The 9 Best Free Product Analytics Tools for 2026

A free product analytics tool has a free-forever plan with real event volume, no credit card, and no expiry date. A 14-day trial is a deadline, not a free plan. Free web analytics tools such as GA4 cost nothing, but they measure traffic and campaigns more than what users do inside your product.

Free options come in three flavors: hosted free-forever plans such as Amplitude, Mixpanel, Statsig and PostHog Cloud; open-source tools that are free to license but cost servers and engineering time to run; and free qualitative tools such as Microsoft Clarity.

The best free tool is the one that covers the most of your product questions today and doesn't punish you for growing. We evaluated every tool against six criteria.

Event volume. This is the ceiling that decides how long "free" lasts. A larger monthly allowance means you can track the full journey, from sign-up through activation and repeat use, instead of rationing events.

Seats and data history. Per-seat limits push engineers, PMs, and marketers into separate tools and separate numbers. Data history is the quieter limit. If a free plan keeps only a few months of data, you can't compare this quarter's cohorts with last quarter's.

Session replay. Charts show where users drop off. Replays show why. Free replays tied to the same events save you from running a second tool.

Experimentation. A free plan doesn't have to run every test you'll ever need. It does need a clear path to A/B testing on the same metrics you already trust.

AI and builder workflow. For product engineers and AI builders, setup speed matters as much as features. We looked for fast installs, support for AI coding tools, MCP access, and AI agents that analyze data for you.

Upgrade path. We checked what the bill does after the free tier. Some pricing models track the events you send. Others rise as your user count grows, which hurts most when a launch goes well.

We started with the tools teams most often consider for free product analytics. We kept only those with a free-forever plan or a free open-source option. Then we reviewed each vendor's published free-tier limits and pricing, as of October 2026, against the six criteria above.

Point tools such as Clarity and GrowthBook made the list because they fill a gap in a free stack. Clarity places fourth, above Heap and GA4, because its free replays come with no paid tier to outgrow. Heap's free tier fills quickly, and GA4 isn't built for in-product behavior, but both are quick for non-technical teams to start on. PostHog places seventh: its free allowances are generous, but it leans technical, and separate meters for each product make the bill harder to forecast as you grow. GrowthBook ranks lower because it needs clean warehouse data before it covers most criteria.

Free-tier limits side by side

The limits below decide how long "free" lasts for each tool.

1. Amplitude

Amplitude Analytics gives you a short path from install to a working funnel, and the Free plan covers the volume most early products need. The plan is free forever, needs no credit card, and works with the AI tools you already build in.

How it performs against the criteria:

• Event volume: 2 million events a month on the Free plan.
• Seats and data history: every plan includes the full platform and unlimited seats, so engineering, product, and marketing work from one set of numbers. Free keeps 1 year of data.
• Session replay: 10,000 session replays a month on the same plan as your analytics.
• Experimentation: Free includes unlimited feature flags and one active experiment, so you can wire up tests early; experiment results reporting starts on Growth.
• AI and builder workflow: AI Agents and the Amplitude MCP are on the Free plan, so you can query your data from an AI assistant. You can also instrument a Cursor project with our step-by-step guide to adding analytics to Cursor.
• Upgrade path: event-based, with the first 2 million events free each month.

Where it falls short: custom events and formulas, behavioral cohorts, alerts, Heatmaps and 2-year data retention start on Plus. Advanced Behavioral Exploration and SSO start on Growth. And because billing tracks events, noisy or duplicate tracking uses up your allowance faster.

G2 rates Amplitude 4.4 out of 5 across 3,101 reviews. A software engineer at a mid-market company backs up the quick start: "The thing I appreciate most is how quickly I can get from a question to an actual answer." A product manager points to replays alongside analytics: "session replay has been genuinely useful for spotting exactly where users drop off in a flow."

Pricing: Event-based. Free forever with 2M events a month. Plus starts at $0 with the first 2M events a month free, then you pay for usage and can scale up to 70M events, according to Amplitude pricing (as of October 2026).

Best for: Early- to mid-stage startups and builders who want to start at $0 and scale on one platform.

2. Statsig

Statsig bundles product analytics, experimentation, and feature flags in one platform, and its free tier includes all three. It suits engineering-led teams that ship behind flags and test most releases.

Statsig's free tier matches Amplitude's 2 million events a month and comes with the most free replays on this list, 50,000 a month, kept for 30 days. Seats are unlimited and analytics data is kept for a year. Experimentation is where Statsig leads: A/B tests and unlimited flag checks are built for teams that test constantly. Setup is SDK-first and developers pick it up fast. Past the free allowance, paid plans are usage-based.

