Apps Like iCluster - DX-Cluster database for iPhone and iPad
Monitor real-time amateur radio activity
Access real-time data for amateur radio frequencies. Filter by frequency, mode, call prefix, country, or ITU zone. View contacts and activity on a map. Receive alerts for new contacts. Share data via email or social media.
by Marcus Roskosch★ 4.211 ratingsUtilities$5.99Data updated 2026-09-08
Tune mandolins using built-in tuners and reference sounds. Adjust pitch manually or use auto-tune features. Access professional-quality tuning tones and synthetic sounds. Function without internet connection.
The app analyzes sound from songs, the microphone, or a Line In device. It displays results in Waveform, Spectrum, and Spectrogram views, showing frequency distribution and audio signals over time.
