Amplitude vs PostHog - Detailed Comparison 2026
PostHog is rated slightly higher on SAASAF.AI (4.5/5 vs 4.4/5). Amplitude starts at $49/month and has a free tier. PostHog has a free tier, with paid plans listed on its website.
Which Is Better, Amplitude or PostHog?
Amplitude and PostHog are rated very closely, with Amplitude at 4.4/5 and PostHog at 4.5/5, indicating both are well-regarded by users. When it comes to features, Amplitude offers 6 capabilities while PostHog provides 6, with both sharing core functionality like Event Tracking, Session Replay. Amplitude differentiates with Funnels and Cohorts, while PostHog stands out with Feature Flags and A B Testing. On pricing, PostHog is the more budget-friendly option at $0/month compared to Amplitude at $49/month, though both offer free tiers for users who want to try before committing. Both Amplitude and PostHog are AI-powered, making them strong choices for users who want intelligent automation.
At a Glance
PostHog
Open-source product analytics, session replay, and feature flags
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Visit PostHogFull Side-by-Side Comparison
| Criteria | Amplitude | PostHog |
|---|---|---|
| Rating | 4.4/5 | 4.5/5 |
| Pricing Model | Freemium | Freemium |
| Starting Price | $[object Object] | $[object Object] |
| Free Tier | Yes | Yes |
| AI-Powered | Yes | Yes |
| AI Model | proprietary | proprietary |
| Platforms | web | web |
| Founded | 2012 | 2020 |
| Company Size | 501-1000 | 51-200 |
| Integrations | 5+ | 5+ |
| Affiliate Program | No | No |
| A B Testing | ✗ | ✓ |
| Cdp | ✓ | ✗ |
| Cohorts | ✓ | ✗ |
| Data Warehouse | ✗ | ✓ |
| Event Tracking | ✓ | ✓ |
| Experimentation | ✓ | ✗ |
| Feature Flags | ✗ | ✓ |
| Funnels | ✓ | ✗ |
| Session Replay | ✓ | ✓ |
| Surveys | ✗ | ✓ |
How Much Do Amplitude and PostHog Cost?
Amplitude Pricing
Freemium
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Free tier available
Billed monthly
Amplitude offers a freemium pricing model starting at $49/month. A free tier is available with limited features.
PostHog Pricing
Freemium
$[object Object]
Free tier available
Billed monthly
PostHog offers a freemium pricing model starting at $0/month. A free tier is available with limited features.
Pros and Cons
Amplitude Pros
- Deepest cohorting and behavioral analysis in the category
- Free tier covers up to 10M events per month
- Built-in experimentation removes need for separate A/B tool
- Ask Amplitude enables natural-language data queries
- Strong CDP integration syncs cohorts to ad and email tools
Amplitude Cons
- Pricing scales steeply for advanced features
- Steeper learning curve than Mixpanel
- Implementation requires careful taxonomy and instrumentation
- Smaller marketer adoption versus GA4
PostHog Pros
- Open-source with optional self-hosting
- Bundles analytics, replay, feature flags, and experiments
- Generous free tier across every product
- Developer-first culture with strong API
- LLM Observability for AI app developers
PostHog Cons
- Self-hosting requires real ops work
- UI density has a steeper learning curve than Mixpanel
- Some products less mature than category leaders
- Pricing math can surprise high-volume teams
Who Should Choose Which?
Choose Amplitude if...
Best for: Amplitude is best for product-led growth SaaS companies and consumer apps that need advanced behavioral analysis and experimentation. PM teams at scale benefit most from cohorting and Compass.
- You need Product Analytics
- You need Conversion Optimization
- You need Growth Analytics
- You need User Behavior
Ideal for: smb, mid-market, enterprise
Industries: technology, finance, media
Choose PostHog if...
Best for: PostHog is best for engineering-led startups and SaaS companies who want one tool for analytics, feature flags, and session replay. Teams that value open source and self-hosting benefit most.
- You need Product Analytics
- You need Feature Management
- You need Conversion Optimization
Ideal for: smb, mid-market, enterprise
Industries: technology
Platform Availability
Amplitude
Web-based application accessible via any browser. No dedicated desktop or mobile apps are currently offered.
PostHog
Web-based application accessible via any browser. No dedicated desktop or mobile apps are currently offered.
Get Started with PostHog
Open-source product analytics, session replay, and feature flags
Visit PostHogExplore More
Tool Profiles
Alternatives
Categories
Use Cases
- Product Analytics
- Conversion Optimization
- Growth Analytics
- User Behavior
- Feature Management
Amplitude vs PostHog: Frequently Asked Questions
Is Amplitude or PostHog better?
PostHog is rated slightly higher on SAASAF.AI, at 4.5/5 versus 4.4/5 for Amplitude, but the better pick depends on your use case. Amplitude is best for product-led growth SaaS companies and consumer apps that need advanced behavioral analysis and experimentation. PostHog is best for engineering-led startups and SaaS companies who want one tool for analytics, feature flags, and session replay.
How does Amplitude pricing compare to PostHog?
Amplitude starts at $49/month and has a free tier, while PostHog has a free tier, with paid plans listed on its website. Both offer a free tier. Listed figures are starting prices; seats, usage and add-ons can change the final bill.
What is the difference between Amplitude and PostHog?
Amplitude is a digital analytics platform that provides deep product analytics, experimentation, and customer data management. PostHog is an open-source product analytics suite that includes event tracking, session replay, feature flags, A/B testing, and a data warehouse. Amplitude lists features such as Funnels, Cohorts and Experimentation. PostHog lists Feature Flags, A B Testing and Surveys. Both cover Event Tracking and Session Replay.
What are alternatives to both Amplitude and PostHog?
Alternatives to Amplitude include Mixpanel (4.5/5) and Hotjar (4.4/5). Alternatives to PostHog include Plausible (4.7/5), Mixpanel (4.5/5) and Hotjar (4.4/5). Mixpanel has a free tier. Hotjar has a free tier. Each tool has a full alternatives page on SAASAF.AI with pricing and feature comparisons.
What platforms do Amplitude and PostHog support?
Amplitude and PostHog are both available on Web. Amplitude integrations listed on SAASAF.AI include Segment, Snowflake and Bigquery. PostHog integrations include Slack, GitHub and Sentry. Amplitude lists 5 integrations and PostHog lists 5 in the SAASAF.AI directory. Both are AI-powered.