Let me know which of those would be useful to you.

: Key updates, official technical support, and critical calibration tools required for the low-latency performance of Dubler 2 are unavailable to users of unofficial versions.

: Dubler 2 requires precise, low-latency audio processing; cracked versions often fail to maintain this, resulting in poor pitch-to-MIDI tracking. Legitimate Ways to Use Vochlea Dubler 2 Go to product viewer dialog for this item.

: Includes auto-key detection and the ability to lock your voice to specific musical scales for melodic accuracy. MIDI CC Control

Many DAWs have built-in "Audio to MIDI" converters (like Ableton's "Convert Melody to New MIDI Track") that perform basic voice-to-MIDI functions for free. Vochlea Music