If you want a free oscilloscope and more visual control:
If you are looking for zero-cost options that rival Waves, these three are widely recommended: waves tune realtime free better
waves tune realtime free better, Waves Tune Real-Time, free pitch correction, low latency vocal tuning, Graillon 2, MAutoPitch, real-time pitch correction free. If you want a free oscilloscope and more
Would you like a 1-paragraph social post, a longer feature description, or a short how-to guide for this? Waves Tune Real-Time
Deciding if Waves is better than free or paid competitors depends on your workflow: Cost vs. Features : Waves is significantly more affordable than Antares Auto-Tune