Plausible Analytics vs Stormly

Compare Plausible Analytics and Stormly on capabilities, jurisdiction, assurance, and fit for European buyers.

Both listed as alternatives to: Google Analytics

Logo: Plausible Analytics

Plausible Analytics

Estonia· Web Analytics

Needs review

Shortlist when you need cookieless website analytics with EU-owned visitor hosting, a lightweight script, AGPL transparency, and either managed Cloud or self-hosted CE. Skip when you need heatmaps/session replay, multi-day user-level product analytics, HIPAA/BAA, free forever hosted analytics, or zero non-EU SaaS anywhere in vendor ops—consider Matomo-class (e.g. Friendly Analytics / Piwik PRO), Pirsch, or Simple Analytics depending on depth vs simplicity.

Cookieless by designEU-owned visitor hostsAGPLv3 open sourceSelf-host CEDPA automaticLightweight script
Logo: Stormly

Stormly

Netherlands· Web Analytics

Needs review

Shortlist Stormly when you need Dutch-contracted, e-commerce-first product analytics: SKU-aware report packs, Shopify/Adobe-oriented setup, inbox-style AI anomaly narratives, and a public DPA. Skip when you need cookieless privacy web stats only (consider Plausible, Simple Analytics, or Pirsch), open-source self-hosting, verified ISO/SOC on a public cert page, or a subprocessor chain free of US-group cloud and Azure OpenAI.

E-commerce product analyticsSKU-aware reportsAI anomaly insightsShopify / Adobe CommerceNL entity + public DPASaaS (not self-host)
Plausible Analytics vs Stormly: Snapshot
FeatureLogo: Plausible AnalyticsPlausible AnalyticsLogo: StormlyStormly
Country of originEstoniaNetherlands
CategoryWeb AnalyticsWeb Analytics
Open sourceYesNo
Self-hostedYesNo
HeadquartersEstoniaNetherlands
Legal entityPlausible Insights OÜ, Västriku tn 2, 50403 Tartu, EstoniaMonon B.V. (Lutmastraat 1-3, 1072 JL Amsterdam; KvK 76248747 per Terms)
Governing lawEstonian / EU law context for the OÜ; confirm contract terms for governing law clausesNetherlands (Dutch law; Amsterdam courts)
US parent / controlNo known US parentNo known US parent
CLOUD Act exposure (indicative)MediumMedium
Hosting / residencyVisitor analytics: Hetzner (Falkenstein, Germany), UpCloud (Finland, DB/exports), Bunny (Slovenia, CDN/DNS/DDoS)—European-owned; vendor states visitor data never leaves the EU. Customer-account subprocessors include Paddle (payments), Postmark (email), Gravatar, optional Google (GA import), Help Scout, Nolt; site tools may include hCaptcha, Algolia, Mailchimp. SCCs claimed for non-EU processors.Client analytics subprocessors (Security Architecture): Hetzner (EU); Amazon AWS (US company, vendor states EU regions only for encrypted analytics backups); Vultr (US company); Microsoft Azure OpenAI (US company, vendor states EU Azure region). Plans market EU data residency. Controller privacy policy also references Vultr/AWS for account data, AuthSMTP EU + Amazon SES USA for email, Stripe for payments; marketing site uses Google Analytics and Hotjar.
Summary

Estonian open-source, cookieless web analytics (AGPLv3): lightweight script, EU-owned hosting on Hetzner/UpCloud/Bunny, managed Cloud plus self-hosted Community Edition.

Dutch SaaS product analytics for e-commerce teams: SKU-aware reports, AI-assisted anomaly and root-cause insights, and Shopify/Adobe Commerce/Segment/GTM-oriented connections under Monon B.V. (Amsterdam).

Tags
At a glance: Plausible Analytics vs Stormly
At a glanceLogo: Plausible AnalyticsPlausible AnalyticsLogo: StormlyStormly
HQTartu, EstoniaNot listed
Legal entityPlausible Insights OÜ (reg. 14709274)Not listed
Visitor hostsHetzner DE; UpCloud FI; Bunny SINot listed
LicenseAGPLv3; Cloud + Community EditionNot listed
Commercial modelPageview-based Cloud SaaS; free CE self-hostFree tier + monthly plan + custom; trial path on paid
Tracking modelCookieless; daily rotating hash; no PII storedNot listed
HQ / entityNot listedMonon B.V., Amsterdam, Netherlands
CategoryNot listedE-commerce product analytics (SaaS)
Hosting (public)Not listedHetzner; AWS EU-region backups; Vultr; Azure OpenAI EU region (vendor docs)
Open sourceNot listedNo
Self-hostNot listedNo
Governing lawNot listedDutch law; Amsterdam courts
Key capabilities: Plausible Analytics vs Stormly
Key capabilitiesLogo: Plausible AnalyticsPlausible AnalyticsLogo: StormlyStormly
Cookieless by designYesNot listed
EU-owned visitor hostsYesNot listed
AGPLv3 open sourceYesNot listed
Self-host CEYesNot listed
DPA automaticYesNot listed
Lightweight scriptYesNot listed
E-commerce product analyticsNot listedYes
SKU-aware reportsNot listedYes
AI anomaly insightsNot listedYes
Shopify / Adobe CommerceNot listedYes
NL entity + public DPANot listedYes
SaaS (not self-host)Not listedYes

