It uses screenshots like other Pokémon Go IV calculators, but it also has batch processing capabilities. You can upload 20 or more screenshots at once for the IV checker to analyze if you want to go into more detail. Your battle-related results are fairly accurate because they are based on...
To check a Pokémon’s IVs, the main story must be completed first. Then players must challenge the Battle Tower and win six battles. When Rank 4 is reached, the IV checker will be unlocked for the Pokemon Box. Their IVs will be described using six terms: No Good (0 IV), Decent (1...