Aitum Multistream

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Overview

Aitum Multistream is an OBS Studio plugin that enables simultaneous streaming to multiple platforms such as Twitch, YouTube, TikTok, Kick, and Facebook directly from a single OBS instance. It supports separate resolutions, audio tracks, and canvases for horizontal and vertical streams without relying on third-party servers. The plugin targets streamers seeking a local multistreaming solution integrated into their OBS workflow.

Key Features

  • Multi-platform Streaming - Streams to Twitch, YouTube, TikTok, Kick, Facebook and others simultaneously from one OBS instance.
  • Custom Resolutions per Platform - Sets different resolutions for each output, such as 4K to YouTube and 720p to Twitch.
  • Separate Audio Tracks - Sends distinct audio tracks to different platforms.
  • Vertical and Horizontal Canvases - Manages side-by-side vertical streams for TikTok/Shorts and horizontal for landscape platforms.
  • Stream Key Integration - Directly inputs stream keys for each platform with provided links for retrieval.
  • Built-in OBS Outputs - Combines with OBS's native streaming alongside additional multi-outputs.
  • One-Click Go Live - Activates selected platforms via dock interface without manual starting per service.

Pricing

PlanPriceIncludes
FreeFreeUnlimited multistreaming to all supported platforms with no usage limits.

Platforms & Requirements

Runs as a plugin within OBS Studio on Windows, macOS, and Linux. Requires OBS Studio 28+ and a capable PC for encoding multiple streams. Source code available on GitHub for custom builds.

Integrations & Ecosystem

  • OBS Studio
  • Twitch
  • YouTube
  • TikTok LIVE
  • Kick
  • Facebook Live
  • Instagram Live
  • Aitum Vertical

Alternatives

AppDifference
SE.LiveCloud-based multistreaming service with additional chat integration, requires account and has usage limits on free tier.
Restream.ioWeb-based service supporting more platforms and chat aggregation, but involves subscription fees and cloud relay.
Streamlabs Multi-StreamIntegrated into Streamlabs Desktop with built-in alerts, limited to fewer simultaneous streams on free plan.
CastrProfessional cloud platform with recording and scheduling, higher cost for multi-stream features.

Reputation

Aitum Multistream is praised in streaming communities for being free, lightweight, and eliminating third-party fees or cloud dependencies. Users highlight its ease of setup and performance on high-end PCs for vertical/horizontal multistreaming. Some report higher CPU usage with many simultaneous streams and occasional platform-specific stream key issues.

Sources (8)
  1. https://www.youtube.com/watch?v=lgcwYqRt4xY
  2. https://www.nearstream.us/blog/how-to-use-aitum-multistream-obs-plugin
  3. https://obsproject.com/forum/threads/aitum-multistream.177932/
  4. https://www.youtube.com/watch?v=6V-ZfQ6lbw8
  5. https://www.youtube.com/watch?v=R3qRlnJq_C8
  6. https://www.youtube.com/watch?v=7nWGE11CRPs
  7. https://github.com/Aitum/obs-aitum-multistream
  8. https://app.aitum.help/getting-started