You can use W or the up key, and S or the down key, to increment the counter. You can also use R to reset the counter.

IVs

• 0 - 4: No guaranteed IVs
• 5 - 9: 1 perfect IV
• 10 - 19: 2 perfect IVs
• 20 - 29: 3 perfect IVs
• 30 - 255: 4 perfect IVs

Hidden abilities

• 0 - 9: 0% chance
• 10 - 19: 5% chance
• 20 - 29: 10% chance
• 30 - 255: 15% chance

Shiny

70 - 255 gives you a 1/1024 chance of encountering a shiny. If you have the shiny charm, it is 1/683.

Note that this is given to you live under the counter!