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FastComments

Developer tools ยท fastcomments.com

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FastComments is a live commenting system for websites and apps, with realtime moderation built in. It also offers streaming chat, polls inside comments, image chat and a REST API with SDKs. Site owners, publishers and app developers use it to host discussion on their pages and moderate it from one live queue.

Facts at a glance

FactValueSource
Free trial30 days, no card requiredfastcomments.com, checked 5 Nov 2026
PlatformsWeb, APIfastcomments.com, checked 5 Nov 2026

Pricing & plans

Model

Paid

Trial

Yes

30 days, no card required

  • One usage-based plan with no flat fee: $10 per site after the first, $1 per 100,000 page loads, $1 per 100,000 comments stored

  • The home page says most sites pay $0.99 a month

Source: fastcomments.com, checked 5 Nov 2026

Features & platforms

  • Live commenting widget for any page or app

  • Streaming chat

  • Live polls inside comments

  • Image chat and collaboration chat on static documents

  • Realtime moderation queue with keyboard shortcuts and undo

  • Single sign-on for existing user accounts

  • REST API and SDKs for managing users and comments

  • Migration from other commenting providers

  • Web
  • API

Sources: fastcomments.com, checked 5 Nov 2026

Alternatives

  • Hyvor Talk

    Bills by credits per action, with one credit per comment and 1,000 free spam checks in the allowance.

    hyvor.com/talk

  • giscus

    Open source and always free, with comments stored in GitHub Discussions instead of a separate database.

    giscus.app

  • Remark42

    Can be self-hosted as a lightweight comment engine, with social login through providers such as Google and Facebook.

    remark42.com

Sources: hyvor.com/talk/pricing, giscus.app, remark42.com

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Sources and dates

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