Amplitude vs Posthog
Self-hosted for $4/mo on hetzner CAX11, versus $49-$1500/user/mo on Amplitude.
Side-by-side
| Amplitude | Posthog (self-hosted) | |
|---|---|---|
| Pricing model | $49-$1500/user/mo | $4.13/mo flat (any team size) |
| Hosting | Amplitude's servers | Your VPS (hetzner CAX11) |
| Data ownership | Amplitude controls the data | Your disk, your encryption |
| Source code | Closed | Open (NOASSERTION) |
| Customization | API + integrations only | Full source access; modify freely |
| Maintenance burden | Zero | Backups + updates (Docker available) |
| Health score (ossreplace) | — | 77 / 100 |
Why teams leave Amplitude
- MTU-based pricing penalizes high-traffic apps
- Behavioral cohorts gated to higher tiers
- No self-hosted option
Posthog answers this by: Skip MTU pricing entirely, run on your own infra, full SQL access to event data.
The cost math
Assumes 5-person team using Amplitude at the midpoint price ($774.5/user/mo).
| Period | Amplitude | Posthog on hetzner | You save |
|---|---|---|---|
| Monthly | $3872.5 | $4.13 | $3868.37 |
| Yearly | $46470 | $49.56 | $46420.44 |
| 3 years | $139,410 | $149 | $139,261 |
Deploy Posthog now
One-click deploys at the cheapest provider for this workload:
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Common questions
Is Posthog a good alternative to Amplitude?
Posthog is an open-source, self-hostable alternative to Amplitude with an ossreplace health score of 77/100 — a composite of project activity, maturity, community, security, and adoption. It runs on your own hetzner VPS from $4.13/mo with full source access under the NOASSERTION license, versus Amplitude's $49–1500/user/mo hosted plans.
How much cheaper is Posthog than Amplitude?
A 5-person team pays about $3872.5/mo on Amplitude. Self-hosting Posthog on hetzner CAX11 costs a flat $4.13/mo regardless of team size — roughly $139,261 less over three years (100% lower).
Is Posthog hard to self-host?
Posthog ships a Docker setup, so deployment is usually a single docker-compose command on a $4.13/mo VPS. You own the backups and updates, and there are no per-seat fees.
Do you keep control of your data with Posthog vs Amplitude?
Yes. Because Posthog runs on your own server, the data lives on your disk under your encryption. With Amplitude, Amplitude controls the hosting, storage, and access.