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
A team MOBA where map control and adaptive duels decide objectives.
Heroes of the Storm leans Reads (Mind & Math); League of Legends leans Reads (Grand Arena).
League of Legends leans a little harder on execution, though the gap is small.
Heroes of the Storm
Skillshots and rotations require hands
League of Legends
Mechanics matter but not aimbot-decisive.
League of Legends leans a little harder on reads, though the gap is small.
Heroes of the Storm
Team-fight cooldown trading is prediction
League of Legends
Lane and jungle constantly mind-game opponents.
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
Champion select and minor RNG only.
League of Legends leans a little harder on optimization, though the gap is small.
Heroes of the Storm
Talent picks and team comps deep
League of Legends
Itemization, wave management, and macro are 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.