Amplitude vs PostHog
Amplitude and PostHog are two of the most popular product analytics tools, so choosing between them is a common dilemma. Amplitude is best known for user journey mapping and suits saas, e-commerce, mobile apps teams, while PostHog stands out for event tracking and is a strong fit for startups, saas, developer teams. Below we break down pricing, features, pros and cons so you can decide quickly.
Quick verdict
If budget is the priority, PostHog is the more accessible option ($0-$450/mo). For overall user satisfaction, Amplitude edges ahead with a 4.4/5 rating. Most teams should pick Amplitude for saas use cases and PostHog for startups use cases — and many growing companies end up running both together.
| Feature | Amplitude | PostHog |
|---|---|---|
| Pricing model | Freemium | Freemium |
| Price range | $0-$2000/mo | $0-$450/mo |
| Free tier | Yes | Yes |
| Category | Product Analytics | Product Analytics |
| Best for | SaaS, E-commerce, Mobile Apps | Startups, SaaS, Developer Teams |
| Key features |
|
|
| User rating | ★ 4.4 (2,800) | ★ 4.2 (850) |
Choose Amplitude if…
- ✓You're focused on saas, e-commerce, mobile apps
- ✓Powerful behavioral cohorts
- ✓Built-in experimentation suite
- ✓Strong data governance
- ✓You want to start on a free plan
Choose PostHog if…
- ✓You're focused on startups, saas, developer teams
- ✓All-in-one product OS (analytics, flags, replays)
- ✓Open source & self-hostable
- ✓Developer-first with generous free tier
- ✓You want to start on a free plan
Amplitude vs PostHog: pros & cons
Amplitude
Pros
- ✓Powerful behavioral cohorts
- ✓Built-in experimentation suite
- ✓Strong data governance
Cons
- ✕Can be complex for small teams
- ✕Premium features are costly
- ✕Steeper onboarding
PostHog
Pros
- ✓All-in-one product OS (analytics, flags, replays)
- ✓Open source & self-hostable
- ✓Developer-first with generous free tier
Cons
- ✕Self-hosting requires infra
- ✕UI breadth can overwhelm
- ✕Younger ecosystem than rivals
Frequently asked questions
Is Amplitude or PostHog cheaper?
PostHog is generally the more affordable option ($0-$450/mo). Amplitude is priced at $0-$2000/mo and PostHog at $0-$450/mo, so the best value depends on your data volume and which features you need.
Is Amplitude free?
Yes, Amplitude offers a free tier ($0-$2000/mo), which is great for getting started before you scale up.
Is PostHog free?
Yes, PostHog offers a free tier ($0-$450/mo), so you can trial it without commitment.
Can I use Amplitude and PostHog together?
Yes. Many teams run Amplitude and PostHog side by side — Amplitude for saas and PostHog for startups. A customer data platform (like Segment or RudderStack) makes it easy to send the same events to both.
Which is better for saas, Amplitude or PostHog?
For saas, Amplitude is typically the stronger choice thanks to user journey mapping and behavioral analytics. PostHog is the better pick when you need event tracking.