Side-by-side comparison · SEO & Analytics
Microsoft Clarity vs Moz 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.
Comparing 3 tools, the maximum.
At a glance
Pick it if: Store owners and marketers who want to know why visitors aren't converting, without paying for it.
Pick it if: Small businesses, freelancers and in-house marketers who want a friendlier, cheaper SEO toolkit than Ahrefs or Semrush.
Pick it if: Founders and product teams with a web app or SaaS who want analytics, replays and testing in one tool.
Overview
| Attribute | Microsoft Clarity | Moz | PostHog |
|---|---|---|---|
| In one line | Free heatmaps and session replays that show where visitors get stuck. | A long-running SEO toolkit for keywords, links and rankings, known for Domain Authority. | Product analytics, session replays, A/B tests and surveys in one tool, with an AI analyst. |
| Pricing model | Free | Paid | Freemium |
| Starting price | Free | $49/mo | $0/mo base |
| Free plan | Yes | No | Yes |
| Works with Claude Code | Yes | Yes | Yes |
Rating breakdown
Our scores out of 5. The higher bar in each row is highlighted.
| Attribute | Microsoft Clarity | Moz | PostHog |
|---|---|---|---|
| Overall rating | 4.3Winner | 3.9 | 4.2 |
| Ease of useHow quickly someone non-technical gets value from it. | 4.5 | 4.0 | 3.0 |
| FeaturesHow completely it covers its own job, and how well the pieces fit together. | 4.0 | 4.0 | 5.0 |
| Output qualityHow good the results are before you fix them. | 4.0 | 4.0 | 4.5 |
| Value for moneyWhat you get for the price, including the free plan. | 5.0 | 3.5 | 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.
| Attribute | Microsoft Clarity | Moz | PostHog |
|---|---|---|---|
| Access & platform | |||
| Free plan | Yes | No | Yes |
| Mobile app | – | No | No |
| Desktop app | No | No | Yes |
| Browser extension | No | Yes | No |
| API access | Yes | Yes | Yes |
| Teams & business | |||
| Team workspace | Yes | Yes | Yes |
| Enterprise plan or SSO | 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 | – | No | Yes |
| Learns your brand or style | No | – | – |
| Works in many languages | Yes | Yes | Yes |
| Capabilities score | 5/ 17 | 5/ 17 | 10/ 17 |
Pricing
Plans as listed on each vendor's site when we last checked. Confirm before you buy.
| Attribute | Microsoft Clarity | Moz | PostHog |
|---|---|---|---|
| Plans | FreeOur pick Free Every website and online store. | Starter $49/mo A single small site. | Free Free Small apps and getting started. |
StandardOur pick $99/mo Small businesses doing regular SEO. | Pay as you goOur pick $0/mo base, then per use Growing apps that outgrow the free limits. | ||
Medium $179/mo In-house teams and freelancers with several sites. | Boost $250/mo plus usage Teams that need SSO enforcement or HIPAA. | ||
Large $299/mo Agencies. | Scale $750/mo plus usage Larger organisations. | ||
Enterprise $2,000/mo plus usage Big companies. | |||
| Which plan to pick | 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. | Try the free MozBar and Domain Authority checks first. If you want rank tracking and site audits for one business, Standard is the sensible plan, and paying yearly saves about 20%. Plan limits change often, so compare them on Moz's pricing page before you buy. | 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
| Attribute | Microsoft Clarity | Moz | PostHog |
|---|---|---|---|
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Pros and cons
| Attribute | Microsoft Clarity | Moz | PostHog |
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Who each one is for
| Attribute | Microsoft Clarity | Moz | PostHog |
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Questions people ask
Which is better, Microsoft Clarity, Moz or PostHog?
Microsoft Clarity scores highest overall in our ratings (Microsoft Clarity 4.3/5, Moz 3.9/5 and PostHog 4.2/5). Microsoft Clarity is best for finding checkout drop-offs and watching real user sessions. Moz is best for Checking Domain Authority and backlinks and keyword research for beginners. PostHog is best for seeing how people use your app and finding where sign-ups and checkouts drop off.
Which is cheaper, Microsoft Clarity, Moz or PostHog?
Microsoft Clarity: It's free to use. Moz: There's no free plan. Paid plans start at $49/mo. PostHog: There's a free plan, and paid plans start at $0/mo base.
Which is easier to use, Microsoft Clarity, Moz 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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