CallSign Check vs Offline Repeater Pro

CallSign Check is the fast way to look up any amateur radio callsign. Type a call, get the full picture — no account, no clutter, no waiting. US LOOKUPS (FCC) • Full license dossier from the FCC ULS database: name, license class, address, grant and expiration dates, FRN, and previous callsign • Live prefix suggestions as you type — start with "W1A" and watch the matches roll in • Station location on a map, with grid square • Distance and beam heading from your location to the station — point your antenna with confidence (your position never leaves your device) • Phonetic readout of every callsign, ready for the air DX LOOKUPS (WORLDWIDE) • Flip to VFO B and look up operators worldwide: name, country, DXCC entity, CQ and ITU zones, grid square, and QSL manager VANITY CALLSIGN HUNTING • Check whether a callsign is currently assigned before you file a vanity application • Search the FCC database by name, city, state, ZIP, or license class with Advanced Search BAND CONDITIONS AT A GLANCE • Live HF propagation strip on the home screen: solar flux, A and K indices, and band-by-band day/night conditions BUILT FOR OPERATORS • Favorites and lookup history, stored on your device • Share any station dossier with one tap • Miles or kilometers, your choice • A focused, dark, radio-room interface that does one thing well CallSign Check is not a logger or a contest tool — it's the lookup app you reach for when a call comes back to you and you want to know who's on the other end. 73! US license data comes from the FCC Universal Licensing System via callook.info. DX data provided via callsigncheck.com. Band conditions courtesy of N0NBH (hamqsl.com).

Offline Repeater Pro finds the amateur radio and GMRS repeaters near you and programs them into your radio over Bluetooth (programming requires an in-app purchase). No internet connection is needed once the app is installed. FREE: finding and browsing repeaters, the offline map, and custom repeaters. REQUIRES IN-APP PURCHASE: everything under "Program your radio" below. Choose Yearly Access ($9.99/year, auto-renewing subscription) or Lifetime Access ($29.99, one-time, no recurring charge). FIND REPEATERS • Search by GPS, by a grid square you type in, or by latitude and longitude • Look up any repeater in the database by callsign, city, county, state, or frequency • Filter by Amateur, GMRS, or both • See the distance, the bearing, and a live compass to each repeater • Browse an offline vector map, including a nationwide view, with no data connection • Over 14,000 repeaters in the bundled offline database PROGRAM YOUR RADIO (REQUIRES IN-APP PURCHASE) • One tap to program a repeater into your radio over Bluetooth • Bulk program across any of the radio's channel groups • Program up to the closest 180 repeaters in one pass • Choose the exact channel slot each repeater goes into • Rename the radio's channel groups from the app • Load a built-in simplex preset: FRS and GMRS calling channels, MURS, the 2m and 70cm national calling frequencies, and marine channel 16 • Hand enter or edit any channel: frequency, offset, tone, bandwidth, power • Save a dated backup of the whole radio before you make changes, and restore or delete any backup later YOUR DATA STAYS ON YOUR DEVICE • Add and edit your own custom repeaters, stored locally • No account, no ads, no analytics, no tracking • Nothing you enter and nothing the app reads from your phone is ever sent anywhere, except through Apple's own purchase system when you buy programming access Built for hams and GMRS operators who want a fast, reliable way to load repeaters into a compatible radio without wrestling with spreadsheets or CHIRP config files. Especially handy when you are traveling or somewhere without a signal. COMPATIBLE RADIOS BTECH UV-Pro, BTECH UV-50PRO, Vero VR-N76, Vero VR-N7600. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/