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Side-by-side comparison · SEO & Analytics

Amplitude vs Microsoft Clarity vs PostHog

Everything that matters when choosing between them, in one place: our rating, what each can do, what they cost, and the trade-offs.

Amplitude

4.0

From First 2M events free

DetailsVisit
Best overall

Microsoft Clarity

4.3

Free to start

DetailsVisit

PostHog

4.2

From $0/mo base

DetailsVisit

Comparing 3 tools, the maximum.

At a glance

Amplitude4.0

Pick it if: Product and growth teams at apps and SaaS companies who want deep analytics and AI that spots changes for them.

Microsoft Clarity4.3
Best overallBest valueEasiest to use

Pick it if: Store owners and marketers who want to know why visitors aren't converting, without paying for it.

PostHog4.2

Pick it if: Founders and product teams with a web app or SaaS who want analytics, replays and testing in one tool.

Overview

AttributeAmplitudeMicrosoft ClarityPostHog
In one lineProduct analytics with AI agents that watch your numbers and flag changes for you.Free heatmaps and session replays that show where visitors get stuck.Product analytics, session replays, A/B tests and surveys in one tool, with an AI analyst.
Pricing modelFreemiumFreeFreemium
Starting priceFirst 2M events freeFree$0/mo base
Free plan Yes Yes Yes
Works with Claude Code Yes Yes Yes

Rating breakdown

Our scores out of 5. The higher bar in each row is highlighted.

AttributeAmplitudeMicrosoft ClarityPostHog
Overall rating4.04.3Winner4.2
Ease of useHow quickly someone non-technical gets value from it.
3.0
4.5
3.0
FeaturesHow completely it covers its own job, and how well the pieces fit together.
4.5
4.0
5.0
Output qualityHow good the results are before you fix them.
4.5
4.0
4.5
Value for moneyWhat you get for the price, including the free plan.
4.0
5.0
4.5
Speed & reliabilityHow fast it is and how often it falls over.
4.0
4.0
4.0

Feature comparison

A tick means it does this today. A dash means we haven't checked.

AttributeAmplitudeMicrosoft ClarityPostHog
Access & platform
Free plan Yes Yes Yes
Mobile app No– No
Desktop app No No Yes
Browser extension No No No
API access Yes Yes Yes
Teams & business
Team workspace Yes Yes Yes
Enterprise plan or SSO Yes No Yes
Connects to other apps Yes Yes Yes
Open source or self-hosted No No Yes
AI abilities
Works with your files No No No
Understands images– No–
Makes images No No No
Makes video No No No
Writes code No No Yes
Runs agents or automations Yes– Yes
Learns your brand or style– No–
Works in many languages Yes Yes Yes
Capabilities score7/ 175/ 1710/ 17

Pricing

Plans as listed on each vendor's site when we last checked. Confirm before you buy.

AttributeAmplitudeMicrosoft ClarityPostHog
Plans

FreeOur pick

Free

Startups and small apps.

FreeOur pick

Free

Every website and online store.

Free

Free

Small apps and getting started.

Plus

First 2M events free, then usage-based

Growing teams that need more charts and history.

Pay as you goOur pick

$0/mo base, then per use

Growing apps that outgrow the free limits.

Growth

Custom

Product teams at scale.

Boost

$250/mo plus usage

Teams that need SSO enforcement or HIPAA.

Enterprise

Custom

Large organisations.

Scale

$750/mo plus usage

Larger organisations.

Enterprise

$2,000/mo plus usage

Big companies.

Which plan to pickStart on Free, which includes the AI agents and MCP. Move to Plus when you need custom events, cohorts or alerts. Growth and Enterprise are for larger product teams and need a sales call.There's one plan and it's free. Microsoft says it's free forever with no traffic limits. Install the tracking code through Shopify, WordPress or Google Tag Manager and it starts recording within minutes.Start free. Add a card to move to pay as you go when you need more projects or longer history, and set billing limits on each product so nothing runs away. The platform packages only matter for compliance or big teams.

Key features

AttributeAmplitudeMicrosoft ClarityPostHog
Standout features
  • Product analytics
  • AI agents
  • Session replay and heatmaps
  • Experiments
  • Guides and surveys
  • MCP server and Claude plugin
  • Session recordings
  • Heatmaps
  • Copilot
  • Smart events and funnels
  • AI visibility
  • MCP server
  • Product analytics
  • Session replay
  • A/B tests and feature flags
  • Surveys
  • PostHog AI
  • MCP server and wizard

Pros and cons

AttributeAmplitudeMicrosoft ClarityPostHog
Pros
  • Free plan up to 2 million events
  • Strong AI agents that monitor metrics for you
  • MCP and Claude plugin on every plan
  • Covers analytics, replay, testing and surveys
  • Completely free with no traffic or team limits
  • Session replays and heatmaps that match the paid tools
  • Copilot turns piles of recordings into plain findings
  • Easy installs for Shopify, WordPress and Tag Manager
  • MCP server for Claude
  • Huge free tier with no seat fees
  • Analytics, replays, testing and surveys in one tool
  • Clear, public per-use pricing
  • Open source core you can self-host
  • Strong AI assistant and Claude Code support
Cons
  • Steep learning curve
  • Needs tracking set up before it's useful
  • Growth and Enterprise prices aren't published
  • Overkill for simple website reporting
  • Your visitor data goes to Microsoft, which some businesses won't accept
  • Recordings keep for 30 days, so you can't go back far
  • The interface is rougher than Hotjar and filters take some learning
  • Can slow a page slightly if it's already heavy with scripts
  • So many products and settings that it can overwhelm small teams
  • Overkill if you only want website visitor numbers
  • Usage bills need billing limits to stay predictable
  • Setup works best with a developer or Claude Code

Who each one is for

AttributeAmplitudeMicrosoft ClarityPostHog
Best for
  • Deep product analytics for apps
  • AI agents that flag metric changes
  • A free plan with up to 2 million events
  • Connecting your data to Claude through MCP
  • Finding checkout drop-offs
  • Watching real user sessions
  • Scroll and click heatmaps
  • Spotting broken buttons
  • Seeing how people use your app
  • Finding where sign-ups and checkouts drop off
  • A/B testing new features and pages
  • Replacing several separate analytics tools
You'll find it used by
  • Product teams
  • Growth marketers
  • Data analysts
  • Large companies
  • Store owners
  • Marketers
  • Product teams
  • Agencies
  • Founders
  • Product teams
  • Developers
  • SaaS companies

Questions people ask

Which is better, Amplitude, Microsoft Clarity or PostHog?

Microsoft Clarity scores highest overall in our ratings (Amplitude 4.0/5, Microsoft Clarity 4.3/5 and PostHog 4.2/5). Amplitude is best for deep product analytics for apps and AI agents that flag metric changes. Microsoft Clarity is best for finding checkout drop-offs and watching real user sessions. PostHog is best for seeing how people use your app and finding where sign-ups and checkouts drop off.

Which is cheaper, Amplitude, Microsoft Clarity or PostHog?

Amplitude: There's a free plan, and paid plans start at First 2M events free. Microsoft Clarity: It's free to use. PostHog: There's a free plan, and paid plans start at $0/mo base.

Which is easier to use, Amplitude, Microsoft Clarity or PostHog?

Microsoft Clarity rates highest for ease of use in our scores. Store owners and marketers who want to know why visitors aren't converting, without paying for it.

How we compare

Ratings are our own, from using each tool, across ease of use, features, output quality, value for money, speed & reliability.

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