Gumroad takes 10% + $0.50 per direct sale (30% on Discover marketplace) and charges you nothing else. cartt.io takes 0% and charges a $9–19/month subscription. For any non-trivial volume, the math favors cartt.io — plus your checkout looks like your brand instead of a marketplace listing.
Last reviewed:
| Feature | cartt.io | Gumroad |
|---|---|---|
| Platform fee (direct sale) | 0% | 10% + $0.50[1] |
| Platform fee (marketplace sale) | N/A (no marketplace) | 30% on Discover[3] |
| Use your own Stripe account | ||
| Visual page editor | Limited | |
| Template variety | 5 + visual editor | Locked |
| Countdown timers / urgency | Built-in | Limited |
| Order bumps / upsells | Built-in | Higher tier |
| UGC gallery / live alerts | Built-in | |
| Physical product shipping (25 countries) | Basic | |
| Custom domain | Pro / Business | Higher tier |
| Affiliate program | ||
| Marketplace discovery | Yes (Discover)[3] | |
| Built-in ratings/reviews | No (use UGC) |