As of 6 Nov 2026, the panel rates NetBird 2/5 and Tailscale 3.5/5 in Business VPN & Zero Trust Access. Weighted by what each judge cares about, 0 of the 6 judges pick NetBird and 6 pick Tailscale. NetBird scores higher on 1 of 7 criteria (European sovereignty). Tailscale scores higher on 6 of 7 criteria (Access model & connectivity, Identity, access policy & device posture, Pricing transparency, plus 3 more). Provenance — NetBird: EU-Made; Tailscale: Rest of world. Ratings are the AI panel’s opinion, formed from public evidence: how scores are made.
Tailscale takes the lean from six of six judges on access and connectivity at 7.8 versus 3.3, identity and policy at 8.0 versus 3.5, visibility and audit at 7.2 versus 1.3, deployment and administration at 7.2 versus 3.3, architecture and assurance at 7.0 versus 5.2, and pricing transparency at 6.5 versus 2.0. Weighted totals: Tailscale 6.5–7.3, NetBird 3.4–4.9. Sovereignty is the exception — NetBird's 7.3 versus 3.8 draws six of six leans on EU/EEA personal-data processing, AWS hosting restricted to EU/EEA servers and published subprocessor locations, though authentication runs through Auth0 in the USA under standard contractual clauses; Tailscale's verdict records a US contracting chain, processing in Canada, Germany, the United States and the United Kingdom, and no public information on EU hosting. NetBird's judges themselves split 0–4 on visibility and audit and 2–5 on deployment and administration. We declare no overall winner: those opposite leans are the answer.
Choose NetBird if
You need personal data processed in the EU/EEA and application hosting on AWS restricted to EU/EEA servers — the sovereignty column leans six of six toward NetBird (7.3 versus 3.8).
Your compliance review requires subprocessors published with locations and a referenced data processing agreement — NetBird's verdict records both.
You contract under German law with a Berlin-based vendor — NetBird GmbH of Berlin contracts under German law.
You can accept user authentication running through Auth0 in the USA under standard contractual clauses in exchange for EU/EEA data processing.
Choose Tailscale if
You need default-deny access control with MFA inherited from your own identity provider and SCIM group sync — identity and policy leans six of six toward Tailscale (8.0 versus 3.5).
You need public per-user prices before committing — pricing transparency leans six of six toward Tailscale (6.5 versus 2.0); Personal is $0, Standard $8 per user per month, Premium $18 per user per month, Enterprise is contact sales.
Your team runs site connectivity through subnet routers and wants an API on every plan — access and connectivity (7.8 versus 3.3) and deployment and administration (7.2 versus 3.3) each lean six of six toward Tailscale.
You need tamper-detectable double logging and traffic-event visibility, and a fixed 90-day configuration-log cap meets your retention needs — visibility and audit leans six of six toward Tailscale (7.2 versus 1.3).
You need SOC 2 Type II attestation and published cryptography detail, and audits available on request fit your process — architecture and assurance leans six of six toward Tailscale (7.0 versus 5.2).
Read this comparison as one judge. Each weighs the same scores by what they care about.
The Skeptic
Has seen "zero trust" on a VPN that still drops every user into the whole office network, "no logs" from a vendor that keeps every connection for a year, and a remote access tool that locked out the whole company when its own control plane went down. Asks who can see the traffic and the metadata, what keeps working when the vendor is offline, whether the audit was published or only announced — and whether the network could be moved to a self-hosted server.
NetBird
Tailscale
This judge's pick
Criterion by criterion
Access model & connectivity
NetBird
The terms describe optional hosted proxy services connecting devices, networks and the public internet on a shared, best-effort basis with quotas and fair-use, and documentation pages cover how the agent network works and site-to-site links. We found no captured facts on client platforms, split tunnelling, gateway locations, or access scoped per resource.
Tailscale
The captured pages document a WireGuard peer-to-peer mesh with DERP relays as fallback, clients for Linux, macOS, Windows, iOS, Android, Chromebooks and more, subnet-router site-to-site links into cloud networks with high-availability and fail-close behaviour stated, split tunnelling, exit nodes, MagicDNS and split DNS, and default-deny per-resource access. What I could not find: named relay regions, always-on or auto-connect, or any documented exit path to run the same network on a self-hosted coordination server. To the vendor's credit, traffic stays end-to-end encrypted even through relays and the relay code is open source.
