Ham Radio Logbook vs HamsterDB

LogMaster is a ham radio logbook built for the way you operate: fast, always in UTC, and ready to export when you are done. LOG A CONTACT IN SECONDS • Type the callsign and tap Log Contact. The form stays open for the next call. • Live UTC clock, with the band filled in from the frequency • Reports start at 59, 599 or −10 dB depending on the mode • A dupe warning when you have already worked that station today on the same band and mode • Name, QTH and grid square fill in for US and Canadian callsigns PARKS ON THE AIR • Start an activation and watch the count to the 10 contacts you need • Park-to-park references for the other station • Export an ADIF file named and formatted for the POTA upload page EXPORT AND IMPORT • ADIF for QRZ, LoTW (signed with TQSL), Club Log and POTA • CSV for Numbers, Excel or Google Sheets • Import ADIF from other loggers. Contacts already in your logbook are skipped. STATS • Contacts, callsigns, bands and modes worked • A twelve-week activity map, your best day and your longest streak LOGMASTER PRO: ONE PURCHASE, NO SUBSCRIPTION • iCloud Sync across your iPhone, iPad and Mac • One-tap upload to your QRZ Logbook with your own API key (needs a QRZ subscription with Logbook API access) • Station profiles for home, portable and club calls No account. No ads. Logging works with no signal. Terms: https://logmaster-hamradio.vercel.app/terms Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

HamsterDB is the ultimate private database for amateur radio operators on iPhone. Keep track of every Ham Radio station you’ve worked and every contact you’ve made — all stored securely on your device with zero data sharing. Add a new station and HamsterDB instantly queries HamCall.net to auto-fill the operator’s name, location, and license class. Need the email address that HamCall doesn’t provide? Simply look it up on QRZ.com, copy the details, and paste into the QRZ field — HamsterDB intelligently maps everything into the right places. Once your stations are in the database you can view them instantly sorted by Call Sign, Name, or Date Created, in ascending or descending order. Export the entire database to a clean JSON file for backup or sharing with other hams. Import works just as easily, so clubs and friends can exchange logs in seconds. All data lives locally in SwiftData on your iPhone. There are no accounts, no cloud sync, no analytics, and no third-party data collection — your logbook stays completely private. Key Features • Automatic HamCall.net callsign lookup • QRZ.com paste-in support (captures email & extra fields) • Sort & filter by Call Sign, Name, or creation date • Ascending / descending order control • Full JSON export & import for easy sharing • Built-in comprehensive help system (CTHelp) • Beautiful, intuitive iPhone-native interface • Works offline after initial lookups Whether you chase DX, contest, ragchew, or just like keeping an accurate station log, HamsterDB turns your iPhone into a powerful, portable, private Ham Radio database. Privacy is built in from the ground up — your contacts and station data never leave your device. Download HamsterDB today and take control of your amateur radio logbook.