Polar is a Payments & billing tool: Open-source monetization platform for developers.

How much does Polar cost?

Polar uses a Freemium model; paid plans start at $20 per month.

What are the best alternatives to Polar?

Community-listed alternatives to Polar include Clocknext, Mercury, Stripe, Craftgate.

What does Polar integrate with?

Polar integrates with Stripe (under the hood), GitHub, Discord, Next.js SDK, Webhooks, API and more.

Polar

Open-source monetization platform for developers

Freemium · $20Payments & billing

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Polar is a payments & billing tool for Developers, offered as freemium ($20/mo). Based in Sweden, founded in 2022. Popular alternatives include Clocknext, Mercury, Stripe.

About Polar

Polar is an open-source merchant of record and monetization platform for developers, based in Stockholm and founded by Birk Jernström. It started as a way to fund open-source work and evolved into a full payments platform for selling SaaS subscriptions, digital products and access to software, with global tax compliance handled because Polar is the legal seller.

Polar provides hosted and embedded checkout, subscriptions with trials and upgrades, usage-based billing driven by metered events, license keys, a customer portal and discounts. A distinctive feature is benefits: purchases can automatically grant access to a private GitHub repository, a Discord role, file downloads or license keys, which suits developer products and paid communities. SDKs for TypeScript and Python, adapters for Next.js and other frameworks, webhooks and a public API make integration fast, and the codebase itself is open source. The free Starter plan charges 5% plus 50 cents per transaction, and paid plans from $20 a month lower that fee.

Polar fits indie developers, open-source maintainers and small SaaS teams that want low fees and developer-friendly tooling. As a young company it has fewer enterprise features, a smaller support team and less history than established providers. Lemon Squeezy, now owned by Stripe, offers a similar indie-friendly experience at higher fees, Paddle is better for larger SaaS companies needing invoicing and sales-assisted deals, and Stripe alone is cheaper if you can manage tax yourself.

Key features of Polar

Merchant of record with global tax
Checkout and subscriptions
Usage-based billing
License keys
Benefits: GitHub repo, Discord roles, downloads
Open source with SDKs

Pros and cons

Pros

Lower fees on paid plans
Developer-friendly
Open source
Benefits automation

Cons

Young company
Fewer enterprise features
Smaller support team
Payout timing

Polar pricing

Polar uses a freemium model.

Plan	Price	Includes
Starter	$0	5% + 50¢ per transaction
Pro	$20 / mo	3.8% + 40¢ per transaction, prioritized support
Growth	$100 / mo	3.6% + 35¢ per transaction
Scale	$400 / mo	3.4% + 30¢ per transaction, Slack support

Source: polar.sh · checked on Oct 20, 2026

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How Polar compares in Payments & billing

Rank by votes: #1 / 22
Starting price: $20
Free alternatives: 3

Polar ranks #1 of 22 payments & billing tools by community votes and is priced below most tools in the category.

Common use cases

1Indie SaaS charging globally
2Selling access to private repos
3Usage billing for API
4Digital products with Discord perks

Best for

Indie developers and small SaaS.

Not ideal for

Large SaaS needing enterprise invoicing (Paddle).

Integrations

Stripe (under the hood)
GitHub
Discord
Next.js SDK
Webhooks
API

Our take

Polar is the developer-friendly MoR with transparent fees.

FAQ

What is Polar?: Polar is a Payments & billing tool: Open-source monetization platform for developers.
How much does Polar cost?: Polar uses a Freemium model; paid plans start at $20 per month.
What are the best alternatives to Polar?: Community-listed alternatives to Polar include Clocknext, Mercury, Stripe, Craftgate.
What does Polar integrate with?: Polar integrates with Stripe (under the hood), GitHub, Discord, Next.js SDK, Webhooks, API and more.
Which platforms does Polar support?: Polar is available on web.
Who is Polar for?: Indie developers and small SaaS.

Alternatives to Polar

See all 10

Clocknext
▲ 0
Usage metering, credits and margin tracking for billing AI agents
Freemium · $300Developers
checked Nov 6
Mercury
▲ 0
Banking built for startups
Freemium · $30Small businesses
checked Oct 20
Stripe
▲ 0
Payments infrastructure for the internet
PaidDevelopers
checked Oct 20
Craftgate
▲ 0
One-stop payment orchestration platform
PaidSmall businesses
checked Oct 20
Lemon Squeezy
▲ 0
Merchant of record for digital products
PaidFreelancers
checked Oct 20
Paddle
▲ 0
Merchant of record for software companies
PaidSmall businesses
checked Oct 20

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Lidio
▲ 0
Turkish payment orchestration: virtual POS, routing, one-click pay
PaidE-commerce
checked Oct 20
MRRaudit
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Free audit that explains why Stripe and ChartMogul MRR differ
FreeSmall businesses
checked Oct 27
Shopier
▲ 0
Sell and get paid online from Turkey, including via social media
PaidSmall businesses
checked Oct 20
Param
▲ 0
Virtual POS and payment services from a Turkish payment institution
PaidSmall businesses
checked Oct 20
PayTR
▲ 0
Turkish payment service provider
PaidSmall businesses
checked Oct 20
Sipay
▲ 0
Virtual POS, payments and wallet from a licensed Turkish e-money firm
PaidSmall businesses
checked Oct 20

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