Statsig's trade-off is focus. It's built experimentation-first, so PMs and marketers who want deep self-serve behavioral analysis, such as journeys and correlation charts, may find fewer options than in a dedicated analytics platform.

G2 rates Statsig 4.7 out of 5 across 348 reviews. A senior software engineer at an enterprise company says, "Experiment assignment is dead simple to wire into backend code."

Pricing: Usage-based. Free with 2M events a month; Pro starts at $150 a month with 5M events included, then $0.05 per 1,000 events, according to Statsig pricing (as of October 2026).

Best for: Engineering-led teams that want flags, tests, and analytics in one free plan.

3. Mixpanel

Mixpanel is an event-based product analytics tool with clean self-serve reports for funnels, retention, and flows. Its free plan is solid for small products, but it's capped at 1 million events a month.

On the free plan, Mixpanel gives you 1 million events a month, unlimited seats and 10,000 session replays. That covers a small product, but the allowance runs out faster once you track the full journey from sign-up to repeat use. Experimentation on the free plan is limited to small-scale tests and a handful of flags. Mixpanel lists its AI agent and MCP server as available on Free. Paid tiers stay event-based, so the bill tracks what you send.

Headroom is the catch. A growing product hits the paid wall sooner. If you test often, you'll also end up adding a separate flagging and testing tool to your analytics.

G2 rates Mixpanel 4.5 out of 5 across 1,392 reviews. An enterprise reviewer says, "I like Mixpanel because the UI is clean and easy to use, which makes it straightforward to track app events and user activity."

Pricing: Event-based. Free with 1M events a month; the Growth plan starts at $0 with the first 1M events free, then you pay per event, according to Mixpanel pricing (as of October 2026).

Best for: Small teams with light event volume that want simple self-serve reports.

4. Microsoft Clarity

Microsoft Clarity is free forever for heatmaps and session recordings, with no traffic limits, though projects are capped at 100,000 sessions a day. It's the cheapest way to watch how people use your site.

Clarity isn't event-based product analytics, so there's no event allowance to manage. There's no limit on team members, and recordings are kept for 30 days, which limits how far back you can look. Recordings are the core feature, alongside click and scroll heatmaps. There's no experimentation. Install is a script tag, and Clarity adds Copilot features and an MCP server. The real cost shows up later, when you add an event-based tool beside it.

For a marketing site or a simple web app, that's often enough to spot confusing layouts and broken flows before you invest in more tooling. Clarity stops at the page, though. It shows what happened there, but it doesn't build funnels, cohorts, or retention curves around named product events. Most teams pair it with an event-based tool, which means two datasets that don't share definitions.

G2 rates Microsoft Clarity 4.5 out of 5 across 55 reviews. A small-business reviewer says, "I like that Microsoft Clarity is free and does not slow down page rendering."

Pricing: Free, with no paid plan, according to Microsoft Clarity (as of October 2026).

Best for: Teams that need free qualitative insight to complement an analytics tool.

5. Heap

Heap, now part of Contentsquare, is known for autocapture. It records clicks and page views automatically, so you can define events after the fact instead of planning them up front.

Heap's free tier allows up to 10,000 sessions a month, which works for early discovery but fills quickly on a busy product. The free plan keeps 6 months of data history. Session replay isn't on Free or Growth (it's an add-on on the Pro and Premier plans), and experimentation isn't built in. Install is easy, since autocapture needs little tracking code, but Heap's AI assistant isn't included on Free. Paid tiers are priced on sessions and quoted on request.

Autocapture is convenient, but the free limits surface fast. Without a tracking plan, raw clicks can also pile up into data that's hard to trust, and cleaning it up later takes time you'd rather spend on analysis.

G2 rates Heap 4.4 out of 5 across 1,097 reviews. A small-business reviewer says, "Heap's automatic event tracking is its strongest feature."

Pricing: Session-based. Free up to 10,000 sessions a month; Growth pricing isn't published and is estimated after you install the snippet, according to Heap pricing (as of October 2026).

Best for: Early teams exploring behavior before they've settled on a tracking plan.

6. Google Analytics 4

Google Analytics 4 is free web and app analytics with an event-based data model. Most marketing teams already have it installed, and it's strong for acquisition and campaign reporting.

