Castr vs Streamlabs Multistream

Castr8.8Visit Streamlabs Multistream8.5Visit

Higher score Castr #5 in RTMP Streaming Services 8.8/10 7-day trial Free trial✓ 0 of 4 features Visit Castr

vs

Streamlabs Multistream #7 in RTMP Streaming Services 8.5/10 Free plan Free plan✓ 0 of 4 features Visit Streamlabs

• Castr fits best

  Production-grade 4K multistreaming

• Streamlabs Multistream fits best

  Streamlabs users needing multistreaming

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Side by side

Feature	Castr 8.8/10 Visit ↗	Streamlabs Multistream 8.5/10 Visit ↗
At a glance
Editor score	8.8	8.5
Ranking	#5 in RTMP Streaming Services	#7 in RTMP Streaming Services
Best for	Production-grade 4K multistreaming	Streamlabs users needing multistreaming
Pricing model	Paid	Free plan + paid
Starting price	$199.99/yr	$179/yr
Free plan	—	✓ (best)
Free trial	7 days	—
Deployment	Cloud	Cloud, Desktop, Mobile
Platforms	Web	Web, Windows, macOS, iOS, Android
Support	Live chat, Docs · 24/7	Email, Community, Docs · 24/7
Integrations	30+ integrations	9 integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market
Features Castr 0/4 · Streamlabs Multistream 0/4
SRT ingest	Not checked yet	Not checked yet
Transcoding	Not checked yet	Not checked yet
Stream recording	Not checked yet	Not checked yet
API access	Not checked yet	Not checked yet
Specs
Max destinations	6 destinations	Not checked yet
Output protocols	Not checked yet	Not checked yet
Our review
Pros	Supports RTMP, RTMPS, SRT, WHIP, and pull-based ingest Combines multistreaming, browser production, scheduling, and looping Adds recording, Live-to-VOD, paywalls, analytics, and 4K transcoding	Free Dual Output supports one horizontal and one vertical destination Ultra adds multistreaming, custom RTMP, and premium creator tools Works across desktop, mobile, web, OBS, and major social platforms
Cons	No free plan; the trial lasts 7 days Advanced controls require higher-priced plans Some annual plan prices are not shown	Broader multistreaming requires the Ultra plan Cloud forwarding depends on Streamlabs processing the stream Destination and live output limits are not detailed on the product page
Our verdict	Castr is a web and API video platform for production agencies, media operators, organizations, and event teams. It accepts RTMP, RTMPS, SRT, WHIP, and pull-based ingest, then distributes broadcasts to YouTube, Facebook, LinkedIn, Twitch,… Read the review →	Streamlabs Multistream is a cloud-based live-stream distribution feature for creators who want to send one stream to multiple destinations. It supports YouTube, Twitch, TikTok, Kick, Facebook, Instagram, Patreon, X, and custom RTMP… Read the review →

Strengths and trade-offs

• Castr — where it wins

  • Supports RTMP, RTMPS, SRT, WHIP, and pull-based ingest
  • Combines multistreaming, browser production, scheduling, and looping
  • Adds recording, Live-to-VOD, paywalls, analytics, and 4K transcoding

  Where it doesn't

  • No free plan; the trial lasts 7 days
  • Advanced controls require higher-priced plans
  • Some annual plan prices are not shown

• Streamlabs Multistream — where it wins

  • Free Dual Output supports one horizontal and one vertical destination
  • Ultra adds multistreaming, custom RTMP, and premium creator tools
  • Works across desktop, mobile, web, OBS, and major social platforms

  Where it doesn't

  • Broader multistreaming requires the Ultra plan
  • Cloud forwarding depends on Streamlabs processing the stream
  • Destination and live output limits are not detailed on the product page

• Castr8.8/10 · 7-day trial

  A broad RTMP platform for teams that need 4K, multistreaming, and video monetization.

  Visit CastrFull verdict →
• Streamlabs Multistream8.5/10 · Free plan

  A flexible multistreaming service for Streamlabs creators working across horizontal and vertical channels.

  Visit StreamlabsFull verdict →