Moblin is a free live streaming app for iPhone developed by Erik Moqvist. With Moblin, users can stream live to Twitch and other platforms directly from their phones. The app offers a built-in chat feature for viewer interaction and supports various streaming protocols like SRTLA, SRT, RTMP, and RTMPS for flexible and reliable connections.

Users can stream in up to 4K resolution at 60 FPS with H.265/HEVC encoding. Additionally, Moblin allows the optional use of adaptive bitrate for SRT, SRTLA, and RTMP(S) streams, ensuring a smooth viewing experience. The app also includes video stabilization features and more. Users have the option to purchase cosmetics to support the developers, but all core features are available for free.