FreqLab

Discover the world of radio frequencies right on your iPad*! FreqLab is the first app that lets you connect rtl-sdr to your iPad (with an M-series chip) and explore the radio spectrum — even if you know nothing about radio.

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Aircraft (ADS-B)

Watch planes fly over you in real time—on the map, with detailed information about each flight.

Ships (AIS)

Track vessels around you. FreqLab shows ships on the map and helps you learn more about them.

SDR for Everyone

Explore radio frequencies, demodulate signals (AM, WFM, NFM, CW), and discover the invisible world of the airwaves—simply and intuitively.

How does it work?

Connect rtl-sdr to your iPad using an adapter. iPad with an M-series chip is required.
Open FreqLab and choose your mode: aircraft, ships, or radio frequencies.
Watch the spectrum in real time and discover something new!