Plan every game pass and developer product price: Robux you keep after the 30% fee, DevEx dollars, and revenue per 1,000 players. Free, works offline.
Item
Type
Price (Robux)
Buyers per 1,000 players
You keep / sale
Robux / month
DevEx USD
Total: · a month
You keep 70% of each sale (Roblox keeps 30%), rounded down. DevEx rates from Roblox's Developer Exchange docs (checked 16 Oct 2026). "Buyers per 1,000 players" is your own estimate or your real numbers from Creator Hub analytics.
The link in your address bar keeps your numbers, so you can bookmark it or send it to a teammate.
Stallwren Shop & Currency System: A shop and currencies that never lose a purchase
from $8
Selling these passes and products in your game? Stallwren is a tested shop and currency system: wallet, catalogue with sales and limited-time items, purchases charged once, game passes and a shop UI.
7 free Luau modules (damage, pets, shop formatting, admin audit log, tycoon guards and more) plus 3 free calculators, then 5 short emails with the scripting fixes we see go wrong most often.