Kricketot's best moveset in Pokémon GO is Struggle Bug and Struggle, with 2.97 damage per second, and it can deal 23.7 damage before Kricketot faints. This is true when battling in neutral weather.
All Kricketot movesets ranked
Here is a complete list of Kricketot movesets in Pokémon GO, ranked by their DPS and TDO. You can change the weather and the opposing Pokémon.