GBL Box
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IV decisions for GO Battle League

Rank alone does not
decide the battle.

Plenty of tools read your IVs and show a rank. GBLBOX also shows SCP (overall bulk) and the actual Attack, Defense, and HP values, on the same screen.

Get it on the App Store Analysis runs on your device
  • Free
  • iPhone
  • On-device screenshot analysis
GBLBOX detail screen showing IVs, CP, league ranks, SCP and actual stat values The reading result screen

Rank 1 loses to rank 76.

Two Feraligatr, both at CP 1,499. Rank 76 has the higher Attack and Defense values, and wins with zero, one, or two shields each. 185 of the 4,096 IV combinations do the same.

IVs 0 / 11 / 13Rank 1
IVs 0 / 13 / 1Rank 76
Stat productshare of the rank 1 value
100.0%
98.6%
SCP (overall bulk)Attack × Defense × HP
1,498
1,484
CP
1,499
1,499identical
Attack / Defense / HPvalues after powering up
122.5 / 118.9 / 126
124.0 / 121.6 / 120
Damage dealt to the otherShadow Claw, one hit
4
5
Hydro Cannon, one hit
40
41
HP left when it endsno shields
0
40
one shield each
0
20
two shields each
0
12wins every time

Great League, Shadow Claw with Hydro Cannon and Ice Beam. Same rules as the app's battle simulator: each side throws its strongest affordable charged move as soon as it can and shields the earliest hits. Neither side throws a weak move to draw out a shield.

The numbers that decide the fight.

SCP (overall bulk)

Attack, Defense, and HP in one number. Weigh damage against staying power, per league.

Actual Attack, Defense, HP

What the stats become once you power up. How many hits you survive comes from here, not a percentage.

Reachable level and CP

How far you can power up under the CP cap, with the stardust and candy it takes.

Breakpoints

The same move deals one more damage once Attack passes a certain value. GBLBOX works back to the value you need.

See GBLBOX in action

GBLBOX individual detail screen
Check ranks and evolutionsIVs, league ranks, SCP, stat values, and evolutions on one screen.
GBLBOX move count screen
Check move countsMove counting and breakpoint search.
GBLBOX tools screen
Open the tools you needRank checks, power-up planner, trade checks.
GBLBOX GBL record analysis screen
Review your battle recordYour win rate and your best and worst matchups.

It starts with
one screenshot.

Capture the appraisal screen and hand it to GBLBOX. The numbers follow, evolutions included.

  • Send from the share sheet
  • Read a batch
  • Evaluate evolutions
  • Keep it in the box

Questions

Can GBLBOX check Pokémon GO IVs from screenshots?

Yes. Load the appraisal screenshot and you get IVs, CP, HP, and each league rank.

What is SCP?

Overall bulk: the actual Attack, Defense, and HP values multiplied together. Useful when two ranks are close.

Which leagues does GBLBOX support?

Great, Ultra, and Master: ranks, stat product, SCP, stat values, evolutions.

Is screenshot analysis safe?

Normal image analysis runs on your device; nothing is sent to an outside service.

Reading the numbers

Rank 1 loses the mirrorThe rank 1 and rank 76 Feraligatr, and rank 1 falls first however many shields are held. Why a lower Attack IV ranks higherA 15/15/15 Feraligatr sits at rank 3,138 in the Great League, because of the CP formula.

See all four guides

Change the call on your next screenshot.

Free. Start with one Pokémon, through to SCP and the stat values.

Get it on the App Store

This app is not affiliated with, endorsed, sponsored, or specifically approved by Niantic, Inc., The Pokémon Company, or Nintendo. "Pokémon" and "Pokémon GO" are trademarks of their respective owners. Game-related data is bundled inside the app based on community and public sources (PvPoke / PokeAPI / PokeMiners / Pokemon GO Hub / GamePress and others); normal use does not contact those external APIs or sites. GBL schedules and tournament dates may be updated through JSON hosted on this site. All values are for reference.