# Google Analytics 4 (GA4) vs PostHog

Page: https://betterapps.site/compare/ga4-vs-posthog
Site: Better Apps, run by Kerry Morrison of BetterStory
Do you need GA4 or PostHog to measure your site?
Facts only. Kerry has not reviewed both tools yet.


## Short answer

Google Analytics 4 (GA4): Free for the standard version. PostHog: Free monthly tier. Pay as you go above it.

| Detail | Google Analytics 4 (GA4) | PostHog |
| --- | --- | --- |
| Headline price | Free for the standard version. | Free monthly tier. Pay as you go above it. |
| Cost of the lowest paid plan a month for a team of 5 | No fixed list price to multiply | No fixed list price to multiply |
| Free plan | Yes | Yes |
| Trial | Not confirmed | Not confirmed |
| Best for | Businesses that want free web and app measurement. Marketers who connect analytics to Google Ads. Large teams that need higher limits through Analytics 360 | Product and engineering teams that want analytics, replay, and flags in one tool. Teams that want usage based pricing with a free monthly tier. Teams that want to pull data from sources such as Stripe, Postgres, and HubSpot |
| Skip it if | Teams that need data retention beyond 14 months without paying for 360. Teams that want product analytics with session replay in the same tool | Marketers who only need ad and search reporting, since PostHog is built around product data. Buyers who need per-unit rates on the pricing page, which were not shown in the text read |
| Price checked | November 5, 2026 | November 5, 2026 |

## What each tool is

### Google Analytics 4 (GA4)

Google Analytics measures how people use websites and apps. Google describes cross-platform measurement across web and app, built-in automation, flexible reporting, cross-platform attribution, and machine learning that surfaces insights and predicts customer actions. The standard version is free. Analytics 360 is the paid enterprise tier with higher limits, such as up to 50 months of data retention against 14 months in standard, and larger BigQuery exports. Google Analytics connects to Google Ads, Search Ads 360, Display and Video 360, Google Cloud, and Search Console. Google positions it for small businesses, enterprises, and marketers who want to link insights to campaign results.

### PostHog

PostHog is a product analytics platform. Its products include Product Analytics, Session Replay, Error Tracking, Web Analytics, Feature Flags, Experiments, Surveys, a data warehouse, CDP, and Workflows. Pricing is usage based. A free tier resets each month and includes 1M analytics events, 5K session recordings, 1M feature flag requests, 100K exceptions, and 1,500 survey responses. Paid use is pay as you go above those amounts with no base fee listed. PostHog says it supports 900+ data sources and connects to Claude, ChatGPT, Cursor, and other tools through its MCP. The site targets product and engineering teams and says over 500,000 teams use it.

## Jobs each tool covers

### Google Analytics 4 (GA4)

- Measure website and app traffic
- Track conversions and key events
- Build audiences for ads
- Explore user behavior
- Export data to BigQuery

### PostHog

- Analyze product usage
- Watch session replays
- Run feature flags and experiments
- Collect survey responses
- Track errors

Integrations both list: none in the same words.

Listed only for Google Analytics 4 (GA4): Google Ads, Search Ads 360, Display & Video 360, Google Cloud, Google Search Console, BigQuery. Listed only for PostHog: Stripe, Postgres, HubSpot, Zendesk, Linear, GitHub, Claude, ChatGPT.

## Every plan on file

Prices checked November 5, 2026. Vendors count different things, such as people, channels, workflow runs or credits, so a lower headline price does not always mean a lower bill.

### Google Analytics 4 (GA4) plans

| Plan | List price | What to know |
| --- | --- | --- |
| Standard | Free | Google states standard Analytics is free of charge. Data retention is up to 14 months. |
| Analytics 360 | Contact sales | Google did not list a price. A Talk to Sales link is shown. |

### PostHog plans

| Plan | List price | What to know |
| --- | --- | --- |
| Free | $0 | One project, 1 year data retention, community support, and a monthly free tier with no credit card. |
| Pay-as-you-go | Usage based | No base fee listed and no minimums. Pay only for usage above the free tier. Includes 6 projects and 7 year retention. Per-unit rates were not shown. Log retention past 14 days costs $0.05 per GB per month. |



## Who each one fits, from the vendor facts

These points follow from what each vendor says it offers and charges. They are not a review.

### Pick Google Analytics 4 (GA4) if

- Businesses that want free web and app measurement
- Marketers who connect analytics to Google Ads
- Large teams that need higher limits through Analytics 360

### Skip Google Analytics 4 (GA4) if

- Teams that need data retention beyond 14 months without paying for 360
- Teams that want product analytics with session replay in the same tool

### Pick PostHog if

- Product and engineering teams that want analytics, replay, and flags in one tool
- Teams that want usage based pricing with a free monthly tier
- Teams that want to pull data from sources such as Stripe, Postgres, and HubSpot

### Skip PostHog if

- Marketers who only need ad and search reporting, since PostHog is built around product data
- Buyers who need per-unit rates on the pricing page, which were not shown in the text read

## Five checks before you pay for either

1. Count what each tool bills on, then price both tools on your own numbers.
2. Check the billing basis. Annual billing is often cheaper than monthly.
3. Run the free plan or trial first when one exists. Google Analytics 4 (GA4): no confirmed trial. PostHog: no confirmed trial.
4. Read the limits on the plan you plan to buy.
5. Decide how you would leave. Look for data export and cancellation terms first.

Full pages: https://betterapps.site/tools/ga4 and https://betterapps.site/tools/posthog