Larix Screencaster: Livestream1.2.7 - App Store

Stream your iPhone or iPad screen live - to any platform, server, or production switcher. No capture card, no desktop, no external hardware required.

Stream mobile gameplay to Twitch or Kick, share your screen during live sessions, or feed a remote production via SRT or Zixi - Larix Screencaster turns your screen into a live broadcast source.

PROTOCOLS
SRT (Caller, Listener, Rendezvous modes), RTMP/RTMPS, WebRTC/WHIP, Zixi, RTSP/RTSPS, and RIST. Stream to any media server or platform that accepts these inputs.

VIDEO ENCODING
H.264/AVC and H.265/HEVC encoding. HEVC over RTMP via Enhanced RTMP spec. Adaptive bitrate streaming (ABR) with logarithmic descent and ladder ascent modes. Variable FPS option for bandwidth-constrained networks.

MULTISTREAM
Stream to up to 3 destinations simultaneously - Twitch, YouTube, Nimble Streamer, Wowza, or any custom server. Multiple connection profiles supported.

PLATFORMS AND SERVERS
Works with Twitch, Kick, YouTube Live, Facebook Live, and any RTMP-capable platform. Server support includes Nimble Streamer, Wowza, Red5, Flussonic, Dacast, Akamai, and Limelight CDN.

LARIX PREMIUM - $9.99/month
Removes the 5-minute time limit. Full unlimited streaming to any destination.
Also activatable via Larix Tuner license.
Learn more: https://softvelum.com/larix/premium/

RESOURCES
Documentation: https://softvelum.com/larix/docs/
Setup video: https://www.youtube.com/watch?v=n-A4yspoaBQ

Larix Screencaster uses Apple's Standard License Agreement:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Version History Fixed WebRTC streaming 1.2.7 Sep 15 libsrt updated to 1.5.6 1.2.6 Aug 11 Updates for iOS 26.5 1.2.5 May 15 Updates for iOS 26 1.2.4 10/17/2025 Larix Tuner support 1.2.3 05/14/2025 Fix max SRT passphrase length, it's 80 characters now 1.2.2 02/24/2025 ~ The application now has a free limit of 5 minutes of streaming. You need to subscribe for Screencaster Premium in-app subscription to remove the limit.
~ Support streaming HEVC over RTMP via Enhanced RTMP spec to YouTube and other destinations with RTMP HEVC support
~ Support Zixi streaming protocol
~ Support WebRTC via WHIP signaling for streaming to Twitch and other WHIP-powered destinations 1.2.1 08/05/2023 ~ Support streaming HEVC over RTMP via Enhanced RTMP spec to YouTube and other destinations with RTMP HEVC support
~ Support WebRTC via WHIP signaling for streaming to Twitch and other WHIP-powered destinations 1.2.0 07/28/2023 Minor UI update 1.1.2 12/30/2022 Fixed SRT connection 1.1.1 12/26/2022 Added text/image overlays 1.1.0 12/21/2022 iOS 16 compatibility 1.0.22 09/15/2022 ~ libsrt 1.5.0
~ librist 0.2.7 1.0.20 07/13/2022 libsrt 1.5.0 1.0.19 07/05/2022 Minor fixes 1.0.18 06/14/2022 SRT library libsrt version 1.4.4 1.0.17 02/25/2022 Fixes for recording on old devices 1.0.16 11/16/2021 Audio menu added with Sample rate and Bitrate 1.0.15 10/01/2021 iOS15 compatibility update 1.0.14 09/24/2021 Fixes and improvements 1.0.13 07/20/2021 ~ libsrt 1.4.3
~ librist 0.2.0 1.0.12 06/30/2021 Minor fixes 1.0.11 04/27/2021 ~ Larix Grove supports Talkback and other improvements.
~ Publish via SRT Listen and Rendezvous modes, in addition to Push (Caller).
~ libsrt 1.4.2
~ librist v0.2.0-RC2 1.0.10 03/22/2021 ~ Larix Grove update, Export is added.
~ RIST Main and Simple profiles. 1.0.9 12/01/2020 RIST protocol Push mode support added. It's RIST Main Profile via libRIST version 3.0.0.
Use "rist://ipaddress:port" for new connection URL.
Let us know how this protocol works for your case by sending us a message via https://wmspanel.com/help 1.0.8 10/02/2020