Plausible Analytics

  • Cookieless measurement with daily rotating visitor hash

    No cookies, localStorage, or persistent IDs. Uniques use hash(daily_salt + domain + IP + UA); salt rotates every 24 hours and raw IP/UA are never stored—so analytics can often run without a consent banner, at the cost of no multi-day user stitching.

  • Lightweight script and single-page traffic dashboard

    Vendor claims a script ~54× smaller than Google Analytics with real-time updates (~30s), sources, pages, devices, UTM channels, scroll-depth goals, and optional Google Search Console import—built for marketers who refuse GA4 report complexity.

  • Goals, custom events, funnels, and revenue on Cloud

    Codeless page goals, file downloads, outbound clicks, custom events/properties, AI-referral traffic views, and (on higher Cloud plans) funnels, user journeys, and ecommerce revenue attribution—not session replay or in-app product analytics.

  • EU-owned visitor hosting (Hetzner, UpCloud, Bunny)

    Cloud visitor data is processed on European-owned infrastructure: Hetzner (Germany), UpCloud (Finland), Bunny CDN (Slovenia). Plausible states visitor data never leaves the EU and is not stored on US hyperscalers.

  • AGPLv3 open source with Community Edition self-host

    Full codebase on GitHub; free CE for self-host (long-term releases ~twice yearly). Cloud-only features include advanced bot filtering, funnels/journeys, ecommerce revenue, SSO, and Sites API—self-host ops, backups, and upgrades are yours.

  • Automatic DPA, Stats API, exports, and enterprise SSO

    Public DPA applies to Cloud customers by use; CSV export and Stats API for BI; Business/Enterprise add higher API limits, raw event exports, managed proxy, and SAML SSO (Google Workspace, Okta, Microsoft Entra ID per docs).

Stormly

  • AI agent for trends, anomalies, and root-cause style digs

    Stormly positions an AI agent that watches connected e-commerce data for trends and anomalies (for example conversion drops or product spikes), then delivers plain-language findings—often to the inbox—with root-cause style exploration for questions like mobile conversion drops or regional return spikes. AI assistant access is plan-dependent; the public DPA documents Azure OpenAI (Microsoft) handling of assistant queries with a 30-day retention window and property stripping rules. Best for merchandising and growth leads who want narrative answers without waiting on a data team.

  • SKU-aware e-commerce report library (plus custom builds)

    Ready reports target commerce questions: New Arrivals Performance (early SKU winners/laggards), Unviewed & Unsold Products, cart abandonment and revenue contribution by product/category, Conversion Journey and funnels by device/region, A/B test insights, Aha Moment Discovery, cross-selling analysis, and broader library items (retention, CLV, forecasting, SQL report, and more). Vendor materials state custom reports are included without a separate fee when a needed view is missing—useful for mid-market retailers that outgrow generic event charts.

  • Shopify, Adobe Commerce, Segment, and GTM-oriented connections

    Homepage setup emphasizes linking Shopify, Adobe Commerce, or Segment quickly, with Google Tag Manager also listed among integrations. The DPA describes additional programmatic paths (JS library, import, custom endpoints, third-party sources). Fits stores already on common commerce stacks; teams on exotic storefronts should validate event coverage and product-feed depth in a pilot before replacing an existing analytics stack.

  • End-user tracking with IP anonymization defaults

    Per the DPA, IP addresses for end-user analytics are not stored in full: the last octet is removed and geo/timezone are derived from the anonymized value. Web integrations automatically capture first-party cookie user ids, page/referrer/UTM context, and device metadata; app properties depend on client or CDP configuration. This is still full product analytics (not cookieless aggregate-only web stats)—clients remain responsible for consent banners and lawful basis for shopper tracking.

  • Public DPA, security architecture, and Dutch contracting

    B2B buyers can download a Data Processing Agreement (effective 2023-09-06) and a Security Architecture page listing subprocessors, encryption expectations, backup retention (analytics backups up to six months), and logical tenant isolation. Contracts and DPA are governed by Dutch law with Amsterdam courts. Useful for EU procurement packages—but US-group subprocessors (AWS, Vultr, Azure OpenAI) still require transfer and CLOUD Act diligence.

