head to head
Heroes of the Storm asks more than Brawl Stars, and the gap is optimization.

Execution · Competitive PvP
Supercell's snappy top-down team brawler built around three-minute objective fights.

Reads · Mind & Math
Objective-driven MOBA with shared team XP.
Brawl Stars leans Execution (Competitive PvP); Heroes of the Storm leans Reads (Mind & Math).
Brawl Stars leans a little harder on execution, though the gap is small.
Brawl Stars
Aim, dodging, and ability timing in real time
Heroes of the Storm
Skillshots and rotations require hands
Heroes of the Storm leans a little harder on reads, though the gap is small.
Brawl Stars
Human teams rotate, bait supers, and adapt
Heroes of the Storm
Team-fight cooldown trading is prediction
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Brawl Stars
Bush ambushes and power-cube spawns hide information
Heroes of the Storm
Map objectives and merc camps vary
Heroes of the Storm leans clearly harder on optimization.
Brawl Stars
Brawler matchups and map strategy are learnable
Heroes of the Storm
Talent picks and team comps deep
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.