Onfido vs PostHog Comparison
Detailed comparison of features, pricing, and capabilities
Last updated April 4, 2026
Overview
Compare key metrics and features at a glance
Onfido
https://onfido.com
Onfido is an identity verification and authentication platform that helps businesses verify people's identities using document verification, biometric verification, and background checks. The company uses AI and machine learning to verify government IDs and match them to facial biometrics, enabling businesses to onboard customers remotely while preventing fraud and maintaining regulatory compliance.
PostHog
https://posthog.com
PostHog is an open-source product analytics platform that helps companies understand user behavior. It provides features like event tracking, session recording, feature flags, and A/B testing, allowing teams to self-host their analytics infrastructure and maintain complete data control. The platform is designed to be a privacy-focused alternative to traditional product analytics tools.
Quick Comparison
| Detail | Onfido | PostHog |
|---|---|---|
| Category | Identity Verification | Cookieless Analytics |
| Starting Price | Free | Free |
| Plans Available | 1 | 3 |
| Features Tracked | 1 | 18 |
| Founded | 2012 | 2020 |
| Headquarters | London, UK | San Francisco, USA |
Features
Detailed feature-by-feature comparison
Feature Comparison
| Feature | | |
|---|---|---|
| compliance | ||
| Consent Management Integration | ||
| GDPR Compliance Support | ||
| IP Data Capture Control | ||
| PostHog Cloud EU | Add-on | |
| Top-Level Opt Out | ||
| core | ||
| Autocapture Configuration | ||
| Biometric Verification | ||
| Cookieless Mode (Always) | ||
| Cookieless Mode (On Reject) | ||
| Event Data Filtering | ||
| Feature Flags | ||
| Local Storage Persistence | ||
| Memory-Only Persistence | ||
| Open Source | ||
| Session Replay | ||
| Surveys | ||
| User Identification Management | ||
| security | ||
| Privacy-Preserving User Hashing | ||
| Sensitive Data Masking | ||
Pricing
Compare pricing plans and value for money
Onfido
From $0/mo
Price Components
- document_check: $2/check
- facial_similarity_check: $1/check
Best For
Fintech and mobility platforms onboarding global users needing fast AI-driven biometric and document verification with strong compliance.
PostHog
From $0/mo
Price Components
- base_fee: $0/month
- Product Analytics Events: $0/event (1000000 included)
- Product Analytics Events: $0.00005/event
- Product Analytics Events: $0.0000343/event
- Session Replay: $0/recording (5000 included)
Best For
Engineering-led product teams and startups needing a self-hostable, privacy-first all-in-one analytics suite with cookieless tracking, session replay, and experimentation tools.
Integrations
See which third-party services are supported
Supported Integrations
Coming Soon
Integration comparison data for Onfido, PostHog is being collected and will be available soon.
Strengths & Limitations
Key strengths and limitations of each service
Onfido
Fintech and mobility platforms onboarding global users needing fast AI-driven biometric and document verification with strong compliance.
- Supports thousands of government-issued documents across 195 countries with AI-powered data extraction and security checks.
- Advanced liveness detection distinguishes real users from photos, videos, or masks via movements or 3D analysis.
- Atlas AI with over 10,000 micromodels processes 95% of checks in under 10 seconds, boosting fraud accuracy by 54%.
- ISO 27001 certified and fully compliant with GDPR, CCPA, featuring end-to-end encryption for biometric data.
- Narrower document coverage at ~2,500 types versus competitors like Veriff's 13,500, limiting some global reach.
- Lacks bank account verification and unified fraud signals like device fingerprinting found in platforms such as SEON or Signzy.
- Biometric verifications take up to 10 seconds, slower than rivals delivering 1-second responses.
PostHog
Engineering-led product teams and startups needing a self-hostable, privacy-first all-in-one analytics suite with cookieless tracking, session replay, and experimentation tools.
- All-in-one platform bundles cookieless analytics with session replay, feature flags, and A/B testing, replacing multiple tools like FullStory and LaunchDarkly.
- Generous free tier up to 1M events/month with usage-based pay-as-you-go pricing, scaling transparently without fixed costs.
- Open-source and self-hostable with EU cloud hosting, cookieless modes (Always/On Reject), and HIPAA-ready compliance for full data control.
- Privacy-preserving server-side hashing and autocapture enable high-fidelity tracking without cookie banners or PII storage.
- Self-hosting is complex, resource-heavy (4x RAM of simpler tools), and lacks feature parity with cloud version.
- Overwhelming interface with extensive features that most teams won't fully utilize.
- No native ad platform integrations like Google Ads, unlike GA4.
Company Info
Company details and background
Onfido
PostHog
Comparison FAQ
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