RelayPony enables direct, encrypted file transfers between phones using a local Wi-Fi connection. Designed for users who need to send files securely from one mobile device to another, it ensures that files travel directly between devices without passing through any server or cloud storage. This approach leaves no data behind on third-party infrastructure and requires no user account or sign-in process.
The app employs end-to-end encryption based on the age protocol, protecting file contents throughout the transfer. Both iOS and Android versions are available, with the iPhone app built natively in Swift and the Android version developed with Kotlin and Jetpack Compose. The two platforms use a consistent wire protocol, allowing seamless operation across devices regardless of operating system.
RelayPony is distributed as a free download on the App Store and Google Play, with no in-app purchases or fees. It is open source under the Apache-2.0 license, allowing users and developers to inspect, modify, or contribute to the codebase. The tool is positioned within the class of encrypted file transfer applications, serving those who prioritize privacy and direct device-to-device communication.
In the File storage & sync space, RelayPony takes a focused approach. It focuses on transferring files securely and directly between phones without using cloud services or accounts. It is built as a consumer product for mobile users seeking secure file transfer. The product is available for free. It runs on Android and iOS.
It is developed by NorseHorse (United States), and the product first shipped in 2026. Development happens publicly on GitHub with 2 commits in the last 90 days. Key capabilities include end-to-end encryption, wi-Fi transfer, and no cloud storage.
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