GA4 is free with no published monthly event cap, though it caps parameters at 25 per event and, in apps, distinct event names at 500. Event-level data is kept for 2 or 14 months, which caps how far back your cohort comparisons can reach. It has no session replay, and no experimentation since Google Optimize shut down. Product questions often need BigQuery exports and SQL, though Google now offers an AI assistant in beta and an official MCP server. The paid upgrade is GA360, aimed at enterprises.

GA4 wasn't built for product behavior. Sampling, thresholding, and modeled data can blur the user-level detail you need for cohorts and retention. It's useful for traffic reporting, not for answering why users stop coming back.

G2 rates Google Analytics 4.5 out of 5 across 6,890 reviews. A small-business founder says, "Google Analytics is great for tracking website traffic and understanding user behavior in real time."

Pricing: Free. GA360 is the paid enterprise tier, sold by contract with no published price, according to Google's GA4 and GA360 comparison (as of October 2026).

Best for: Marketing teams tracking traffic and campaigns.

7. PostHog

PostHog is an open-source suite with product analytics, session replay, feature flags, experiments, and surveys. It offers a free monthly allowance on its cloud plan, plus the option to self-host.

Each product in the suite gets its own free monthly allowance, including 1 million analytics events, 5,000 session recordings and 1 million feature flag requests. The whole team can use it, and the cloud free plan keeps a year of data. Flags and A/B tests are built in, and free accounts get starter credits for PostHog AI, which also works through its MCP server. Setup is developer-friendly, though it expects more technical work than a guided install. Past the free limits, each product is billed on its own usage.

You pay for that flexibility in effort. PostHog leans technical, and self-hosting moves the cost to your servers and your engineers. Separate meters for analytics, replays, and flags can make the total harder to forecast than one event allowance.

G2 rates PostHog 4.5 out of 5 across 1,056 reviews. A senior software engineer at a mid-market company says, "What I like most about PostHog is the level of visibility it gives us into real user behavior, while still staying very developer-friendly."

Pricing: Usage-based, per product, with no minimum spend once you add a card, according to PostHog pricing (as of October 2026). Self-hosting is free to license.

Best for: Technical teams that want open-source control and don't mind running more of the stack.

8. GrowthBook

GrowthBook is an open-source feature flagging and experimentation platform with a free cloud plan. It runs its stats on data already in your warehouse, which appeals to teams with a mature data stack.

GrowthBook reads events from your warehouse instead of storing them, so event volume and data history depend on your warehouse, not the plan. The free cloud Starter plan allows up to 3 users and unlimited flags and experiments, and the self-hosted open-source version is free too. There's no session replay. Experimentation is the core strength, with warehouse-native A/B testing. SDKs are developer-first, and the free plan includes limited AI usage and access to GrowthBook's MCP server. Paid cloud plans add seats and features.

What GrowthBook lacks is analytics depth. It tells you which variant won, but it doesn't offer the funnels, journeys, and cohort tools you need to find what to test next. You'll also need warehouse data in good shape before it's useful.

G2 rates GrowthBook 4.6 out of 5 across 26 reviews. One reviewer explains why their team chose it: "We gather our experimentation data in a separate platform and needed a place to load and analyze it. Growthbook is the only tool we found that allowed us to do that."

Pricing: Free open-source license and free cloud Starter plan; Pro costs $40 per seat a month, according to GrowthBook pricing (as of October 2026).

Best for: Data-mature teams that want free testing on top of their warehouse.

9. Pendo

Pendo offers a free plan for in-app analytics and guides for up to 500 monthly active users (MAUs). Its strength is onboarding: tooltips, walkthroughs, and announcements inside your product.

Pendo's free plan is capped by MAUs, not events, so the limit depends on how many people use your product rather than what you track. Session replay is a paid add-on on the free plan (it's bundled only into the higher Core and Ultimate plans), and testing is limited to guides rather than product experiments. Install is a snippet with no-code guide building, and Pendo's AI assistant, Leo, is included in all plans, while other Pendo AI features are paid add-ons. Paid plans are MAU-based and sales-led.

For a SaaS team whose biggest problem is getting new users through setup, that combination of analytics and guides in one free plan is useful. Pendo is lighter on deep behavioral analysis than a dedicated analytics platform, though. Its free cap also counts users rather than activity, so a wave of low-engagement sign-ups uses it up.

G2 rates Pendo 4.4 out of 5 across 1,828 reviews. A software-company reviewer says, "Pendo brings product analytics, user segmentation, and in-app guidance together in one platform, which makes it easier to understand user behavior and drive adoption."

