European A/B Testing Software
European A/B testing and experimentation platforms for optimizing conversions, landing pages, and user experiences. These tools run experiments on EU-hosted infrastructure, keeping visitor behavioral data within European jurisdiction. Key considerations when choosing: statistical rigor, visual editor quality, server-side testing support, and integration with your existing analytics stack. 6 tools listed.

ABlyft
German A/B testing platform from Conversion Expert GmbH in Kiel that stores no personal data by design, aggregating results with no IPs or user IDs, hosted entirely in Germany.

Unleash
Open-source feature management platform from Bricks Software AS in Oslo, Norway, with a free self-hosted tier, SOC2/ISO27001-certified hosted Enterprise plans, and a customer choice between EU and US data residency.

PostHog
US-owned open-source product analytics with session replay, feature flags and experiments. EU Cloud runs in Frankfurt, but the parent is American.

Convert Experiences
Dutch privacy-focused A/B testing platform with no personal data storage.

AB Tasty
French A/B testing and personalization platform with EU data hosting.

Kameleoon
French experimentation and personalization platform. Full GDPR compliance.
A/B Testing compliance at a glance
- European-owned
- 5 of 6
- Hosting data in the EU
- 5 of 6
- Published DPA located
- 2 of 6
- Checked against vendor docs
- 2 of 6
Headquartered in: France (2), Germany (1), Netherlands (1), United States (1), Norway (1).
1 listed here is not a European company. They are included because they can be used lawfully in the EU, we label the distinction rather than hide it.
European a/b testing software: common questions
Which a/b testing tools host data in the EU?
5 of the 6 a/b testing tools listed here host data within the EU: AB Tasty, ABlyft, Convert Experiences, Kameleoon, PostHog. A further 1 offer an EU region on some plans.
Which a/b testing tools are European-owned?
5 of 6 are European-owned (AB Tasty, ABlyft, Convert Experiences, Kameleoon, Unleash). The remainder (PostHog) are listed because they are usable under GDPR, but they are not European companies, and we label them that way rather than hiding it.
Do these a/b testing tools offer a Data Processing Agreement?
We located a published DPA for 2 of 6: Convert Experiences, PostHog. Article 28 GDPR requires one whenever a provider processes personal data on your behalf. The others may still provide one on request. Many do not publish it.
What a DPA has to cover βWhere are these a/b testing companies based?
Across 5 countries: France (2), Germany (1), Netherlands (1), United States (1), Norway (1).