NFC CellMonitor vs Digi APRS |APRS Trackers Pro

NFC CellMonitor is a professional yet easy-to-use app for reading and analyzing battery data from compatible NFC tags. With a quick scan, you can instantly view critical battery information in a clean and structured layout, helping you diagnose issues faster and keep maintenance records organized. Key data you can read: Battery percentage Total voltage and current Temperature Cycle count Usage months Series and parallel configuration Alarm status and alarm sequence Cell-level voltages Why users choose NFC CellMonitor: Fast NFC scanning workflow with clear results Reliable scan history for tracking battery behavior over time Grouped records by tag ID for easier management Quick comparison across historical scans Bilingual interface (English / Chinese) for international teams Advanced tools (Debug Mode): Raw NFC page decoding view Write-back support for compatible tags Use cases: Battery inspection and maintenance Workshop diagnostics Field service troubleshooting Prototype and lab validation Long-term battery performance tracking NFC CellMonitor is designed for technicians, engineers, makers, and advanced users who need a practical mobile tool for NFC-based battery data workflows. Important notes: Requires an NFC-capable iPhone. Data visibility depends on tag format and compatibility. Advanced actions are intended for experienced users in Debug Mode.

Digi APRS(APRS Tracker Pro) is a complete APRS-IS client for licensed amateur radio operators. Send position beacons, follow live packet activity, exchange APRS messages and attach real-time weather — from your iPhone, iPad, Apple Watch or Mac, all with a single purchase. POSITION BEACONING • One-tap position send or continuous tracking at your chosen interval (30 s – 10 min) • Timestamped APRS packets with course, speed and altitude • 36 selectable APRS symbols (car, runner, bicycle, aircraft, boat, WX station and more) • Custom comment text and automatic Maidenhead grid square display • Static location mode for fixed stations • Background tracking on iOS with visible location indicator LIVE PACKET STREAM • Real-time APRS-IS feed filtered to a 250 km radius around you • Parsed view with station symbol, callsign, distance and comment • Frequency detection in comments, raw packet view for detail lovers APRS MESSAGING • Send and receive APRS text messages with automatic ACK handling • Local notifications for incoming messages addressed to your callsign • Full UTF-8 support including accented and Turkish characters WEATHER INTEGRATION • Attach live temperature, humidity, pressure and wind to your status packets • Powered by Open-Meteo — no account or API key required APPLE WATCH APP • Send beacons and start tracking right from your wrist • Glanceable packet stream and full settings on the watch • Compact on-watch keyboard plus dictation for callsign and comment entry • Transmissions are relayed through your paired iPhone MAP VIEW • Follow your own callsign or browse nearby activity on the aprs.fi map • Auto-refresh synced to your beacon interval while tracking BUILT FOR OPERATORS • APRS-IS passcode computed automatically from your callsign • Choice of worldwide APRS-IS servers (rotate, euro, noam, soam, asia, aunz and more) • Localized in English, Turkish, German, Spanish and French • Clean dark interface designed for quick field use • No ads, no analytics, no accounts, no tracking — your data goes only to the APRS network you choose ONE PURCHASE, EVERY DEVICE Buy once and use natively on iPhone, iPad, Apple Watch and Mac. IMPORTANT A valid amateur radio license and callsign are required to transmit. APRS-IS is a public network: positions, weather and messages you send are publicly visible and archived by third-party services. Nothing is ever transmitted without your explicit action. 73!