Stripe vs LemonSqueezy vs Polar: Micro-SaaS Fee Comparison 2026

Quick Answer: Polar (4% + 40¢) is the best-in-class Merchant of Record for software developers in 2026, saving solo founders ~20% in transaction fees compared to LemonSqueezy (5% + 50¢) while fully handling global VAT, sales tax remittance, and EU compliance. Stripe (2.9% + 30¢) offers the lowest fee floor but requires founders to manage complex cross-border sales tax registration independently.

Key Takeaways

• Merchant of Record (MoR): Polar and LemonSqueezy act as the legal seller, removing tax liability and accounting overhead from the solo founder.
• Net Profit Difference: At $10,000 monthly revenue, Polar yields $9,560 net compared to $9,450 for LemonSqueezy and $9,680 for Stripe (excluding tax software costs).
• Developer Experience: Polar offers native open-source SDKs, license key management, and GitHub Sponsors integration.

Fee Comparison Across Revenue Tiers

Monthly Revenue (MRR)	Stripe Direct (2.9% + 30¢)	Polar MoR (4% + 40¢)	LemonSqueezy (5% + 50¢)
$2,000 (40 orders @ $50)	$70.00	$96.00	$120.00
$10,000 (200 orders @ $50)	$350.00	$480.00	$600.00
$25,000 (500 orders @ $50)	$875.00	$1,200.00	$1,500.00
Tax Compliance Included?	No (Requires Stripe Tax @ +0.5%)	Yes (100% Automated)	Yes (100% Automated)

Implementation Code: Polar Checkout

import { Polar } from '@polar-sh/sdk';

const polar = new Polar({ accessToken: process.env.POLAR_ACCESS_TOKEN });
const checkout = await polar.checkouts.create({
  productId: 'prod_verified_pro',
  successUrl: 'https://indiestackaudit.pages.dev/success'
});