Complete immersion in the world of frequency sound synthesis! Adjust the parameters and get a new sound. What does the app offer? - New presets from TOP sound producers every month; - Multi-genre synths; - Settings for groups of effects; - Access to the recording of your creative sessions; - Ability to share your recordings with friends; privacy policy: https://sites.google.com/view/castles-trip-privacy-policy terms of use: https://sites.google.com/view/fm-synthesizer