Assurance & compliance: Plausible Analytics vs Stormly
Assurance & complianceLogo: Plausible AnalyticsPlausible AnalyticsLogo: StormlyStormly
Independent security / no-logs audit
Not found

Open-source code and security overview published; no public independent pen-test or no-logs audit PDF found on compliance/security pages.

Not found

Security Architecture describes encryption, monitoring, isolation, and vulnerability contact (security@stormly.com); no public third-party audit PDF found.

ISO 27001
Not found

No ISO 27001 claim located on security or compliance hub pages reviewed.

Not found

No public ISO 27001 certificate located on official legal/security pages reviewed.

SOC 2 / SOC 3
Not found

No SOC 2/3 claim located on security or compliance hub pages reviewed.

Not found

No public SOC 2/3 report located on official pages reviewed.

GDPR / EU data protection
Vendor claimed

EU entity; cookieless non-PII design; public data policy, DPA, and vendor-published legal assessment on GDPR/ePrivacy positioning.

Vendor claimed

NL entity; public privacy policy and DPA (GDPR-oriented); IP last-octet anonymization for end-user analytics; SCCs language for restricted transfers in DPA.

US CLOUD Act exposure (indicative)
Partial

Estonian OÜ, no known US parent; visitor data on EU-owned Hetzner/UpCloud/Bunny. Partial/medium because customer-account subprocessors include US-oriented SaaS (e.g. Postmark, Help Scout, Gravatar, optional Google). Indicative only—not legal advice.

Partial

EU entity / no known US parent, but public client subprocessors include AWS, Vultr, and Microsoft Azure OpenAI (US-group companies). Account path historically also lists Amazon SES and Stripe. Residency claims do not remove US-group legal exposure. Indicative only—not legal advice.

Data processing agreement (B2B)
Vendor claimed

Public DPA applies automatically to Cloud customers by use of the service; lists processor duties and 48-hour breach notification target.

Vendor claimed

Downloadable DPA PDF linked from stormly.com/dpa (effective 6 September 2023); audit rights and subprocessor notice described; Security Architecture lists subprocessors.

EU AI Act
Not applicable

Website analytics product; not marketed as an AI system under the AI Act.

Partial

Product includes an AI assistant via Azure OpenAI; not positioned as a high-risk AI system marketing claim. Buyers should map AI assistant use to their own AI Act / internal AI policy—vendor does not publish a full AI Act conformity package on the pages reviewed.

Considerations & known limitations: Plausible Analytics vs Stormly
Considerations & known limitationsLogo: Plausible AnalyticsPlausible AnalyticsLogo: StormlyStormly
US-linked customer-account subprocessors
Medium

Visitor metrics stay on EU-owned hosts, but billing, email, support, and optional integrations use providers such as Postmark, Paddle, Help Scout, Gravatar, and Google—material for zero-US-processor policies.

Not listed
No public ISO 27001 / SOC 2
Medium

Compliance hub emphasizes product design and EU hosting rather than ISO/SOC certificates; orgs with mandatory cert checklists must request evidence or accept open-source + DPA packaging.

Not listed
Self-host CE feature and release lag
Low

CE is free but long-term releases (~twice yearly) and omits Cloud-only funnels, journeys, ecommerce revenue, SSO, and advanced bot filtering—ops burden sits with you.

Not listed
No multi-day user identity or replay
Low

Daily hash resets prevent cross-day visitor stitching by design; heatmaps/session replay are out of scope—teams needing those must add other tools.

Not listed
Misconfiguration can reintroduce personal data
Medium

Passing emails, patient IDs, or other identifiers in URLs or custom properties undermines the non-PII model; vendor also states no HIPAA/BAA.

Not listed
US-group cloud and AI subprocessorsNot listed
Medium

Despite Dutch HQ and EU residency marketing, client data paths publicly include AWS, Vultr, and Microsoft Azure OpenAI. Transfer tooling (SCCs) and encryption of backups are documented, but CLOUD Act / US legal process risk remains a diligence item for sovereignty-sensitive buyers.

No public ISO/SOC or independent auditNot listed
Medium

Enterprise security questionnaires may stall without ISO 27001/SOC 2 packs. DPA offers information/audit rights—plan time for NDA evidence requests.

Azure OpenAI retains assistant context 30 daysNot listed
Medium

AI queries and aggregate report results are stored on Microsoft Azure OpenAI for 30 days per DPA. Property stripping reduces some identifiers, but misconfigured event properties could still expose sensitive content—govern AI use and property hygiene.

Controller privacy policy vs security architecture driftNot listed
Low

Privacy policy (controller, effective 2019) still emphasizes Vultr USA wording in places, while Security Architecture (client data) lists Hetzner/AWS/Vultr/Azure. Ask for a single current subprocessor and region matrix at contract time.

Not a privacy web-analytics substituteNot listed
Low

Full product analytics with cookies/identifiers for web integrations—not a cookieless aggregate counter. Consent UX remains on the client.

