Sonic Ⓥ 4.1

Sonic offers a seamless user experience by allowing easy and precise control over the frequency of a sine wave tone. With just a swipe of your finger on any part of the screen, you can effortlessly raise or lower the tone frequency. For fine-tuning, swipe slowly; for larger adjustments, swipe quickly.

• Generate tones ranging from 0 Hz to Ultrasonic 25 kHz.
• Conveniently control Sonic using your Apple Watch.
• Effortlessly use other apps while Sonic runs in the background.
• Broadcast Sonic to Bluetooth and Airplay speakers.

Additional features are also available through in-app purchases:

• Save your favorite tone as a preset.
• Select from five different classic waveform options.