fastmon RUM vs Last9 Real User Monitoring
| fastmon RUM | Last9 Real User Monitoring | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | No |
| Paid from | €29/mo | — |
| Open source | No | No |
| Platforms | api, Web | Android, iOS, Web |
| Free plan | No | — |
| Core Web Vitals | Yes | Yes |
| Interaction tracking | Yes | — |
| Geographic breakdown | Yes | Yes |
| Error correlation | Yes | Yes |
| Data retention | 90+ days | — |
| Pricing metric | pageviews | custom |
| Mobile app monitoring | — | Yes |
Both are listed in Best Real User Monitoring. On Everything Xiaomi, Last9 Real User Monitoring scores higher on our published basis.