GraphJSON vs PostHog

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

GraphJSON

See full pricing history

USD · US · source: www.graphjson.com

Plan	Pricing	Charged by	Offer type
Spark — Free	Free $0 / month Free up to 5k events	Flat	Standalone · Free
Usage-based — Paid Highlighted	USD 12 monthly · USD 12 / month with annual commitment $12 / month per million stored events	Usage · per million stored events	Standalone · Fixed

PostHog

See full pricing history

USD · US · source: posthog.com

Plan	Pricing	Charged by	Offer type
Free	Free Free monthly allowances	Flat · published offer	Standalone · Free

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

GraphJSON

Spark — Free

Highlights Events included: Up to 5,000 stored events

Included
Highlights Point-and-click visualizations: Included
Highlights Organized event collections: Included
Highlights Customizable dashboards: Included

Usage-based — Paid

Highlights Events included: Billed per million stored events

Included
Highlights Everything in Spark: Included
Highlights Automated alerts: Included
Highlights Full ClickHouse SQL notebooks: Included
Highlights Configurable data retention: Included
Highlights Direct support: Included

PostHog

Free

Plan card Product analytics: 1 million events/month

Limited
Plan card Session replay: 5,000 recordings/month

Limited
Plan card Feature flags: 1 million requests/month

Limited

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

GraphJSON

August 27, 2026 Source
- Spark — Free: Free
- Usage-based — Paid: USD 12 monthly · USD 12 / month with annual commitment

PostHog

August 27, 2026 Source
- Free: Free