AlterSend
The facts below are what the maker publishes about AlterSend, checked and dated. Our editors have not written about it yet.
Plans and prices
From AlterSend's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Personal self-hosted relay | Free | Personal, non-commercial use · one relay server · 4 simultaneous transfers · Discord community support · Free forever |
| Business self-hosted relay | $390 a year | Multiple relay servers managed from one place · unlimited simultaneous transfers · exportable usage metrics · commercial use license · priority support · Billed yearly per organization |
| Free AlterSend | Free | Free to use · direct transfers unlimited · relayed app transfers capped at 20 GB · browser link transfers capped at 10 GB |
| AlterSend Pro | — | Raises size limits on relayed transfers · priority when a relay is busy · direct transfers remain unlimited · Automatically renews monthly; exact price and currency shown in the app before purchase |
| AlterSend Pro | — | Raises size limits on relayed transfers · priority when a relay is busy · direct transfers remain unlimited · Automatically renews yearly; exact price and currency shown in the app before purchase |
The facts
Each one read from AlterSend's own pages, with the date it was checked.
Where it runs
- Browser links
- Recipients can download from a browser without installing the app or creating an account; browser link transfers use a relay and are capped at 10 GB.checked 11 Oct 2026
- Desktop app
- Yeschecked 21 Sep 2026
The company
- Company
- The privacy policy and terms identify AlterSend as a product operated by Devaprime LLC.checked 11 Oct 2026
What it does
- Diagnostics
- Crash reporting is disabled by default and can be enabled by the user; enabled reports are sent to Sentry.checked 11 Oct 2026
- Encryption
- The privacy policy says transfers use the Noise protocol with Curve25519 key exchange and ChaCha20-Poly1305 encryption.checked 11 Oct 2026
- Integrations
- The privacy policy names Sentry for crash reporting, Hyperswarm DHT for peer discovery, Stripe for card payments, Apple and Google for app purchases, RevenueCat for receipt validation, and Cloudflare and Supabase for subscription services.checked 11 Oct 2026
- Open-source license
- The maker states that AlterSend is released under the Apache 2.0 license.checked 11 Oct 2026
- Pairing
- Devices can be paired with a QR code or short code and recognized automatically for later transfers.checked 11 Oct 2026
- Peer discovery
- AlterSend uses the Hyperswarm distributed hash table for device discovery, during which a device IP address is briefly visible to DHT participants.checked 11 Oct 2026
- Privacy
- The maker says files are not stored on its servers and remain end-to-end encrypted when routed through its relay.checked 11 Oct 2026
- Product
- AlterSend is an open-source peer-to-peer app for sending files end-to-end encrypted to devices or recipients using a link.checked 11 Oct 2026
- Resume support
- Interrupted transfers can resume from where they stopped after the devices reconnect.checked 11 Oct 2026
- Self-hosting
- Users can run the relay in a Docker container on a server with one UDP port open; the maker says no domain, certificates, or reverse proxy are required.checked 11 Oct 2026
- Support
- The self-hosted Personal plan includes community support on Discord, while the Business plan includes priority support.checked 11 Oct 2026
- Transfer types
- The app can send text notes, individual files, and folders, and its site describes transfers involving files up to 200 GB.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 21 Sep 2026



