For me: uploading single file using their client ~25MB/s, downloading ~50MB/s (30-60MB/s).
In newer versions of their linux client it’s possible to mount filen as network drive or to start webdav/s3 server.
I use rathole tunnel (similar to frp) on VPS and Caddy locally. VPS and my local machine are connected with wireguard VPN. DNS points to VPS, TLS certificates are managed locally by Caddy.
For me: uploading single file using their client ~25MB/s, downloading ~50MB/s (30-60MB/s). In newer versions of their linux client it’s possible to mount filen as network drive or to start webdav/s3 server.