: Some Android phones have an FM chip but require wired headphones to act as an antenna. You can sometimes bypass this by using apps that enable the "Speaker" mode while the headphones are plugged in.
: For true offline wireless tuning on a phone that lacks a chip, you can use a Mini SDR (Software Defined Radio) dongle paired with apps like SDR Touch . Summary of Key Features Traditional FM App Streaming "Wireless" App Data Usage None (uses FM chip) Uses Wi-Fi or Mobile Data Antenna Wired headphones required No physical antenna needed Availability Depends on phone hardware Works on all smartphones Station Range Local stations only Global stations available Wireless Fm Radio App
Several apps, such as by San Valmout, claim to offer wireless FM radio capabilities. However, modern "wireless" FM radio is often a mix of hardware-dependent tuning and internet streaming, as most smartphones lack the internal antenna traditionally provided by wired headphones. Top Wireless & Offline-Capable Radio Apps : Some Android phones have an FM chip
Turn Any Android Smartphone Into an FM Radio - Mini SDR Review Summary of Key Features Traditional FM App Streaming
: Most modern "Wireless FM" apps actually stream radio over Wi-Fi or data, allowing you to listen without any wired accessories.
: A free-to-use option on the iOS App Store for basic FM features. How "Wireless" FM Radio Works