SEM Optimiser vs SEO Stack
| SEM Optimiser | SEO Stack | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | $4.08/mo | $129.99/mo |
| Open source | No | No |
| Platforms | api | api, Web |
| Free plan | Yes | No |
| Paid from | $49/mo | $129.99/mo |
| Keyword research | Yes | — |
| Rank tracking | Yes | — |
| Site audit | Yes | — |
| Backlink analysis | Yes | — |
| Competitor research | Yes | — |
| API access | Yes | — |
| Tracked keywords | 2,000 keywords | 750 keywords |
Both are listed in Best SEO Tools. On Samsung Mobile US Press, SEM Optimiser scores higher on our published basis.