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

Execution · Pure Mechanics
Tests rhythm-input accuracy in competitive social dance-offs.

Execution · Practiced Mastery
A playable pop album blending rhythm, racing, and shooting into a forgiving stylish ride.
Idate: Online Interactive Dating leans Execution (Pure Mechanics); Sayonara Wild Hearts leans Execution (Practiced Mastery).
Idate: Online Interactive Dating leans a little harder on execution, though the gap is small.
Idate: Online Interactive Dating
Hitting dance-step inputs on the beat is the whole competition
Sayonara Wild Hearts
Moderate dodging and timing, deliberately forgiving
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Idate: Online Interactive Dating
Rhythm sequences are fixed; rivals can't be out-predicted
Sayonara Wild Hearts
Scripted pop-album set pieces
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Idate: Online Interactive Dating
Song patterns are known once played
Sayonara Wild Hearts
Fixed levels with memorizable layouts
Sayonara Wild Hearts leans a little harder on optimization, though the gap is small.
Idate: Online Interactive Dating
Little to solve beyond memorising step charts
Sayonara Wild Hearts
Gold-rank score chasing rewards route learning
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.