iperf3 vs OpenSpeedTest
| iperf3 | OpenSpeedTest | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Linux, macOS, self-hosted | Web, Windows, macOS, Linux, iOS, Android |
| Free plan | Yes | Yes |
| Deployment | desktop | self_hosted |
| Test methods | — | active |
| Protocol support | — | HTTP/1.1, HTTP/2, HTTP/3 |
Both are listed in Best Network Testing Software. On Specifiction, iperf3 scores higher on our published basis.