Mercur vs Poseidon by Trident
| Mercur | Poseidon by Trident | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, self-hosted, Web | — |
| Free plan | Yes | No |
| Commission rules | Yes | Yes |
| Automated payouts | Yes | Yes |
| Seller onboarding | Yes | Yes |
| Product types | mixed | mixed |
| Multi-currency | Yes | — |
| Shipping workflows | Yes | — |
| Paid from | — | 500 /mo |
Both are listed in Best Online Marketplace Software. On Samsung Mobile US Press, Mercur scores higher on our published basis.