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NullPerator

203 Systems

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Get it free on the App StoreOpens Apple's App Store

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About this app

NullPerator brings the focused tracker workflow to iPhone and iPad. Compose patterns, arrange songs, record samples, and play them back through a compact interface designed around the NullPerator hardware. Use the on-screen controls or connect a compatible game controller. Route MIDI, keep projects in the Files app, and continue working without an account. Features: • Tracker composition and playback • Touch controls optimized for portrait and landscape layouts • Compatible game controller input • MIDI routing, including supported Bluetooth MIDI devices • Sample recording through the current iOS audio input • Local project and sample storage through the Files app • iPhone and iPad support Your projects and settings stay on your device. NullPerator does not include advertising, analytics, or account tracking.

What's new

Version 0.2 · Sep 17, 2026

What's new in NullPerator 0.2 - Added GB-Wave, GB-Pulse and GB-Noise instruments for Game Boy-style sounds and an LSDJ-inspired sound-design experience. - Made all 64 instrument slots flexible, with dynamically allocated synth resources. - Added a two-dimensional instrument selector: hold Enter on the instrument Type row, choose a sound engine, and release Enter to confirm. - Balanced synth output levels against sample playback. - Kept autosaves separate from manual saves. Projects now open the manual save, use npsong.dat for new saves, and retain compatibility with lgptsav.dat. - Corrected the iOS controller Play and Shift mapping. - Fixed sample importing after a type change, saving unedited recordings, delayed-note volume, and small display issues. iOS 17.0 or later is still required.

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