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Isso vs Utterances

Compare Isso and Utterances to find the best tool for your needs.

I

Isso

Self-hosted commenting server that's lightweight and privacy-focused.

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VS
U

Utterances

Lightweight commenting system using GitHub issues, perfect for developer blogs and technical sites.

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Quick overview

Pricing

Free (self-hosted open source)
Free (open source)

Pros & Cons

Isso

Pros

  • Complete control and data ownership
  • No external dependencies
  • Lightweight implementation
  • Privacy-focused

Cons

  • Requires server setup and maintenance
  • More technical to implement
  • Limited features compared to hosted solutions
  • Smaller community for support

Utterances

Pros

  • Completely free with no ads
  • Uses GitHub issues for storage
  • Markdown support
  • Very lightweight

Cons

  • Requires commenters to have GitHub accounts
  • Only suitable for technical audiences
  • Limited styling and customization
  • No built-in moderation tools
Visit Isso website
Visit Utterances website