The MultiTone Generator, developed by Thomas Gruber, is a highly flexible and powerful frequency generator available for iPhone. This utility and tools application allows users to create and play up to 16 tone combinations individually or combined.

With MultiTone Generator, users can play various test tones including sine, rectangular, triangular, and sawtooth. Additionally, it offers the option to play frequency sweep test tones in both directions, from the minimum to maximum frequency and vice versa.

One of the standout features of this app is the ability to use the sweep repeat and wobble function, adding versatility to the generated tones. Users can also play back white and pink noise for different audio testing purposes.

Furthermore, MultiTone Generator allows users to fully customize the frequency min-max ranges and sweep time range according to their specific needs.

With its intuitive and simple interface, the MultiTone Generator provides a seamless user experience, making it a valuable tool for anyone in need of a reliable frequency generator.