head to head/Payments & Billing
Ecom Calc Tools vs Polar
Neck and neck on boosts. Profiles, pricing and deals below.
Ecom Calc Tools
Free Ecommerce Fee & Profit Calculators 2026
community boosts
⚡ 0
pricing
Paid
what it is
Free ecommerce fee calculator hub for sellers. Calculate true profit after marketplace fees, ads, shipping, returns, Stripe, PayPal and platform costs.
Polar
Open-source merchant of record for developers
community boosts
⚡ 0
pricing
Paid · 4% + 40c per transaction
what it is
Polar gives developers checkout, subscriptions, license keys and usage-based billing as an open-source MoR with a lower take rate than incumbents. The new favorite for indie devs monetizing side projects.