head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Execution · Pure Mechanics
Cute two-button rhythm game where everything reduces to hitting notes on beat.

Execution · Pure Mechanics
A one-button rhythm game where you defibrillate patients by pressing exactly on the seventh beat.
Muse Dash leans Execution (Pure Mechanics); Rhythm Doctor leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Muse Dash
Two-lane rhythm hits at high BPM are pure hands
Rhythm Doctor
One-button timing to the seventh beat demands frame-tight precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Muse Dash
Charts never adapt
Rhythm Doctor
No opponent; patterns are fully scripted
Rhythm Doctor leans a little harder on variance, though the gap is small.
Muse Dash
Fully deterministic note charts
Rhythm Doctor
Levels are fixed; only visual gimmicks obscure timing
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Muse Dash
Character buffs and chart memorization help margins
Rhythm Doctor
Learning each level's rhythm tricks is light routing
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.