head to head
Neither is simply harder - they are hard in different places. Divekick demands more reads; Pokémon Battle Revolution demands more variance.

Reads · Pure Mind Games
A two-button parody fighter that strips fighting games down to pure one-hit-kill spacing reads.

Reads · Mind & Math
Predicting a human trainer's switches atop team-building math and damage rolls.
Divekick leans Reads (Pure Mind Games); Pokémon Battle Revolution leans Reads (Mind & Math).
Divekick leans a little harder on execution, though the gap is small.
Divekick
Two buttons, one-hit kills; almost no physical ceiling.
Pokémon Battle Revolution
Turn-based menu selection requires no dexterity
Divekick leans clearly harder on reads.
Divekick
Pure spacing yomi against an adapting human is the entire game.
Pokémon Battle Revolution
Wi-Fi battles hinge on predicting switches and protects
Pokémon Battle Revolution leans clearly harder on variance.
Divekick
Fully deterministic.
Pokémon Battle Revolution
Damage rolls, crits and status procs sway turns
Pokémon Battle Revolution leans clearly harder on optimization.
Divekick
Character angles and gem choices are quickly mapped.
Pokémon Battle Revolution
Team building and type-matchup math underpin every battle
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.