LoopBud is a powerful MIDI recorder and looper designed for iPhone users. With the ability to work with unlimited patterns, LoopBud offers flexibility in your music creation process. It features two record modes - Add mode for continuously adding new notes and New mode for starting fresh on each cycle. The app includes an "undo" option to revert mistakes easily.

Quantization is enabled by default in LoopBud, allowing for precise control over note timing. Users can adjust the quantization level and manipulate the clock speed for varied effects during live performances. LoopBud's unique single-bar focus feature enables recording and looping specific bars effortlessly.

Additionally, users can customize the piano roll's note range and export MIDI files for further editing in external applications. It's important to note that LoopBud is a MIDI app, requiring MIDI input and output connections for operation. It also supports Ableton Link for seamless integration in the standalone version.