EU Sovereignty Score
Self-hosted / open sourceFeature Flagging & ExperimentationHeadquarters: US

Switchbox: sovereignty score and 8 European alternatives

Switchbox is a feature flag service for small teams and solo developers. It offers gradual rollouts, targeting rules, kill switches, a Playground that traces how a flag resolves, an audit log, and anonymous analytics on which values are served. An MCP server lets coding agents create flags. The service is OpenFeature compatible, with official providers for JavaScript, React and Python. Flag configurations are served as static JSON from Cloudflare's edge network; the SDKs evaluate flags locally and poll for changes.

According to the website, Switchbox is designed, run and supported by one person. The site does not state where the business is based or in which region the configuration is hosted; delivery runs through Cloudflare. The SDKs are open source, including the Python SDK on GitHub; the licence of the service itself is not stated. Because the SDKs evaluate locally, the application does not need to send a request to Switchbox for each evaluation. European organisations should ask the provider about its place of establishment and processing location before adopting it.

Sovereignty score
71 / 1000 = high exposure
100 = sovereign
  • Jurisdiction SOV-210
    Headquartered in the US: CLOUD Act and FISA 702
  • Data residency SOV-3100
    Hosting inside and outside Europe (EU, OTHER)
  • Cryptographic key sovereignty SOV-390
    Self-hostable: encryption keys under your own control
  • Freedom from lock-in SOV-680
    Open source: low switching costs
  • Source & runtime sovereignty SOV-4 · SOV-675
    Source code auditable, forkable and self-hostable

SOV codes: the matching objective in the European Commission's Cloud Sovereignty Framework. Official source

How the score is calculated

Facts and evidence

Last checked October 5, 2026
HeadquartersUS (US)Verified by hand
EU adequacy decisionOnly for companies individually certified under the EU-US Data Privacy FrameworkVerified by hand
Sovereignty modelOpen-source, distributedVerified by hand
Data hostingEU, OTHERVerified by hand
Open-sourceYesVerified by hand
GDPR-compliantYesVendor-stated
CategoryFeature Flagging & Experimentation
TypeProduct
Websiteswitchbox.dev ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Switchbox

The European alternatives to Switchbox come from our knowledge base of over 6,200 vendors. We only list vendors headquartered in the EU or the EEA; fully European-owned vendors rank before vendors with a foreign owner. For each alternative you see the country, the open-source status and a short description.

Score per alternative: 0 = high exposure, 100 = sovereign

12 European Feature Flagging & Experimentation vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

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Why digital sovereignty matters with Switchbox

Switchbox is headquartered in the United States. US vendors fall under the CLOUD Act and FISA 702: US authorities can compel access to data, even when that data sits in a European data centre. That is the core of the jurisdictional exposure in our model.

Switchbox hosts data in EU, OTHER. Exactly what stays within the EU — and what does not — is defined by the vendor's data processing agreement and sub-processor list, not by a setting you control yourself; check those documents for the precise scope, including backups, logs and support access.

Switchbox is open source. You can audit the source code, self-host the software and keep the encryption keys under your own control. Switching is easier because data and software are not tied to a single party.

What this means for your organisation depends on your whole stack and context. The free assessment weighs Switchbox together with your other vendors and gives a total score, a heatmap and the main risk drivers.

Frequently asked questions

What is the best European alternative to Switchbox?

It depends on your use case. Strong EU alternatives to Switchbox include AB Tasty, ABsmartly and Reflag (Bucket). On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Switchbox?

Yes. Open-source EU alternatives to Switchbox include ConfigCat and FeatBit. These keep your data fully under your own control and let you self-host if you want to.

Is Switchbox GDPR-compliant and where is the data hosted?

Switchbox is headquartered in US and hosts data in EU, OTHER. The vendor states it is GDPR-compliant, but the data falls under non-EU jurisdiction. For full EU data residency the EU alternatives on this page usually offer more certainty.

Details and sources

Verified by handHeadquarters, owner, hosting locations and licence have been checked by us against public sources. Free of charge and for every vendor, not a paid label. Nothing in this knowledge base is taken over automatically. Last checked on October 5, 2026.

Sources

Public sources used in the latest check of this record.

Compliance evidence

The links below point to the vendor's own public documents. We only record what we found: a missing link means "not found publicly", not "not compliant".

No public compliance evidence has been recorded for this vendor yet. Do you know its DPA or subprocessor list? Something wrong? Suggest a correction

Digital sovereignty in Feature Flagging & Experimentation

Feature Flagging & Experimentation: Runtime feature toggles, gradual rollouts and A/B testing infrastructure for software teams. In this category the choice of vendor determines who has legal access to your data, where that data lives and how easily you can switch later.

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8 European alternatives to Switchbox — GDPR-compliant & EU-hosted · EU Sovereignty Score