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Polar — Open-source monetization for developers
Lowest MoR fees on the market (4% + $0.40). Open source, built for developers and OSS projects.
Visit Polar→Pricing
4% + $0.40 per transaction (lowest MoR fees on the market)
Best for
- indie dev
- open source
- developers
- Digital products
- SaaS
- web
- Creators
- Global tax & VAT compliance
- Fast setup
- Low fees
- B2B
Pros
- ✓Easy to set up and ship
- ✓Competitive fees as you scale
- ✓Handles global sales tax and VAT
Cons
- —Limited conversion / paywall optimization
- —Basic billing only
Alternatives
Lemon Squeezy5% + $0.50 per transaction. Acquired by Stripe 2024.
Payments, subscriptions and MoR for indie SaaS
Compare Polar vs Lemon Squeezy →Gumroad10% + $0.50 per transaction (direct). 30% via Gumroad marketplace. MoR since January 2025 — handles all global tax.
Sell anything digital, instantly
Compare Polar vs Gumroad →Stripe BillingPay-as-you-go: 0.7% of billing volume. Or from €500/month (pay monthly, up to €80k volume/mo, 1-year contract, 0.67% beyond). Plus standard Stripe payment processing (1.5%+€0.25 EU cards).
Subscription billing with full developer control
Compare Polar vs Stripe Billing →Stacks that include Polar
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