October - Chiptune Maker

Create your own authentic 8-bit songs and sound effects by adding a timeline of notes, or an arrangement of loops. Share your awesome tunes with friends by exporting to an AAC audio file, 6502 ASM6 assembly code, NES Sound Format file, or an NES ROM file!
4 channels are available:
- Square Wave 1
- Square Wave 2
- Triangle Wave
- Noise
Each channel can play one note (or noise event) at a time. Square wave channels have 4 duty cycle parameters. and the noise channel has 32 adjustable noise presets. These parameters, as well as volume, are all adjustable at the channel or individual note level. Several example songs are included if you're just getting started and want to learn more.
Features:
- Loop-based or linear song arrangements
- Export to AAC audio file
- Export to 6502 ASM6 code
- Export to NES Sound Format (.nsf) file
- Export to NES ROM (.nes) file
- Multiple windows on iPad
- Dark mode and light mode
- Drag and drop support for notes and loops
- Adjustable tempo
- Adjustable zoom
- Cut, Copy and Paste
- Bulk note edit (transpose and volume)