SerpTrace vs Zest Metrics
| SerpTrace | Zest Metrics | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | Yes | No |
| Keyword limit | — | 150 keywords |
| Update frequency | — | daily |
| Location tracking | — | global |
| Competitor tracking | — | Yes |
| Mobile rank tracking | — | Yes |
| Historical ranking data | — | Yes |
Both are listed in Best Rank Tracking Software. On Samsung Mobile US Press, SerpTrace scores higher on our published basis.