Instantly look up amateur radio callsigns offline using FCC and ISED data. Find operator details, calculate distances, and bookmark favorites without an internet connection. Premium features include an interactive map and compass.
1.2.1
August 27, 2026
Bug fixes: - Fixed an issue where searching for some names with apostrophes or hyphens (e.g. O'Brien, Smith-Jones) could fail to return results. - Minor accuracy improvements to location and grid square calculations. -new icon Thanks for using Offline ham Lookup!
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No, Offline ham Lookup is designed to work fully offline. It does not require an internet connection for its core callsign lookup and operator detail features, making it ideal for field use.
The free features include callsign and name searches, distance calculation to any operator, and the ability to save favorites or bookmarks. These functions are available without any cost.
The premium unlock, available for a $9.99 one-time purchase, adds an interactive offline map, a bearing and live compass to point towards operators, and Maidenhead grid square/lat-lon lookup tools.
Offline ham Lookup utilizes data from the FCC (Federal Communications Commission) and ISED (Innovation, Science and Economic Development Canada) for its amateur radio callsign lookups.
Yes, the app is built for hams who need reliable reference information without depending on cell signal or Wi-Fi, making it ideal for emergency communications scenarios like ARES/RACES/SKYWARN.
Offline ham Lookup is available for iPhone and iPod devices. It is designed to run on these iOS platforms.
The latest version, 1.2.0, was released on August 19, 2026, indicating recent development and updates. Users can expect ongoing support and potential feature additions.
Offline ham Lookup has an age rating of 4+. This indicates it is suitable for users of all ages, with no content restrictions.