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Mozilla Firefox vs PostHog

Mozilla Firefox logo

Mozilla Firefox

Technology

Fast, private & safe web browser

From
Free
Rated
-
Full reviewWebsite
PostHog logo

PostHog

Technology

The single platform to analyze, test, observe, and deploy new features

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Mozilla Firefox no longer supported on Windows 8.1 and earlier versions (users must use Firefox ESR); PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • They diverge on capability: Mozilla Firefox covers Enhanced tracking protection, PostHog covers Product analytics.

Where they differ

Only the attributes on which Mozilla Firefox and PostHog actually diverge.

Attributes where Mozilla Firefox and PostHog differ
AttributeMozilla FirefoxPostHog
Pricing modelUnknownusage-based
PlatformsWindows, macOS, Linux, iOS, AndroidWeb, Ios, Android, Api
Founded20042020

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Technology).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Mozilla Firefox

  • Enhanced tracking protection
  • Private browsing
  • Customizable interface
  • Add-ons support
  • Cross-device sync
  • Built-in screenshot tool
  • Reader mode
  • Picture-in-picture

Only in PostHog

  • Product analytics
  • Session recording
  • Feature flags
  • A/B testing
  • Heatmaps
  • SQL access
  • Data warehouse
  • Apps platform

What people use each for

The jobs each tool is most often brought in to do.

Mozilla Firefox

  • Open-source web browser with privacy-focused designnot PostHog
  • Automatic tracking protection and ad blocking (2000+ data trackers blocked by default)not PostHog
  • Private browsing mode for anonymous web sessionsnot PostHog
  • Built-in password managernot PostHog
  • Multi-platform synchronisation across devicesnot PostHog
  • Developer tools and debugging capabilities for web developmentnot PostHog

PostHog

  • Product analyticsnot Mozilla Firefox
  • Feature experimentationnot Mozilla Firefox
  • User behavior trackingnot Mozilla Firefox
  • A/B testingnot Mozilla Firefox
  • Debug production issuesnot Mozilla Firefox

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Mozilla Firefox

  • No longer supported on Windows 8.1 and earlier versions (users must use Firefox ESR)
  • No longer supported on macOS 10.14 and earlier versions (users must use Firefox ESR)

PostHog

  • The free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • Accounts without a card on file are limited to 1 project; adding one raises it to 6
  • Data retention is 1 year until a card is added, which extends it to 7 years
  • Support is community-only until the account is on a paid plan
  • Error tracking is capped at 100K exceptions and surveys at 1500 responses per month on the free tier

Pricing, plan by plan

Mozilla Firefox

Free

No published plan breakdown. See the Mozilla Firefox review.

PostHog

Free
  • FreeFree
    • 1M events/month
    • 5K sessions/month
    • Unlimited users
  • Paid$undefined/month
    • $0.00031/event
    • $0.005/session
    • Advanced permissions
  • Enterprise$undefined/month
    • SAML SSO
    • Advanced security
    • Dedicated support

Which should you pick?

Choose Mozilla Firefox if

  • You need enhanced tracking protection.
  • You want to start without paying.
  • You work on Windows, macOS, Linux, iOS, Android.
  • You also want private browsing.
Mozilla Firefox review

Choose PostHog if

  • You need product analytics.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want session recording.
PostHog review

Questions people ask

Is Mozilla Firefox or PostHog better?
Neither clearly leads. Mozilla Firefox starts at Free and PostHog at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mozilla Firefox or PostHog?
Mozilla Firefox starts at Free and PostHog at Free.
Does Mozilla Firefox or PostHog run on more platforms?
Mozilla Firefox runs on Windows, macOS, Linux, iOS, Android. PostHog runs on Web, Ios, Android, Api.
Can I use Mozilla Firefox for free?
Both have a free tier, so you can try either at no cost before committing.
What is Mozilla Firefox best used for?
Mozilla Firefox is most often used for open-source web browser with privacy-focused design, automatic tracking protection and ad blocking (2000+ data trackers blocked by default), private browsing mode for anonymous web sessions, built-in password manager. Of those, open-source web browser with privacy-focused design and automatic tracking protection and ad blocking (2000+ data trackers blocked by default) are not what PostHog is typically brought in for.
What can Mozilla Firefox do that PostHog cannot?
Mozilla Firefox covers Enhanced tracking protection, Private browsing, Customizable interface, Add-ons support. PostHog covers Product analytics, Session recording, Feature flags, A/B testing.

Answered from the vendors’ own pages

Mozilla Firefox: How much does Firefox cost?

Firefox is free to download and use. No pricing tiers, subscriptions, or payment plans are offered for the standard browser.

Source
PostHog: What does PostHog's free tier include per month?

PostHog free tier includes: 1M analytics events, 5K session replays, 1M feature flag requests, 100K error tracking exceptions, 1,500 survey responses, 1M data warehouse rows, 10K data pipeline events, 100K AI observability events, 500 PostHog AI credits, 10K workflow messages, and 10GB log ingestion. Source: https://posthog.com/pricing

Source
PostHog: How much data retention does PostHog provide on paid plans?

PostHog free tier provides 1-year data retention. Pay-as-you-go plans offer 7-year data retention across all projects, enabling longer historical analysis. Source: https://posthog.com/pricing

Source
PostHog: What percentage of PostHog users stay on the free tier?

PostHog states that 97% of companies use PostHog for free, indicating extensive free tier adoption. However, specific per-unit pricing rates for overages on paid plans are not published. Source: https://posthog.com/pricing

Source
PostHog: When does PostHog provide priority support on paid plans?

PostHog provides email or Slack support for accounts exceeding $2,000/month on pay-as-you-go plans. Specific response times and support SLAs are not detailed on their pricing page. Source: https://posthog.com/pricing

Source
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