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SPECIFICTION
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AlterSend

altersend.com

From $32.50/mo Free plan WebWindowsmacOSLinuxiOSAndroid
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Spec score 8.4 #38 of 105 in File transfer services

Spec sheet

Product
AlterSend is an open-source peer-to-peer app for sending files end-to-end encrypted to devices or recipients using a link.Read 11 Oct 2026 · altersend.com
Free plan
YesRead 21 Sep 2026 · altersend.com
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.Read 11 Oct 2026 · altersend.com
Privacy
The maker says files are not stored on its servers and remain end-to-end encrypted when routed through its relay.Read 11 Oct 2026 · altersend.com
Support
The self-hosted Personal plan includes community support on Discord, while the Business plan includes priority support.Read 11 Oct 2026 · altersend.com
Company
The privacy policy and terms identify AlterSend as a product operated by Devaprime LLC.Read 11 Oct 2026 · altersend.com
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.Read 11 Oct 2026 · altersend.com
Desktop app
YesRead 21 Sep 2026 · altersend.com
Diagnostics
Crash reporting is disabled by default and can be enabled by the user; enabled reports are sent to Sentry.Read 11 Oct 2026 · altersend.com
Encryption
The privacy policy says transfers use the Noise protocol with Curve25519 key exchange and ChaCha20-Poly1305 encryption.Read 11 Oct 2026 · altersend.com
Open-source license
The maker states that AlterSend is released under the Apache 2.0 license.Read 11 Oct 2026 · altersend.com
Pairing
Devices can be paired with a QR code or short code and recognized automatically for later transfers.Read 11 Oct 2026 · altersend.com
Peer discovery
AlterSend uses the Hyperswarm distributed hash table for device discovery, during which a device IP address is briefly visible to DHT participants.Read 11 Oct 2026 · altersend.com
Resume support
Interrupted transfers can resume from where they stopped after the devices reconnect.Read 11 Oct 2026 · altersend.com
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.Read 11 Oct 2026 · altersend.com
Transfer types
The app can send text notes, individual files, and folders, and its site describes transfers involving files up to 200 GB.Read 11 Oct 2026 · altersend.com

Plans and prices

Personal self-hosted relay Free Free forever Personal, non-commercial use · one relay server · 4 simultaneous transfers · Discord community support Read 11 Oct 2026 · altersend.com
Business self-hosted relay $390 a year Billed yearly per organization Multiple relay servers managed from one place · unlimited simultaneous transfers · exportable usage metrics · commercial use license · priority support Read 11 Oct 2026 · altersend.com
Free AlterSend Free Free to use · direct transfers unlimited · relayed app transfers capped at 20 GB · browser link transfers capped at 10 GB Read 11 Oct 2026 · altersend.com
AlterSend Pro Price not published Automatically renews monthly; exact price and currency shown in the app before purchase Raises size limits on relayed transfers · priority when a relay is busy · direct transfers remain unlimited Read 11 Oct 2026 · altersend.com
AlterSend Pro Price not published Automatically renews yearly; exact price and currency shown in the app before purchase Raises size limits on relayed transfers · priority when a relay is busy · direct transfers remain unlimited Read 11 Oct 2026 · altersend.com

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