How to Use the Gacha Strategy Simulator
In gacha games, pull packages often offer discounts that make multi-pulls more cost-efficient than single pulls. Enter the actual price of each package and the item probability to find which strategy minimizes your expected spending.
How it works
The average pulls needed uses the geometric distribution expected value: ceil(100/p) where p is the probability percentage. Each strategy's total cost is then calculated as packages needed × package price.
Example
At $1.50 per single, $13.00 per 10-pull, $60.00 per 50-pull, and 2% probability, you need an average of 50 pulls. Single costs $75, 10-pull costs $65 (5 packs), 50-pull costs $60 (1 pack) — 50-pull wins.
Frequently Asked Questions
If all strategies cost the same per pull, the single strategy is shown as optimal since it requires the least upfront commitment. The calculator always identifies the minimum-cost approach.
This calculator assumes pure probability for each pull. Games with pity systems, guaranteed drops, or bonus pulls can lower the actual expected cost below what's shown here.
Yes. Just enter the in-game currency amounts. The currency symbol doesn't affect the calculation, so any unit works as long as you're consistent.