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.

Reads · Mind & Math
Objective-driven MOBA with shared team XP.

Reads · Grand Arena
Team prediction and macro optimisation compressed into touch-screen MOBA matches.
Heroes of the Storm leans Reads (Mind & Math); League of Legends: Wild Rift leans Reads (Grand Arena).
League of Legends: Wild Rift leans a little harder on execution, though the gap is small.
Heroes of the Storm
Skillshots and rotations require hands
League of Legends: Wild Rift
Touch-screen skillshots and kiting still set a real ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Heroes of the Storm
Team-fight cooldown trading is prediction
League of Legends: Wild Rift
Outguessing human laners and junglers never stops
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Heroes of the Storm
Map objectives and merc camps vary
League of Legends: Wild Rift
Drake spawns and crit rolls add bounded noise
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Heroes of the Storm
Talent picks and team comps deep
League of Legends: Wild Rift
Builds, wave control and objective timing are deeply solvable
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.