Formsite vs PostHog pricing: which is cheaper for your team?
Formsite's cheapest paid tier (Personal) lists at $21/month, which beats the other on entry pricing. Mid-tier and enterprise math can flip the answer — use the per-tier table below to see the real cost for your team size at each tier.
Calculate the cost for your team
Formsite pricing tiers
| Tier | Monthly | Annual (eq) | Unit | Notes |
|---|---|---|---|---|
| Personal | $21 | $21 | month | 5 forms, 500 results per form, 500 MB |
| Professional | $34 | $34 | month | 10 forms, 1,000 results per form, removes branding |
| Business | $59 | $59 | month | 25 forms, 2,500 results, 1 sub-user |
| Business Plus | $84 | $84 | month | 100 forms, 10,000 results, 5 sub-users |
| Enterprise | $209 | $209 | month | 1,000 forms, 50,000 results, 20 sub-users |
PostHog pricing tiers
| Tier | Monthly | Annual (eq) | Unit | Notes |
|---|---|---|---|---|
| Free | $0 | $0 | month | 1M events, 5K recordings, 1M flag requests, 1-year retention |
| PAYG Product Analytics (10M events) | $450 | $450 | month | $0.00005/event x 9M events past free tier |
| PAYG Session Replay (20K) | $75 | $75 | month | $0.005/recording x 15K past free tier |
| Enterprise | Custom | Custom | month | Custom contract, SSO, dedicated support |
Feature by feature
The non-pricing differences that drive the real decision.
| Capability | Formsite | PostHog |
|---|---|---|
| Billing model | month | month |
| Pricing model | Form and result count tiered | Free tier plus usage-based per product |
| Cheapest paid tier | Personal at $21/month | PAYG Session Replay (20K) at $75/month |
| Mid-tier benchmark | Business at $59/month | PAYG Session Replay (20K) at $75/month |
| Total paid tiers published | 5 | 2 |
| Last verified | 2026-05-17 | 2026-05-17 |
Best for…
Hand-picked use cases mapped to the winner.
| Use case | Winner |
|---|---|
| Lowest entry price (10-person team) | Formsite Personal |
| Most pricing tiers (room to grow) | Formsite (5 tiers) |
| Predictable per-seat billing | Neither (both flat/usage) |
| Most recently verified pricing | Formsite |
Choose Formsite when
- Long-standing form builder priced by number of forms, results per form, and storage, with per-GB and per-user overages.
- Entry tier (Personal) at $21/month is your budget ceiling.
- Self-serve Enterprise plan at $209/month is the top published tier; larger volumes require custom quote.
Choose PostHog when
- Open-source product analytics with generous monthly free quotas, then transparent per-event pricing.
- Entry tier (PAYG Session Replay (20K)) at $75/month is your budget ceiling.
- Enterprise adds SSO, audit logs, dedicated support and custom commits but is not publicly priced.
Switching considerations
Watch the hidden fees on both sides. Formsite: Extra sub-users $10/month each PostHog: Product Analytics: $0.00005/event after free tier Always confirm with the vendor before purchase.
Frequently asked questions
Which is cheaper for a 10-person team, Formsite or PostHog?
At entry tier and 10 seats on annual billing: Formsite Personal comes to $21/mo; PostHog PAYG Session Replay (20K) comes to $75/mo. Formsite is the cheaper entry-tier choice at this team size.
Does Formsite have more pricing tiers than PostHog?
Formsite publishes more paid tiers (5 vs 2). More tiers usually means more granular ways to grow without re-platforming.
Which pricing was verified more recently?
Formsite's pricing was last verified 2026-05-17; PostHog's on 2026-05-17. Both pages link to the vendor's official pricing source so you can re-check before committing.