Matomo vs Plausible

Yes, if you self-host. Matomo On-Premise is GPL-licensed and the core analytics platform — pageviews, goals, multi-site, segments, GA4 import — runs without any vendor fee. The actual cost shows up in three places: the server itself (a small VPS at $5-15/month is fine for under 500k pageviews), the time to install PHP, MariaDB, the geoip database, and the archive cron, and any premium plugins you want to add. Heatmaps, session recording, A/B testing, and form analytics are paid plugins that cost roughly $99-$199 per year each, even on self-host. If you stick to the free plugins, expect $10-20/month all-in for a small site. Matomo Cloud, by contrast, starts at $19/month and includes the premium plugins on most tiers.

No, and the team has been explicit that heatmaps will not ship as a Plausible feature. The reasoning is structural: heatmap and session replay tools record user interactions and DOM state, which conflicts with Plausible's no-cookies, no-personal-data architecture and would force a cookie banner back into the product. The recommended setup if you need heatmaps is to bolt on a separate tool — Hotjar, Microsoft Clarity (free), or PostHog — and accept that heatmap tool runs its own consent flow while Plausible handles the privacy-clean traffic numbers. Matomo's built-in heatmap plugin is the alternative if you want both inside one product, but you trade the cookieless default for that consolidation.

Matomo's GA4 importer is the more thorough of the two. It pulls historical pageviews, sessions, events, custom dimensions, goals, and ecommerce data through the GA4 Data API and reconstructs them inside Matomo's schema, so reports stretch backwards through your GA4 history. Plausible's GA4 import is intentionally lighter — it brings in pageviews, top pages, top sources, and country breakdowns, but does not attempt to recreate GA4's full event model because Plausible's schema is simpler. If you need to keep historical funnel and conversion data continuous across the migration, Matomo handles it. If you are content to start a clean baseline on Plausible and reference GA4 read-only for old data, Plausible's lighter import is enough.

Plausible is cookieless out of the box: install the script tag, you are done, no cookie banner needed under GDPR or PECR (verify with your DPO, but the architecture supports the claim). Matomo requires three configuration steps to reach the same posture. First, in Settings → Privacy, enable 'Anonymize visitors' IP addresses' and mask at least 2 octets. Second, switch the visitor heuristic from 'cookies' to 'ConfigID without cookies' in the same panel. Third, in your tracking snippet add `_paq.push(['disableCookies']);` before the trackPageView call. After those three changes, Matomo passes the same compliance tests Plausible passes by default. The flexibility is the cost: if anyone on your team reverts a setting, the cookie banner requirement comes back and you may not notice for months.

Plausible has the smaller surface area but the heavier stack. The runtime is one Elixir release behind a load balancer, plus PostgreSQL for app data and Clickhouse for events. Once it is running, there are few moving parts and upgrades are usually a Docker image bump. The catch is Clickhouse: if you have never operated it, the first time you need to debug a slow query or restore a snapshot is going to cost a day. Matomo's stack is more familiar — PHP, MariaDB, nginx — and almost any hosting provider can run it, but the maintenance work is steadier: PHP version bumps every 18 months, the archive cron needs monitoring, and the plugin ecosystem occasionally ships an update that breaks a report. Net: Plausible is easier in steady state, Matomo is easier to recover when something goes wrong.

Matomo, decisively. Matomo was built around the multi-site case: one installation hosts unlimited sites, each with its own tracking ID, its own goals, its own permissions, and a roll-up dashboard at the account level for agency or portfolio owners. Role-based access control is granular — you can give a freelancer access to one site's reports without exposing the rest. Plausible's multi-site model is simpler: each site is a separate entry, the dashboard switches between them, and team-member permissions are coarser. For an agency managing 30+ client sites, Matomo's account model saves real time. For a small business with two or three properties, Plausible's switcher is fine.