Head-to-head
illumin vs PostHog
Two leading analytics tools, compared on pricing, features, and editorial fit. Updated for 2026.
illumin
Demand side platform with planning, insights, and incrementality measurement
Custom pricing
Visit illuminAt a glance
| illumin | PostHog | |
|---|---|---|
| Tagline | Demand side platform with planning, insights, and incrementality measurement | The product OS for developers. |
| Pricing model | Enterprise | Freemium |
| Starts at | Custom | Free |
| Founded | — | 2020 |
| AI-native | ||
| Categories | Programmatic & Ad Tech, Paid Ads, Analytics | Analytics |
| Vendor claimed |
Quick take
Pick illumin if you need demand side platform with planning, insights, and incrementality measurement. Pick PostHog if you need the product os for developers.
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Frequently asked
- Is illumin better than PostHog?
- It depends on your use case. illumin is demand side platform with planning, insights, and incrementality measurement, while PostHog is the product os for developers. See the comparison above for which fits your team.
- What's the price difference between illumin and PostHog?
- illumin uses custom pricing. PostHog is free.
- Can I migrate from illumin to PostHog?
- Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.