# Mixpanel vs PostHog: who uses which

On usedby, 45 companies use Mixpanel and 40 use PostHog. 1 company uses both, including Daily. Counts include every proof level, job-post signals included; each company keeps its proof level on each side. Latest check 2026-11-15: 85 of 85 public lines checked.

## Side by side

|  | [Mixpanel](https://www.usedby.ai/tools/mixpanel.md) | [PostHog](https://www.usedby.ai/tools/posthog.md) |
|---|---|---|
| Public customers | 45 | 40 |
| Confirmed | 4 | 17 |
| Observed | 33 | 13 |
| Signals (job posts) | 1 | 0 |
| Top industries of customers (every proof level) | Artificial Intelligence (5), HealthTech & Digital Health (4), DevTools & Infrastructure (3) | Artificial Intelligence (13), DevTools & Infrastructure (12), Investment & VC (2) |
| Category | Data platforms & analytics | Data platforms & analytics |
| Security | SOC 2 Type II, ISO 27001, ISO 27701 ([mixpanel.com](https://mixpanel.com/legal/security-overview/), checked 2026-11-13) | SOC 2 Type II ([trust.posthog.com](https://trust.posthog.com/), checked 2026-11-13) |
| Data processing terms | A data processing agreement is available. ([mixpanel.com](https://mixpanel.com/legal/contact-us/), checked 2026-10-07) | A data processing agreement is available. ([posthog.com](https://posthog.com/dpa), checked 2026-11-13) |
| Free trial | Free trial or free plan available. ([mixpanel.com](https://mixpanel.com/pricing/), checked 2026-11-13) | Free trial or free plan available. ([posthog.com](https://posthog.com/pricing), checked 2026-11-13) |
| Integrations | Claude, Snowflake, Braze, Mailchimp, Auth0, MoEngage, Customer.io, Appcues, Anodot, Freshpaint, Leanplum, Tenjin ([mixpanel.com](https://mixpanel.com/partners/integrations), checked 2026-11-13) | Stripe, HubSpot, Slack ([posthog.com](https://posthog.com/data-pipelines), checked 2026-11-13) |
| Languages | English, Japanese, Korean, Indonesian ([mixpanel.com](https://mixpanel.com/home/), checked 2026-11-13) | — |
| Pricing | Free: $0 Free forever; Growth: $0; Enterprise: contact sales ([mixpanel.com](https://mixpanel.com/pricing/), checked 2026-10-07) | Monthly free allowance · 1M analytics events, 5K session recordings, 1M feature flag requests ([posthog.com](https://posthog.com/pricing), checked 2026-11-13) |
| Data residency | — | EU, US ([posthog.com](https://posthog.com/handbook/company/security), checked 2026-11-13) |

## Companies that use both

Every proof level counts; the proof level of each side is shown, strongest proofs first. The first public proof is not an adoption date.

| Company | Proof, Mixpanel | Proof, PostHog | First public proof, Mixpanel | First public proof, PostHog |
|---|---|---|---|---|
| [Daily](https://www.usedby.ai/companies/daily.md) | Declared by the company | Declared by the company | On or before October 2026 | On or before November 2026 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Mixpanel: [Olo](https://www.usedby.ai/case-studies/olo-mixpanel.md): **7.8%**: “Increased conversion by 7.8% through A/B experimentation results” (captured by usedby 2026-10-16)
- Mixpanel: [Docusign](https://www.usedby.ai/case-studies/docusign-mixpanel.md): **15%**: “DocuSign increased free account creation by 15%.” (captured by usedby 2026-10-16)
- PostHog: [Grantable](https://www.usedby.ai/case-studies/grantable-posthog.md): **10 minutes**: “it took Evan only 10 minutes to set it up” (captured by usedby 2026-11-12)
- PostHog: [Arena (LMArena)](https://www.usedby.ai/case-studies/arena-posthog.md): **19×**: “Over the past six months alone, event volume increased 19×.” (captured by usedby 2026-11-12)

---
Source: https://www.usedby.ai/compare/mixpanel-vs-posthog · How we check: https://www.usedby.ai/methodology