Free web trainer · radio phraseology
Pick a field, read the situation, then key the mic and make the call the way you would in the aeroplane. Every call is scored on the four pillars: who you are calling, who you are, where you are, and what you intend.
Two fields here, in the browser. The iPhone app adds Matamata, Tauranga and Ardmore, an ATC voice and speech recognition that both run on the device with no network, and a logbook that follows you to the field. See what it does.
Your call
Debrief
Getting these right on the ground is most of the battle. The iPhone app takes it further: five airfields, multi-turn clearances, and a logbook that tracks the calls that keep catching you out.