FullStory vs PostHog: Which Product Analytics Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction — side by side, with no marketing spin.
The Short Answer
FullStory vs PostHog, in 15 seconds
Choose FullStory if…
- You depend on a broad integration ecosystem
- You want deeper AI and automation features
- You have strict security & compliance needs
- You need the broader feature set
Choose PostHog if…
- You want the lower entry price
- You need a genuinely free plan
Head-to-Head Scorecard
How FullStory and PostHog score
FullStory leads on 5 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
FullStoryNo reviewsPostHogNo reviews - Even
Review Volume
Number of verified reviews — a proxy for adoption
FullStory0PostHog0 - PostHog
Entry Pricing
Lowest published starting price (free plan = lowest)
FullStoryCustomPostHog$0/mo - PostHog
Free Access
Availability of a free plan and/or free trial
FullStoryFree trialPostHogFree plan + trial - FullStory
Integrations
Number of listed third-party integrations
FullStory10PostHog8 - FullStory
Features
Number of listed product capabilities
FullStory12PostHog11 - FullStory
AI Features
Capabilities mentioning AI, automation or ML
FullStory1PostHog— - FullStory
Security & Compliance
Number of listed compliance certifications
FullStory5PostHog4 - FullStory
Platforms & Deployment
Supported platforms and deployment options
FullStory5PostHog3
Feature Comparison
FullStory vs PostHog feature breakdown
Search or filter the full feature matrix — core features, AI, integrations, APIs, security and compliance.
PostHogPricing Comparison
FullStory vs PostHog pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
FullStory
Custom to start- Session replay
- Autocapture
- Frustration signals
- Funnels and heatmaps
- Everything in Business
- Advanced analytics
- Higher session volume
- Advanced integrations
- Highest session volume
- Mobile app analytics
- Data governance
- SSO and security
PostHog
$0/mo to start- 1M events/month free
- 5K session replays/month
- 1M feature-flag requests/month
- Unlimited team members
- Only pay past free limits
- Analytics from ~$0.00005/event
- Replay per recording
- Flags per request
- SSO & SAML
- Advanced permissions
- Dedicated support
- Custom terms & SLAs
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
FullStory vs PostHog: strengths and trade-offs
FullStory
Pros
- Free trial offered
- Broad integration ecosystem (10)
- Compliance: SOC 2, ISO 27001, GDPR
- Stronger AI / automation features
- Public API available
Cons
- No free plan
- Pricing is quote-based (less transparent)
PostHog
Pros
- Free plan available
- Free trial offered
- Compliance: SOC 2 Type II, ISO 27001, GDPR
- Public API available
Cons
- Fewer native integrations than the alternative
Buyer Fit
Who should use FullStory vs PostHog?
Startups
PostHog
PostHog keeps early-stage costs lowest with its entry tier.
Small businesses
PostHog
PostHog offers the most accessible pricing for lean teams.
Agencies
FullStory
FullStory connects to more tools for multi-client workflows.
Enterprises
FullStory
FullStory leads on compliance and breadth for complex needs.
Ecommerce
FullStory
FullStory integrates with more of the commerce stack.
SaaS companies
FullStory
FullStory is the more developer- and automation-friendly choice.
Integration overlap
Shared integrations (4)
Only in FullStory (6)
Only in PostHog (4)
Keep Exploring
Other alternatives worth considering
Similar product analytics products buyers compare alongside FullStory and PostHog.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs FullStory and PostHog against your team size, budget, integrations and compliance needs — then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationFullStory vs PostHog — Frequently Asked Questions
What is the difference between FullStory and PostHog?
FullStory and PostHog are both Product Analytics solutions. FullStory is rated 0.0/5 by 0 users, while PostHog is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, FullStory or PostHog?
Based on user ratings, FullStory scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, FullStory or PostHog?
PostHog is the more affordable option, starting at $0/month.
Does FullStory or PostHog have a free plan?
PostHog offers a free plan. FullStory does not have a free tier but does offer a free trial.
Can I switch from FullStory to PostHog?
Switching between FullStory and PostHog is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use FullStory vs PostHog?
FullStory is best suited for teams that prioritise enterprise features. PostHog works well for teams looking to start free and scale.
Our Verdict
The bottom line on FullStory vs PostHog
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
PostHog
PostHog has the friendliest entry point for new teams.
Best for Enterprise
FullStory
FullStory leads on compliance and feature breadth.
Best Value
PostHog
PostHog delivers the lowest cost to get started.
Best AI Features
FullStory
FullStory ships more AI and automation.
Highest Rated
Either
Both earn equal user ratings.