Larix Broadcaster

Active

Country: United States (US)
Founded: 2011
Developer: Softvelum (Furtree Systems, Inc.)
Pricing: Free with premium in-app subscriptions
Open source: No
Platforms: iOS, Android

Indexes

Live Streaming

Overview

Larix Broadcaster is a mobile app for live streaming video and audio from iOS and Android devices using protocols including SRT, RTMP, Zixi, NDI, WebRTC, RTSP, and RIST.¹²⁴ It targets mobile journalism, IRL streaming, remote production, and live broadcasting workflows, supporting features like multi-camera capture, HEVC encoding, and streaming to platforms such as YouTube Live, Facebook Live, Twitch, and media servers like Nimble Streamer or Wowza.¹⁴⁷

Key Features

SRT Streaming - Supports Push (Caller), Listen, and Rendezvous modes with parameters like latency and maxbw using libsrt 1.5.3.
RTMP Streaming - Publishes to standard recipients with SSL support and enhanced spec for HEVC delivery (premium).
NDI|HX2 Output - Turns device into NDI source with H.264/HEVC support, preview, tally light, and NDI SDK v6.2.1 (premium).
WebRTC Output - Uses WHIP signaling with Opus codec (premium).
RIST Protocol - Push mode support for Main and Simple Profiles using librist 0.2.7.
Multiple Simultaneous Connections - Streams to several destinations at once (premium for 3+).
Multi-Camera Capture - Picture-in-picture, side-by-side on iPhone XR+, dual/triple lenses, Center Stage for iPads.
HEVC/H.265 Encoding - Available on supported devices, including HDR and transmission over RTMP to YouTube (premium).
Adaptive Bitrate - Logarithmic descend, ladder ascend, hybrid, variable FPS.
Pause and Stand-by - Allows pausing stream with pre-stream stand-by mode.

Pricing

Plan	Price	Includes
Free	Free	Basic streaming with SRT, RTMP, RTSP, RIST; single connections; standard resolutions.
Premium NDI	$19.99/mo in-app or $10/mo via Larix Tuner	NDI	HX2 output, HEVC via RTMP, multiple connections (3+), WebRTC.
HEVC/Advanced Features	In-app purchase (one-time or sub)	HEVC encoding, HDR, talkback audio return.

Platforms & Requirements

Available on iOS (iPhone, iPad, supports macOS via iPad apps) and Android devices.¹²⁴ Requires devices supporting UltraHD and HEVC for advanced features; multi-camera on iPhone XR+ and equivalent Androids. Premium features like NDI and multiple streams need subscription; no desktop native version.

Integrations & Ecosystem

YouTube Live
Facebook Live
Twitch
Kick
Restream.io
Dacast
Cloudflare Stream
Nimble Streamer
Wowza
Red5
Flussonic
vMix
OBS Studio

Alternatives

App	Difference
OBS Studio	Free desktop-focused open-source streamer with broader plugin support but lacks mobile SRT/NDI native.
Streamlabs Mobile	Freemium mobile app geared toward gaming/social streaming, less protocol variety than Larix's professional options.
Prism Live Studio	Free mobile streamer with built-in multistreaming, but fewer low-latency protocols like SRT/RIST.
Teradek Vidiu	Hardware encoder app companion with bonded cellular, higher cost than Larix's software model.

Reputation

Larix Broadcaster is regarded as a reliable tool for professional mobile streaming, praised for robust protocol support including SRT and NDI, enabling low-latency contributions in journalism and production.¹²⁴ Users appreciate features like HEVC/HDR and multi-camera on modern devices, with App Store rating around 3.8/5 from 50k+ downloads.⁵ Criticisms include premium paywalls for key features like NDI and multiple streams, potentially limiting free users.²

Sources (10)