Polar
Polar: An open-source billing and Merchant of Record platform for software businesses. Ranked #4 of 32 in Merchant of Record Software by our editors (9.0/10); pricing: Free plan; best for open-source SaaS startups.
At a glance
- Editor score9.0 / 10
- PricingFree plan
- Best forOpen-source SaaS startups
- Free planYes
- Paid from$20/mo
- Tax handlingFull
- Founded2024 · San Francisco, California, United States
- Facts checked20 Sep 2026
Where it wins
- Free Starter plan with all features to sell
- Usage metering, subscriptions, checkout, and entitlements
- Self-hosting, APIs, SDKs, webhooks, and framework adapters
Where it doesn't
- Founded in 2024, with a shorter operating history
- Country coverage is limited to 118 listed countries
- Higher tiers are needed for prioritized or P1 support
Our verdict on Polar
Polar combines billing software with Merchant of Record services for developers, designers, startups, and software businesses. It supports usage-based billing, recurring subscriptions, invoicing, hosted and embedded checkout, customer portals, payouts, and automated digital-product entitlements. Its open-source model and self-hosted option make it especially relevant to open-source SaaS startups that want control over their billing stack while offering subscriptions, usage-based products, or seat-based plans.
Pricing is organized across five monthly plans, plus a startup offer. The free Starter plan includes all features to sell and standard support. Pro costs $20 per month and adds preview access to new features and prioritized support. Growth costs $100 per month with the same listed support additions, while Scale costs $400 per month and adds a shared Slack channel, P1 support, and Single Sign-On. The Startup Program provides the Scale plan free for twelve months on annual billing for early-stage AI startups. Organizations created before May 27, 2026 may have the Early Member plan.
Polar’s strongest product depth is its developer-oriented billing and delivery layer. Usage metering covers tokens, API calls, compute, storage, and other events, while subscriptions support upgrades, proration, and renewals. Hosted checkout includes localized currencies and tax inclusion, and embedded checkout supports websites and JavaScript applications. As Merchant of Record, Polar handles international sales-tax liabilities and remittance for digital goods and services. APIs, SDKs, webhooks, and framework adapters support product integrations, with Stripe, GitHub, Discord, and Slack listed among its integrations. Choose Polar for flexible software monetization and open-source deployment; consider alternatives if longer market history or broader geographic reach is the priority.
Your product? Our editors can test Polar in depth and publish a review, labelled as paid · from $149/mo →
Polar pricing
All 6 Polar plans and prices →
Polar fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $20/mo |
| Tax handling | Full |
| Subscription billing | Yes |
| Digital delivery | Yes |
| Checkout options | Multi-channel |
| Payout currencies | Not verified |
| Supported countries | 118 |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Compliance & security | GDPR |
| Support | Email, Community, Docs |
| Built for | Solo, Small business, Mid-market (editorial estimate) |
| Integrations | 4 integrations: Stripe, GitHub, Discord, Slack |
| Pricing | Free plan (source) |
| Website | polar.sh |
| Facts checked | 20 Sep 2026 |
Polar integrations
Polar lists 4 integrations on its own site.
- Stripe
- GitHub
- Discord
- Slack
Alternatives to Polar
- CreemA broad monetization stack with flexible billing, global tax handling, and usage-based pricing.9.4
- MacropayA broad MoR platform for global SaaS with subscriptions, usage billing, and digital delivery.9.3
- Dodo PaymentsBroad global billing, tax compliance, checkout, and digital delivery in one platform.9.1
Polar vs the competition
Compare Polar with any tool side by side →
Also Ranked In
Polar is ranked in 2 of our directories.
Used Polar? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Polar for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Polar is listed in our Merchant of Record Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/polar-merchant-of-record-software/"><img src="https://www.itechguides.com/best/badge/polar-merchant-of-record-software.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update