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Comparison

Sendbird vs CometChat

Sendbird and CometChat both land on Depends.

Sendbird versus CometChat
CompareSendbirdCometChat
VerdictDependsDepends
Best forApps embedding in-app chat at scaleApps where chat is the core product
Who it's not forMVPs and hobby projects . heavy SDK, sales-led pricingSolo founders needing a basic chat widget by Friday
PrivacyPublic security program (security docs, ISO mentions, vulnerability submission form); a few third-party package flags exist.⁹Active vulnerability disclosure program and compliance efforts, but a 2026 stored-XSS CVE affected the JS SDK and a React UI kit was flagged high-severity.
Support qualityNo usable evidence in sourcesReview base too thin to judge
Public sentimentUsers average 4.5/5 on G2 and generally praise the chat APIs, while some developers criticize pricing and prefer rivals' documentation.¹Third-party reviews are sparse: G2 names it a High Performer with mostly positive feedback, while at-scale pricing draws the loudest criticism.16
Biggest gotchaMalicious-package flags exist for Sendbird-related npm packages . verify official SDKs only.⁹Patch the JS SDK and UI kits promptly . a stored-XSS CVE was disclosed in 2026

Pick Sendbird when

  • Apps embedding in-app chat at scale
  • Enterprises adding AI support agents
  • Teams wanting chat + voice via one SDK
  • Funded startups with dedicated engineers

When Sendbird is not a fit

  • MVPs and hobby projects . heavy SDK, sales-led pricing
  • No-code or small teams without developers
  • Anyone needing just a simple live-chat widget
  • Cost-sensitive teams at high MAU . rivals undercut

Pick CometChat when

  • Apps where chat is the core product
  • Marketplaces, dating, and community apps
  • Dev teams wanting chat, calling, and moderation in one SDK
  • Regulated teams needing self-hosted chat (CometChat Air)

When CometChat is not a fit

  • Solo founders needing a basic chat widget by Friday
  • Non-technical teams . this is an SDK, not plug-and-play
  • Anyone without budget headroom for per-MAU growth costs
  • Apps where chat is a nice-to-have, not the product

Sources

  1. Sendbird Reviews 2026: Details, Pricing, & Featuresg2.com
    review
  2. Sendbird Pricing (2026): A Complete Breakdowncometchat.com
    review
  3. Chat API pricing planssendbird.com
    official
  4. Sendbird's Starter plan for 25K MAUgetstream.io
    review
  5. Sendbird pricing: What you need to knowably.com
    review
  6. Sendbird raises $100M at a $1B+ valuationtechcrunch.com
    news
  7. Looking for in-app Chat SDK recommendationsreddit.com
    review
  8. Reddit's new chat is based on Matrixreddit.com
    news
  9. Malicious Package in com.sendbird.callssecurity.snyk.io
    security
  10. Malicious Code In Sendbird-moderation-dashboardsca.analysiscenter.veracode.com
    security
  11. The Untold SendBird Misconfigurationsmedium.com
    security
  12. Sendbird customer storiessendbird.com
    official
  13. CometChat Pricingcometchat.com
    official
  14. CometChat: In-app Chat SDK & APIcometchat.com
    official
  15. CometChat Air . Self-hosted enterprise messagingcometchat.com
    official
  16. CometChat Reviews . G2g2.com
    review