Open sourcePlausible is the only one of the two you can run on your own server.
yes · AGPL · self-hostable
no · proprietary
Pricing modelPlausible is cheaper at every comparable tier; the gap widens at scale.
tier-based by pageviews · $9 → $19 → $69+
tier-based by pageviews · $14 → $44 → $94+
Pageviews on entry tierFathom's entry tier includes 10× the pageviews. For sites just over 10k/mo, Fathom's $14 beats Plausible's next tier ($19).
10k/mo on $9 plan
100k/mo on $14 plan
Privacy postureBoth are equivalent on privacy. Both ship the cookie-free banner-free pitch.
no cookies · GDPR/CCPA/PECR compliant
no cookies · GDPR/CCPA/PECR compliant
Dashboard / UXFathom's dashboard is the prettier one. Both are fast and clear.
clean · functional · slightly utilitarian
polished · designer-focused · easier to share
Multi-siteBoth let you track unlimited domains within the pageview budget.
unlimited sites on all plans
unlimited sites on all plans
Custom events / goalsBoth support custom event tracking. Slight UX differences but feature parity.
first-class · custom events + funnels
first-class · events + goals
Email reportsFathom's email reports are nicer to look at; both convey the same info.
weekly summary · per-site
weekly summary · per-site · slicker layout
API accessSelf-hosted Plausible gives you direct database access for custom queries.
REST API · stats API · self-host gives you direct DB
REST API · stats API
Data locationBoth are away from US data sovereignty if that matters. Pick whichever matches your residency requirements.
EU (hosted) · anywhere (self-host)
Canada · always