About
Transform your iPhone or iPad into a digital mode station for amateur radio. Connect your device to your transceiver to send and receive messages using various digital modes. Features include multi-channel decoding, an iMessage-style interface, and automatic grid square detection.
What's New in Amateur Digital
1.0
February 10, 2026
Developer apps
FAQ
What digital modes does Amateur Digital support?
Amateur Digital supports RTTY (45.45, 50, 75 Baud), PSK31 (31.25 Baud), BPSK63 (62.5 Baud), QPSK31 (31.25 Baud), and QPSK63 (62.5 Baud). These modes allow for keyboard-to-keyboard communication over amateur radio frequencies.
How does Amateur Digital handle multiple signals?
The app features multi-channel decoding, allowing it to monitor and decode multiple signals simultaneously across the audio passband. It automatically detects and displays transmissions on different frequencies in their own dedicated channels.
Does Amateur Digital have ads?
No, Amateur Digital is free and open source with no advertisements. It is built by a ham for hams and does not include any tracking or monetization elements.
What are the requirements to use Amateur Digital?
You need an iPhone or iPad running iOS 17 or later, a USB audio interface (Lightning or USB-C), an HF transceiver with SSB (USB) capability, and a valid amateur radio license.
How does Amateur Digital help with location?
Amateur Digital uses GPS to automatically determine your Maidenhead grid locator, which is essential for portable and field operations. Your callsign is also stored for easy QSO logging.
Can I sync my settings across devices with Amateur Digital?
Yes, Amateur Digital supports iCloud Sync. This feature synchronizes your callsign, grid locator, and mode settings across all your Apple devices, ensuring a consistent experience.
What is the user interface like in Amateur Digital?
The app features a familiar iMessage-style interface, making digital modes more approachable. Sent messages appear as blue bubbles, transmissions in progress are orange, and decoded signals are displayed as incoming messages.
How often is Amateur Digital updated?
Amateur Digital was last updated on February 10, 2026, with version 1.0. As it is open source, updates may be community-driven or released by the developer periodically.