Pricing: MAU-based. Free up to 500 MAUs; paid plan pricing is available on request, according to Pendo pricing (as of October 2026).

Best for: SaaS teams whose main goal is in-app onboarding.

Teams pick Amplitude for different reasons at different stages. Early on, it's the free ceiling. Later, it's keeping product, marketing, and engineering on one platform as usage grows. In The Forrester Wave™: Digital Analytics Solutions, Q3 2025, Forrester calls Amplitude "ideal for product-led organizations where product and marketing teams need close alignment and ease of use is a priority." The evaluation covers the full paid platform, not the free plan. Two customer stories show both.

Walkie-talkie, a social audio app that started as a side project for two engineers, chose Amplitude partly because of its free starter package at the time. Since adopting Amplitude, the team reports that 30-day retention rose from under 8% to over 20%, and daily active users grew from 70,000 to over 300,000.

FunCraft, a 12-person mobile word game studio, shows the other end of the path. The team found Amplitude so useful that it moved from the Starter plan to the Growth plan after a year, and it credits its analytics work with increasing day-one retention by 40%. "FunCraft is a data-driven company, and 100% of our decisions are based on data," says Gonzalo Orts, VP of Product.

Most roundups list free features. Here's what a team can ship with them at $0.

• An activation funnel: track sign-up, setup, and first key action, then use replays to watch the sessions where users stall.
• A retention view: compare how users who reached your aha moment in week one retain against those who didn't.
• A feature adoption dashboard: show who uses your newest feature, how often, and whether those users retain better.
• A first experiment: put a change behind a feature flag and run one experiment, then move to Growth when you need full results reporting.

Here's an illustration of how far 2 million events goes. At 40 events per user each month, the allowance would cover roughly 50,000 monthly active users. That's arithmetic, not a plan limit, because Free is metered in events, not users. Track only the events that matter, and the allowance stretches further.

If you're new to this, start with our guide to getting started with product analytics or the product analytics fundamentals course.

"Free now" and "cheap later" are different questions. A generous free tier helps you start. The pricing model decides what you pay once you succeed.

With event-based pricing, your first 2 million events each month are free, and costs rise with the data you send. With MTU- or MAU-based pricing, you pay for every user who shows up, active or not. A viral launch or a big marketing push can raise that bill overnight, even if most new users bounce.

No usage model is perfectly predictable. In The State of B2B Monetization in 2026, Kyle Poyar reports that "usage-based and outcome-based companies lament about how difficult it is to forecast and predict revenue." For buyers, the same problem shows up as a bill you can't predict. Event-based pricing stays affordable when you control what you track, so keep a tight tracking plan and drop noisy events.

Amplitude's startup programs can also make the paid Growth plan free or heavily discounted:

• The Startup Scholarship gives startups with under $10M in funding and fewer than 20 employees one free year on the Growth plan, covering up to 100M events a month. Apply through Amplitude for Startups after you sign up for a free account.
• Tech for Black Founders gives US-headquartered startups led by one or more Black founders, with less than $30M in venture capital and fewer than 150 people, free access for up to 500K monthly tracked users (MTUs), for as long as they keep meeting the criteria.
• Startups referred by one of Amplitude's partners can get additional discounts, and Y Combinator founders have a separate deal.

Many teams are still early. The Product-Led Alliance's State of Product Analytics 2025 found that just 45.1% of respondents have a dedicated product analytics team. So pick a tool that one person can set up and the whole company can use.

• Solo builder or early startup: Amplitude. You get 2M free events and 10K session replays a month, plus MCP access from your AI coding tools.
• Scaling SaaS: Amplitude, for event-based pricing and startup programs that soften the move to Growth. Mixpanel works if your volume stays low.
• Qualitative-only: Microsoft Clarity, paired with an event-based tool for funnels and retention.
• Engineering-led: Statsig for flags plus tests, PostHog for open-source control, or GrowthBook if your data lives in a warehouse.
• Onboarding-focused: Pendo for in-app guides. Amplitude's Free plan also includes a guide or survey, if you want guides tied to the same analytics.
• Marketing and traffic: GA4, with a product analytics tool alongside it.

Still deciding what to track first? Product Analytics for Dummies walks through the basics.

You can start on the Free plan today, and event-based pricing and startup programs keep the bill in check once you outgrow it.

Builders can follow the Amplitude build guides to add Amplitude to their stack.