Varify.io
Varify Software GmbH · Germany · since 2019
German flat-rate A/B testing platform for mid-market shops and CRO agencies that already run GA4 and refuse to pay per tracked user, results are read from your own analytics stack.
Best for GA4-first teams that do their statistics in the warehouse, not in the tool
The verdict
Varify has the cleanest data-export story here and the weakest engine behind it. Because measurement is GA4-native and pushes on to BigQuery, PostHog and Matomo, the raw numbers already live in your own warehouse and can never disagree with your analytics, which is exactly what a benchmarking exercise needs. The statistics are another matter: one-sided frequentist testing is the default on every plan, two-sided tests and Bayesian analysis are Pro-only, there is no sequential or always-valid inference, and there is no sample-size planner inside the product.
Rating by Drip Trading GmbH, the company behind Apex by Drip. How we rate and weight
Strengths
- Flat rate with unlimited monthly tracked users on every plan, removes the biggest cost driver of VWO/Convert/Optimizely-class tools for high-traffic shops.
- No second source of truth: results are computed in your own GA4, BigQuery, PostHog or Shopify data, so testing and analytics numbers cannot disagree.
- Strong EU privacy story: German entity, AWS Germany, cookieless by default, DPA included, documented Consent Mode setups.
- Fast-moving public roadmap: server-side API (Apr 2026), MCP server (Jul 2026), Shopify checkout app, Adobe Analytics integration.
- Highly rated in DACH: 4.8/5 from 103 OMR reviews, with support quality named repeatedly.
Weaknesses
- One domain per plan on every tier, multi-brand and multi-country setups must negotiate "on request", even on Enterprise.
- Tight entry plan: Growth caps at 5 active experiments and locks Bayesian stats, CSV export, APIs and staging environments behind Pro.
- The default statistics are the aggressive option: one-sided tests ship as default, and two-sided tests require Pro, the cheapest plan is the most likely to over-call winners.
- No sequential/always-valid testing and no sample-size planner, peeking discipline rests on advice, not math.
- AI features and Shopify checkout testing are metered extras: AI credits sold separately, checkout app $119/month on top and Shopify Plus only.
- No SOC 2 or ISO 27001 certification yet, which blocks some enterprise procurement.
The facts
| Statistics | One-sided frequentist by default (all plans); two-sided tests and Bayesian with runtime forecast are Pro-only. No sequential/always-valid inference and no in-product sample-size planner. |
| Shopify | Storefront testing via snippet (no app needed); Shopify order/revenue import into the dashboard. Checkout testing needs the separate "Varify: Checkout A/B Testing" app, $119/month extra and Shopify Plus only. |
| Privacy & hosting | German company, AWS hosting in Germany (Frankfurt). No cookies by default (local/sessionStorage), no personal data beyond IP, DPA with TOMs, documented Google Consent Mode V1/V2 setups. Not SOC 2 certified (roadmap: 54%). |
| Pricing | Growth €249/mo (€199 paid annually), Pro €349/mo (€249 annually), Enterprise from €499/mo, unlimited tracked users on every plan, but only 1 domain. 30-day free trial, no credit card. |
Sources
- Pricing table, plan limits, feature matrix: https://varify.io/en/plans/ (accessed 2026-09-01)
- Statistics methods: https://varify.io/en/userdocumentation/significance-calculation/ (accessed 2026-09-01)
- Hosting Germany, cookieless, DPA: https://varify.io/en/information-about-data-protection/ (accessed 2026-09-01)
- Checkout app $119/mo, 5.0/2 reviews: https://apps.shopify.com/varify (accessed 2026-09-01)
- Server-side API: https://varify.io/en/userdocumentation/server-side-a-b-testing/ (accessed 2026-09-01)
- SOC 2 at 54%, roadmap items: https://varify.io/en/varify-io-roadmap/ (accessed 2026-09-01)
- OMR rating 4.8/103: https://omr.com/en/reviews/product/varify-io (accessed 2026-09-01)