ottocast · Works with: CarPlay + Android Auto
Compact Ottocast adapter listed by the maker as a wireless CarPlay and Android Auto adapter for cars with wired support.
Maker's product page Affiliate link: TODO (placeholder - currently a plain link to the maker)
Motorola Sound · Works with: Android Auto
Android-only adapter that makes wired Android Auto wireless. Requires an Android 11+ phone and a car with wired Android Auto. Not for CarPlay.
Maker's product page Affiliate link: TODO (placeholder - currently a plain link to the maker)
DashCheck plans to earn commissions from some adapter links. Today none of the links above are affiliate links; they go straight to the maker's own product page. We list these adapters because they are widely sold and discussed. We have not tested them ourselves, and we don't publish ratings or reviews we didn't do.