Polar
Swell
| Feature | Polar | Swell |
|---|---|---|
| Pricing | Free only | Free / from $299/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.3 / 5 |
| Best For | open-source-developers, indie-hackers, creators, saas-founders | developers, subscription-businesses, custom-ecommerce, b2b-commerce |
| Founded | 2023 | 2016 |
| Subscriptions | ✓ | ✓ |
| One Time Payments | ✓ | ✗ |
| Digital Products | ✓ | ✗ |
| Github Sponsors | ✓ | ✗ |
| Api | ✓ | ✗ |
| Embeddable Checkout | ✓ | ✗ |
| Headless Api | ✗ | ✓ |
| Multi Currency | ✗ | ✓ |
| Custom Models | ✗ | ✓ |
| Webhooks | ✗ | ✓ |
| Admin Dashboard | ✗ | ✓ |
✓ Polar Pros
- Built for developers and open-source
- GitHub integration for sponsors
- Handles international tax/VAT
- Beautiful checkout and billing portal
✗ Polar Cons
- Takes a percentage of revenue
- Limited to digital products
- Relatively new platform
✓ Swell Pros
- Extremely flexible API
- Built-in subscription support
- Good for unique business models
- Developer-friendly
✗ Swell Cons
- Requires development resources
- Expensive for small stores
- Smaller ecosystem
The Verdict
Polar is built for open source developers and indie hackers, with a focus on subscriptions and one-time-payments. Swell targets developers and subscription businesses and leads with headless-api and subscriptions.
Polar uses custom enterprise pricing, while Swell starts at $299/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.