Medusa
PostHog
| Feature | Medusa | PostHog |
|---|---|---|
| Pricing | Free only | Free / from $0/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.4 / 5 | 4.5 / 5 |
| Best For | developer-teams, custom-commerce, headless-commerce, multi-region-stores | developers, startups, product-teams, privacy-conscious-companies |
| Founded | 2021 | 2020 |
| Headless Api | ✓ | ✗ |
| Multi Region | ✓ | ✗ |
| Plugins | ✓ | ✗ |
| Admin Dashboard | ✓ | ✗ |
| Payment Providers | ✓ | ✗ |
| Fulfillment | ✓ | ✗ |
| Tax Engine | ✓ | ✗ |
| Product Analytics | ✗ | ✓ |
| Session Replay | ✗ | ✓ |
| Feature Flags | ✗ | ✓ |
| Experiments | ✗ | ✓ |
| Surveys | ✗ | ✓ |
| Data Warehouse | ✗ | ✓ |
| Self Hosting | ✗ | ✓ |
✓ Medusa Pros
- Fully open-source and developer-friendly
- Headless architecture for any frontend framework
- Built-in multi-region and multi-currency support
- Modular design allows replacing any component
✗ Medusa Cons
- Requires development resources to set up
- Newer platform with smaller ecosystem
- No visual store builder for non-developers
✓ PostHog Pros
- All-in-one analytics replacing multiple tools
- Generous free tier (1M events/month)
- Self-hostable for full data control
- Feature flags and experiments built-in
✗ PostHog Cons
- Can be complex to set up properly
- Self-hosting requires infrastructure maintenance
- Less polished UI than Amplitude
The Verdict
Medusa is built for developer teams and custom commerce, with a focus on headless-api and multi-region. PostHog targets developers and startups and leads with product-analytics and session-replay.
Medusa uses custom enterprise pricing, while PostHog starts at $0/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.