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 · Competitive PvP
A crossover anime arena fighter pitting Shonen Jump heroes against each other.

Execution · Competitive PvP
An anime fighter testing substitution mind-games and modest execution in versus play.
Jump Force leans Execution (Competitive PvP); Naruto: Clash of Ninja Revolution 2 leans Execution (Competitive PvP).
Naruto: Clash of Ninja Revolution 2 leans a little harder on execution, though the gap is small.
Jump Force
3D arena combos with generous tracking
Naruto: Clash of Ninja Revolution 2
Cancel timing and sidesteps decide exchanges
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Jump Force
Human opponents force guard-break guessing
Naruto: Clash of Ninja Revolution 2
Local versus rewards predicting human substitution habits
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Jump Force
Full information arena duels
Naruto: Clash of Ninja Revolution 2
Deterministic engine, nothing hidden
Jump Force leans a little harder on optimization, though the gap is small.
Jump Force
Team picks and awakening meter management
Naruto: Clash of Ninja Revolution 2
Compact movesets are quickly catalogued per character
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.