Gen 2 PokéStop Item Drops: Berries and Evolution Items changed it all!

Trainers,

we are currently doing a research on PokéStop drops. Currently we are at 23700 recorded drops and will continue to aggregate data submitted by researchers and friends.

The data set has been purged to not include February 17 drops, as data suggested that there was a big shift in the drop rate of evolution items.

The majority of the data was collected in Croatia, with around 3500 drops submitted by whalespotterhdd on reddit. The data contains N-day streak bonuses, including 7-th day bonus drops.

Take a deep breath, here are the  initial  results of our research.

Drop rate of Evolution items confirmed less than 1%

The Internet has been speculating that the drop rate of Evolution items is around 1% since the launch of Generation II. We’ve discovered that to be wrong. Evolution items are far rarer than that, with data suggesting drop rates as low as 0.14%.

Here’s the compiled results for Evolution items and remember – our data set includes 23k drops.

Item Drops % of Total
Sun Stone 8 0.03%
King’s Rock 6 0.03%
Dragon Scale 4 0.02%
Upgrade 6 0.03%
Metal Coat 9 0.04%
TOTALS 33 of 23701 0.14% of 100%

We are not confident enough to confirm, but the initial data suggest that drop rates are uniformly distributed. Apparently, we got lucky with a few extra Metal Coats, but the data sample is far too low to draw any firm conclusions.

THE DROP RATE CHANGE

With that said, we think that there was a change in evolution item drop rates on Day I of Generation II launch. In the first 3000 or 4000 recorded drops, there was around 28 Evolution items, a number that would be unmatched in the next 14 000 drops.

Most of those drops were recorded on February 17 and 18th, on a multi-lure (8 stops on a 400 meter stretch) hotspot in Kaštel Stari, Croatia. The rest of the research was conducted in that same area.

The influence of new Berries

It’s best if you see it for yourself. Since December 2016 was the last time some research was done on Item Drops, the PokéStops have been fairly stable up to Gen 2 launch. The introduction of new Berries diluted the item pool, reducing almost all other item drop rates.

The biggest losers by far are Potions and Balls categories.

Item Drops % of Drops
Balls 15324 64.66%
Pokéball 11462 48.36%
Greatball 3302 13.93%
Ultraball 560 2.36%
Potions 3744 15.80%
Potion 2321 9.79%
Super Potion 968 4.08%
Hyper Potion 388 1.64%
Max Potion 67 0.28%
Berries 3395 14.32%
Razz Berry 1810 7.64%
Nanab Berry 833 3.51%
Pinap Berry 752 3.17%
Evolution items 33 0.14%
Sun Stone 8 0.03%
King’s Rock 6 0.03%
Dragon Scale 4 0.02%
Upgrade 6 0.03%
Metal Coat 9 0.04%
Other 1205 5.08%
Revive 935 3.94%
Max Revive 74 0.31%
Egg 196 0.83%

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Zeroghan
Zeroghanhttps://pokemongohub.net/
Zeroghan started the Hub in July 2016 and hasn't had much sleep since. A lover of all things Pokémon, web development, and writing.

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