Castr
Worth it
Confidence: Medium
Buy if you regularly stream, simulcast, or run a monetized OTT channel . 4.8/5 G2 rating and entry pricing from $19.99/mo.
Comparison
Castr lands on Worth it, and Wowza lands on Depends.
Buy if you regularly stream, simulcast, or run a monetized OTT channel . 4.8/5 G2 rating and entry pricing from $19.99/mo.
Buy if you're an engineering team needing self-managed, deploy-anywhere streaming infrastructure.
| Compare | Castr | Wowza |
|---|---|---|
| Verdict | Worth it | Depends |
| Best for | Production agencies streaming live events | Broadcasters needing on-prem or air-gapped streaming |
| Who it's not for | Casual streamers . no free tier anymore | Small teams streaming occasional webinars |
| Privacy | No known public vulnerabilities found in the sources reviewed.⁹ | Real CVE history including a 2024 RCE . all Rapid7-disclosed flaws fixed in v4.9; patch discipline required.16 |
| Support quality | Only official 24/7 claim; no user evidence | Solid reputation, but premium support is a paid add-on |
| Public sentiment | Users consistently praise easy simulcasting and reliability, with main complaints being the removed free tier and pricing versus simpler tools.¹ | Reviewers call Wowza solid, capable streaming infrastructure, but a steady stream of sysadmins and self-hosters hunt for cheaper or simpler alternatives.13 |
| Biggest gotcha | Free tier was removed . cheapest entry is paid-only now⁶ | Streaming Engine had 2024 RCE and path traversal CVEs . run v4.9+ or you're exposed15 |