Monotone is a synth based on the open source mobile synth by Allen Porter. Here are the rest of the app’s details:
Monotone is a monophonic synthesizer, designed for studio and live performance.
Monotone is intuitively designed to create tremendous sounds while allowing full control over the waveforms.
- Dual Oscillators: Square, Triangle, Sawtooth, Reverse Sawtooth
- Oscillator Pitch Glide
- Volume Envelope (ADSR)
- Frequency Fine Tuning
- Filters: Cutoff, Resonance
The app is priced at $0.99.