RF IMD Test vs Tunearby

This simple and 100% free RF-coordination app finds you compatible wireless frequencies fast that won't interfere with each other. It also offers clear, informative feedback for audio techs looking to learn more about how RF intermodulation works under the hood.

Tunearby finds every AM and FM radio station and over-the-air TV channel broadcasting near you, and shows you exactly where to tune or which way to aim your antenna. Point it at your location and get a clean, distance-sorted list of local frequencies — no sign-up, no ads, and it works offline once the catalog has downloaded. Whether you're road-tripping through a new city, chasing a ball game, cutting the cord, or just curious what's on the dial, Tunearby turns your phone into a local radio and TV guide. WHAT YOU GET • Nearby stations, sorted by distance — AM and FM, with call sign, frequency, and format at a glance • Live "On Air" tab — see what's playing right now, correct to each station's own time zone • Call or text in — each station's phone and text numbers, plus the call-in and text lines of syndicated shows while they're on the air • Map view — browse stations across the area and tap any marker for details • Station details — transmitter sites on a map, day/night power and directional patterns, and the exact sunrise/sunset times AM stations switch power • TV tab — every over-the-air TV channel within 125 miles: how far the tower is, which way to point your antenna, whether the FCC's predicted coverage reaches you, and the VHF/UHF band so you pick the right antenna. Type the channel your TV shows (like 31.1) to find its station, subchannels, and networks • Filters — narrow by band (AM/FM/TV) and by format: News/Talk, Sports, Public Radio, Classic Rock, Country, and 25+ more • Search anywhere — set a custom city to see what's on the air somewhere else before you go • Live tracking — while you drive, stations move in and out of range automatically • Light, dark, and system themes BUILT FOR PRIVACY • No account required • No ads, no trackers, no analytics • Your exact location never leaves your device — it's used only to find nearby stations • The station catalog downloads on first launch and keeps itself up to date; stations, the TV lineup and On Air then work with no signal (maps and city search need a connection) Tune in to what's around you.