What’s the biggest decision point when comparing Petzl Simple vs Acles DX?

If I do long, single-rope rappels, what should I prioritize?

How important is a self-braking function in a descender choice?

Can a descender help me move back up the rope if I need to?

What should I consider if I like to stop often to manage rope or check my line?

Is the Petzl Stop Descender a good reference point even if I’m deciding between other models?

What’s the most practical way to decide between Petzl Simple and Acles DX without overthinking it?