HOWL

HOWL is a simple formant synthesizer for iOS, written in Swift and built using the AudioKit framework. It makes synthesized vowel noises.

Screenshot

Links

• Project page
• App store

Building

Just open HOWL.xcworkspace in Xcode and hit build (as of the time of writing the latest version is Xcode 10.3).

Todo

Fixes

• Fix iPhone X splash screen safe area insets

Wishlist

• MIDI input support
• Implement male/female adult/child controls
• Switch microphone off unless needed

Just a quick note: HOWL itself is a free app, and I provide the source code free of charge as a learning resource. I ask that you kindly don't put clones of HOWL in the App Store.