AlterSend

Plans and prices

Every plan, in full

On the record

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.altersend.com · read 11 Oct 2026

Company

The privacy policy and terms identify AlterSend as a product operated by Devaprime LLC.altersend.com · read 11 Oct 2026

Desktop app

Yesaltersend.com · read 21 Sep 2026

Diagnostics

Crash reporting is disabled by default and can be enabled by the user; enabled reports are sent to Sentry.altersend.com · read 11 Oct 2026

Encryption

The privacy policy says transfers use the Noise protocol with Curve25519 key exchange and ChaCha20-Poly1305 encryption.altersend.com · read 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.altersend.com · read 11 Oct 2026

Open-source license

The maker states that AlterSend is released under the Apache 2.0 license.altersend.com · read 11 Oct 2026

Pairing

Devices can be paired with a QR code or short code and recognized automatically for later transfers.altersend.com · read 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.altersend.com · read 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.altersend.com · read 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.altersend.com · read 11 Oct 2026

Resume support

Interrupted transfers can resume from where they stopped after the devices reconnect.altersend.com · read 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.altersend.com · read 11 Oct 2026

Support

The self-hosted Personal plan includes community support on Discord, while the Business plan includes priority support.altersend.com · read 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.altersend.com · read 11 Oct 2026

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