Fit

Plausible Analytics

Best fit when

  • Teams replacing GA4 who want aggregate marketing metrics without cookies or user profiles
  • EU orgs that require visitor analytics on European-owned infrastructure (Hetzner/UpCloud/Bunny)
  • Sites that prioritize script weight, Core Web Vitals, and a one-page dashboard
  • Buyers who want AGPL auditability and optional Community Edition self-host exit
  • Agencies and multi-site operators needing shared links, team seats, and pageview-tiered Cloud plans
  • Procurement paths that value a public DPA, data policy, and subprocessor list over ISO/SOC certificates

Poor fit when

  • Product analytics needs: multi-day user identity, cohorts, retention, feature experiments
  • UX research that requires heatmaps, session replay, or rage-click recording
  • Healthcare or other programs that require HIPAA and a BAA (explicitly not offered)
  • Buyers who need free forever hosted analytics with no subscription
  • Orgs that forbid any US-linked SaaS in vendor account tooling (Postmark, Help Scout, etc. are listed)

Consider instead when

  • When: You need Matomo-depth features (heatmaps, session recording, heavy on-prem packaging)

    Consider: Friendly Analytics, Piwik PRO, or self-hosted Matomo

    Trade Plausible’s minimalism for plugin breadth and different operators.

  • When: You want a lean EU privacy analytics peer with a different stack or license posture

    Consider: Pirsch Analytics or Simple Analytics

    Compare hosting ownership, funnels/ecommerce gates, and self-host options side by side.

  • When: You only need edge-level basic counts and already run Cloudflare

    Consider: Cloudflare Web Analytics

    Simpler install path; US company and thinner marketing analytics surface.

  • When: You need free hosted analytics and accept Google’s data practices

    Consider: Google Analytics

    Different legal and commercial model—not an EU privacy substitute.

Stormly

Best fit when

  • Merchandising, product, UX, and growth teams on Shopify or Adobe Commerce who need SKU, cart, and assortment analytics without a dedicated data science org
  • Retail brands that want ready e-commerce report templates (new arrivals, unviewed/unsold, funnels, A/B, aha moments) plus vendor-built custom reports
  • EU buyers who want a Dutch legal entity, Amsterdam courts, and a downloadable DPA/Security Architecture package
  • Teams that value AI-generated trend/anomaly narratives delivered to the inbox more than building every chart from a blank event schema
  • Stacks already using Segment or Google Tag Manager as the event pipe into analytics

Poor fit when

  • Publishers or marketing sites that only need lightweight privacy-friendly page analytics (not product/SKU depth)
  • Orgs that require open-source self-hosting or full control of a private analytics warehouse as the default
  • Procurement policies that forbid US-group subprocessors (AWS, Vultr, Microsoft Azure OpenAI) even when EU regions are claimed
  • Assurance programs that require public ISO 27001/SOC 2 evidence before pilot (not found on vendor pages reviewed)
  • Companies operating blockchain products/services—restricted by Stormly’s terms

Consider instead when

  • When: You only need privacy-oriented website metrics (pageviews, sources) rather than SKU-level product analytics

    Consider: Plausible Analytics, Simple Analytics, or Pirsch Analytics

    EU web-analytics peers; different category from e-commerce product analytics

  • When: You need deep general-purpose product analytics, large ecosystem, and mature multi-product SaaS event modeling

    Consider: Mixpanel or Amplitude

    US incumbents; stronger breadth, different jurisdiction and commercial model

  • When: You primarily need free/universal marketing acquisition reporting already embedded in the stack

    Consider: Google Analytics (incumbent) or dual-run GA for marketing + Stormly for product/merch

    GA is not SKU-first product analytics; Stormly is not a GA replacement for every report

Open questions for due diligence

Plausible Analytics

  • Which exact customer personal data categories does each account subprocessor (Postmark, Paddle, Help Scout, etc.) receive in production?
  • Can Enterprise contracts exclude optional integrations (Google, Help Scout) or pin subprocessor lists for regulated buyers?
  • Are independent pen-test reports or ISO/SOC roadmaps available under NDA?
  • What are contracted RPO/RTO and backup locations beyond the high-level Hetzner/UpCloud description?
  • For CE self-host: which Cloud-only features remain permanently out of CE versus merely delayed on the long-term release train?

Stormly

  • Can Stormly provide a current region map (which data classes live on Hetzner vs Vultr vs AWS) under NDA for our DPIA?
  • Are ISO 27001, SOC 2, or penetration-test summaries available on request for enterprise security review?
  • Which event properties from our Shopify/Adobe feed are excluded from Azure OpenAI prompts by default in our tenant?
  • Do custom report builds and SQL access sit only on the custom tier, and what SLAs apply?
  • Has the 2019 controller privacy policy been superseded for hosting wording relative to the Security Architecture list?