Tone Generator EM-1 is a free frequency sound generator app designed for iPhone users. It enables you to produce sounds across various frequencies ranging from 1Hz to 22kHz. Whether you need to test your hearing, calibrate audio equipment, tune instruments, conduct audio experiments, or more, this app offers a versatile solution.

With a clean and intuitive interface, Tone Generator EM-1 provides users with an advanced yet user-friendly frequency generation tool. Adjust the frequency slider seamlessly from the lowest to the highest ranges, select specific notes from the list, and fine-tune audio frequencies and device volume effortlessly.

Musicians seeking a reliable tool to tune instruments and test audio gear will find Tone Generator EM-1 indispensable. Explore different frequencies, test your hearing, and utilize this app for various audio-related purposes.