Side by side
Kelviq vs Polar
Both stand on merchant of record software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid APIWeb
Kelviq combines billing, payments, usage metering, and merchant-of-record tax handling for digital sellers. Review its transaction charges and eligibility limits before adopting it.
Visit Kelviq Free plan AndroidAPIExtension+2
Polar combines billing, usage metering, and merchant-of-record functions for AI products. Its meters track usage but leave quota enforcement to the product, and plans include transaction fees.
Visit PolarThe facts
| Kelviq | Polar | |
|---|---|---|
| Free plan | No | Yes |
| Open source | Not published | Not published |
| Runs on | API, Web | Android, API, Extension, iPhone, Web |
| Lowest paid plan | Free or on request | Pro: $20 a month |
| Plans published | 1 | 4 |
| Maker | Not published | Not published |
| Website | kelviq.com | polar.sh |
| On merchant of record software | #21 of 32 | #5 of 32 |
Kelviq: what it does well
- Supports multiple pricing models, including hybrid pricing
- Real-time usage metering with alerts and limits
- Handles sales tax, VAT, and GST
- Hosted checkout and customer portal
- REST API and typed SDKs
What to know first
- No free plan
- Original transaction fee is retained on refunds
- Charge disputes incur a $15 fee
- Does not support physical goods or marketplaces
Polar: what it does well
- Free Starter plan includes all features to sell.
- Meters support several aggregation methods.
- Merchant-of-record service covers sales tax and refunds.
- Hosted checkout includes localized currencies and sales tax.
What to know first
- Plans charge transaction fees.
- Usage meters do not enforce quotas.
- Pro costs $20 a month.