CrawlObserver vs SpyFu
| CrawlObserver | SpyFu | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | $29/mo |
| Open source | No | No |
| Platforms | api | api, Web |
| Free plan | Yes | Yes |
| Keyword research | No | Yes |
| Rank tracking | No | Yes |
| Site audit | Yes | Yes |
| Backlink analysis | Yes | Yes |
| API access | Yes | Yes |
| Paid from | — | $29/mo |
| Competitor research | — | Yes |
| Tracked keywords | — | 5,000 keywords |
Both are listed in Best SEO Tools. On Everything Xiaomi, SpyFu scores higher on our published basis.