vioscaleAI
Comparison

Castr vs MediaMTX

On the evidence we track, Castr leads this comparison with a composite score of 73/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Castr full profile →MediaMTX full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Castr73
MediaMTX52
Score
vioscaleAI score
Castr73 / 100medium · 59%
MediaMTX52 / 100medium · 56%
Pricing
Free tier
Castr✓
MediaMTX✓
Model
Castrfreemium
MediaMTXopen_source
Price level
Castrmid
MediaMTXfree
Starting price
Castr$19.99
MediaMTX–
Transparent
Castr✓
MediaMTX✓
Integrations
Count
Castr30
MediaMTX–
Security
Gdpr
Castr✓
MediaMTX–
Trust center
Vulnerabilities
Reliability
Sla pct
Castr99.9
MediaMTX–
Status page
Castr✓
MediaMTX–
Adoption
Dependent repos
Castr–
MediaMTX0
Github stars
Castr–
MediaMTX20,386
Activity
Commits last 30d
Castr–
MediaMTX58
Release
Cadence days
Castr–
MediaMTX15
History
Castr–
MediaMTX20 items
License
Spdx
Castr–
MediaMTXMIT
Language
Primary
Castr–
MediaMTXGo
Market
Availability
CastrAvailable worldwide
MediaMTX–
Content
Faq
Castr6 items
MediaMTX5 items

Capabilities

Feature-by-feature on the axes that matter for live streaming. “-” means undocumented, not absent.

Capabilities
Architecture model
CastrBrowser cloud studio
MediaMTXOpen source local encoder
Simulcast multi destination rtmp output hub
Castr✓
MediaMTX✓
Remote guest browser invites for interviews webrtc
Castr-
MediaMTX-
Custom lower thirds graphics and brand overlays
Castr-
MediaMTX-
ISO track recording for isolated guest audio video
Castr-
MediaMTX-
Hardware encoding acceleration nvenc quicksync
Castr-
MediaMTX-
Srt secure reliable transport protocol support
Castr✓
MediaMTX✓
Multi network unified aggregated chat feed
Castr-
MediaMTX-
Chroma key green screen and virtual backgrounds
Castr-
MediaMTX-
Ndi network device interface feed ingestion
Castr-
MediaMTX-
SOC2 type ii
Castr-
MediaMTX-
Gpl or permissive oss license
Castr-
MediaMTX✓
Pricing model
CastrFlat monthly subscription
MediaMTXFree open source

What each one is

The product in its own terms, so the numbers below have context.

Castr

Leader

Castr provides live streaming delivery with multistreaming to multiple destinations, video hosting, live-to-VOD conversion, and branded OTT platform features. All plans include a paywall, ad insertion support, and multi-CDN delivery backed by a 99.9% uptime SLA.

Independently observed

MediaMTX

A streamlined live media server and proxy with zero dependencies that publishes, receives, proxies, records, and plays back real-time video and audio streams. It automatically converts streams between different protocols and formats, designed for efficient routing with cross-platform support.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Castr

Leader
from $19.99/moSubscriptionFree tier7-day trial

From $19.99/mo or $199.99/year. Starter includes 7-day free trial. All plans month-to-month, optional annual billing saves 2 months.

  • Starter$19.99/mo or $199.99/year with 7-day free trial
    • Multiple ingest protocols
    • SRT support
    • Embedded player
    • Video analytics
    • Cloud recording
    • +1 more
  • Simulcast$499.99/year
    • SRT/RTMP pull links
    • Multi-destination support
    • Ad support
  • Professional$199.99/mo or $1,999.99/year
    • Adaptive bitrate
    • Custom transcoding
    • API access
    • Three team members included
    • Access controls
  • Enterprise$3,499.99/year
    • Low-latency playback
    • HLS for VOD
    • Dedicated support on annual billing
    • Failover support
    • Advanced playout
  • OTT Platform$7,499.99/year
    • Branded web app included
    • CMS included
    • SVOD support
    • TVOD support
    • 30+ payment gateways
    • +1 more
as of verify ↗

MediaMTX

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Castr✓
MediaMTX✗
iOS
Castr✓
MediaMTX✗
Android
Castr✓
MediaMTX✗
macOS
Castr✗
MediaMTX✓
Windows
Castr✗
MediaMTX✓
Linux
Castr✗
MediaMTX✓
CLI
Castr✗
MediaMTX✓
Deployment
Cloud / SaaS
Castr✓
MediaMTX✗
Self-hosted
Castr✗
MediaMTX✓
On-premise
Castr✗
MediaMTX✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Castr

Leader
6 total
  • Wirecast
  • YouTube
  • Facebook
  • LinkedIn
  • Twitch
  • Payment Gateways
Independently observed

MediaMTX

Not documented yet.

Still deciding?

Castr or MediaMTX: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.