Self-host AlterSend
Run the relay on your own server — one container, one command, no domain required. Full control over where your data flows.
Personal, non-commercial use
- One relay server
- 4 simultaneous transfers
- Community support on Discord
Billed yearly, unlimited devices
- Multiple relay servers, managed from one place
- Unlimited simultaneous transfers
- Usage metrics, exported wherever you want
- Commercial use license and priority support
Why self-host?
FAQs
The relay — the server that carries a transfer when two devices cannot reach each other directly. It is one container; the apps and everything else stay exactly the same.
Any server that runs Docker, with one UDP port open. No domain, no certificates, no reverse proxy — a $5 VPS is plenty.
No. Files are end-to-end encrypted between the two devices, so a relay only ever forwards bytes it cannot read — including the one you run yourself.
The same container either way. Business unlocks several relays managed from one place, removes the limit on simultaneous transfers, and adds usage metrics you can export anywhere, a commercial use license and priority support.
No. Most transfers go straight between the two devices and never touch a relay, so nothing about them is capped. The limit only counts transfers the relay actually carries, which is the fallback for when two devices cannot reach each other directly.
Nothing breaks. Transfers in flight finish, the relay keeps running, and it simply drops back to the personal limits until you renew.
The business license is billed once a year per organization, with no per-device or per-seat pricing. Cancel whenever you like and it stays active until the end of the term.