SquareAcid is a unique acid synthesizer for iPhone, paying homage to the TB-303 and other hardware synths while offering a distinctive experience. It delivers growls, barks, and fierce resonance, creating singular squeals, squelches, and bleeps. The app functions as a standalone application with Audiobus and Ableton Link support, along with an AUv3 audio unit plug-in for versatile integration.

SquareAcid features Audiobus compatibility, enabling seamless audio streaming between apps. It also supports Ableton Link for effortless synchronization across multiple devices. Additionally, it offers Inter-App Audio (IAA) support and serves as an AUv3 audio unit plug-in for enhanced functionality within compatible hosts.