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Technology · head to head

Lucidchart vs PostHog

Lucidchart logo

Lucidchart

Technology

Intelligent diagramming for every team

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: Lucidchart interface can overwhelm new users due to extensive features and customization options; 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: Lucidchart covers Flowcharts & diagrams, PostHog covers Product analytics.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Lucidchart and PostHog actually diverge.

Attributes where Lucidchart and PostHog differ
AttributeLucidchartPostHog
Pricing modelUnknownusage-based
PlatformsWeb, Desktop, macOS, WindowsWeb, Ios, Android, Api
Founded20102020

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 Lucidchart

  • Flowcharts & diagrams
  • Process mapping
  • Mind maps
  • Wireframes & mockups
  • Network diagrams
  • Data visualization
  • Real-time collaboration
  • Presentation mode

Only in PostHog

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

Both cover

  • Slack
  • GitHub
  • SOC2
  • GDPR
  • HIPAA

What people use each for

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

Lucidchart

  • Process documentationnot PostHog
  • System architecturenot PostHog
  • Workflow designnot PostHog
  • Brainstormingnot PostHog
  • Technical documentationnot PostHog

PostHog

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

Where each one falls short

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

Lucidchart

  • Interface can overwhelm new users due to extensive features and customization options
  • Drag-and-drop canvas can feel clunky compared to modern whiteboard tools like Miro

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

Lucidchart

Free
  • FreeFree
    • 3 documents
    • 60 shapes
    • Basic templates
  • Individual$7.95/month
    • Unlimited documents
    • Advanced templates
    • Cloud storage
  • Team$9/editor/month
    • Real-time collaboration
    • Team management
    • All integrations
  • Enterprise$undefined/custom
    • Advanced security
    • SSO
    • Dedicated support

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 Lucidchart if

  • You need flowcharts & diagrams.
  • You want to start without paying.
  • You work on Web, Desktop, macOS, Windows.
  • You also want process mapping.
Lucidchart 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 Lucidchart or PostHog better?
Neither clearly leads. Lucidchart 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, Lucidchart or PostHog?
Lucidchart starts at Free and PostHog at Free.
Does Lucidchart or PostHog run on more platforms?
Lucidchart runs on Web, Desktop, macOS, Windows. PostHog runs on Web, Ios, Android, Api.
Can I use Lucidchart for free?
Both have a free tier, so you can try either at no cost before committing.
What is Lucidchart best used for?
Lucidchart is most often used for process documentation, system architecture, workflow design, brainstorming. Of those, process documentation and system architecture are not what PostHog is typically brought in for.
What can Lucidchart do that PostHog cannot?
Lucidchart covers Flowcharts & diagrams, Process mapping, Mind maps, Wireframes & mockups. PostHog covers Product analytics, Session recording, Feature flags, A/B testing. Both handle Slack, GitHub, SOC2, GDPR.

Answered from the vendors’ own pages

Lucidchart: What pricing plans does Lucidchart offer?

Lucidchart has a free plan (3 documents, 60 shapes), Individual plan ($7.95/month), Team plan ($9/editor/month), and Enterprise with custom pricing.

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
Lucidchart: Can I use Lucidchart offline?

Lucidchart is a cloud-based platform, but offers an offline desktop option for users who need to work without internet access.

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
Lucidchart: What compliance certifications does Lucidchart have?

Lucidchart provides SOC 2 Type II, FedRAMP, HIPAA BAA, and GDPR compliance, making it suitable for regulated industries.

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
Lucidchart: Does Lucidchart have AI diagram generation?

Yes, Lucidchart uses AI to auto-generate flowcharts, UML diagrams, ER diagrams, and org charts from text prompts, Excel data, CSV files, code snippets, or database schemas.

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
Lucidchart: What integrations does Lucidchart support?

Lucidchart integrates with Microsoft Teams, Slack, Jira, Confluence, Google Workspace, and Salesforce for seamless workflow integration.

Source
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