Identity, access policy & device posture
NetBird
Documentation covers groups and access policies, posture checks and Microsoft Entra ID SCIM sync, and the trust page lists role-based access control and multi-factor authentication. We found no captured facts on just-in-time access, session re-authentication, or which EDR or MDM tools the posture checks read from.
Tailscale
Identity is outsourced to the customer's own provider over SAML or OIDC, with MFA inherited, SCIM group sync, default-deny grants and ACLs with tests, GitOps policy management, device posture from operating-system, EDR and MDM sources, and just-in-time access tied to posture attributes with configurable re-authentication periods. For the top of the scale I would want documented emergency revocation and every connection decision explainable from the logs, and I found no public information on either.
Logs, audit trail & incident response
NetBird
Documentation pages for traffic event logging and for streaming events are the whole of what the captures show on this. We found no stated retention period for connection logs, no admin configuration audit log, and no statement of what traffic data is or is not recorded.
Tailscale
Configuration audit logs run on all plans with actor, action, target and time plus full policy diffs, network flow logs record node-to-node activity while strictly excluding packet contents, both stream to named SIEM tools or S3 and private endpoints, and double logging on source and destination makes tampering detectable. The caps are real though: ninety days fixed retention that cannot be extended in-product, failed logins live only in the identity provider, support-initiated changes are stated not to be logged, and I found no public information on alerts for unusual access.
Deployment, API & administration
NetBird
API documentation, a self-hosted quickstart, support via Slack, GitHub and a status page, defect reports by email, and an indeterminate contract with self-service cancellation on 14 days' notice are all public in the captures. We found no captured facts on MDM-based client rollout, administrator roles, or running several tenants or organisations in one account.
Tailscale
A central console, a REST API available on every plan with scoped tokens and delegated trust credentials, detailed Jamf deployment guidance, centrally and MDM-managed updates across stable and unstable build tracks, four administrator roles, multiple tailnets under one organisation, Terraform for PAM resources, webhooks, and support tiers with 24/7 severity-one coverage at the top. The self-hosted question is where it stops: I found no public information on an on-premises edition, and reseller or per-tenant billing for service providers is likewise not described.
Architecture, reliability & security assurance
NetBird
The trust page lists an official ISO 27001 certificate with its audit report, a 2025 penetration test report and SOC 2 Type II whose document on file is a letter of intent, and architecture and high-availability documentation pages exist. The captured pages give different pictures on source code: the imprint shows an open-source badge with 30.7k stars, while the terms state the source code will not be disclosed. We found no whitepaper on what the vendor can see, no bug bounty, and terms allowing the tool to be declined up to two hours weekly with no availability figure captured.
Tailscale
The vendor publishes what the coordination server and relays actually see — public keys and connection metadata, not traffic — names its protocols and ciphers, keeps private keys on the nodes, open-sources the node and relay code, and states that existing connections survive a coordination-server outage while relay regions fail over independently; SOC 2 Type II and third-party penetration tests are stated. But the Latacora audits are available on request rather than published, the vendor itself states it runs no bug bounty programme, and I found no public information on a status page, incident history or availability SLA.
European sovereignty
NetBird
NetBird GmbH is registered in Berlin, contracts under German law, and the privacy policy states processing in the EU/EEA with application hosting on named AWS infrastructure in Luxembourg limited to EU/EEA servers, alongside a public subprocessor list with locations and a referenced data processing agreement. Identity still runs through Auth0 in the US under standard contractual clauses, and the same privacy policy lists device hostnames among data shared with OpenAI for beta features while also stating no personal data is transmitted to OpenAI. We found no captured statement of where connection logs specifically reside, nor the published text of the data processing agreement.
Tailscale
The contracting chain is a Delaware corporation, processing is stated to occur in Canada, Germany, the United States and the United Kingdom with no statement of where the coordination plane or logs specifically live, while standard contractual clauses, an Article 27 EU representative and a published DPA with a subprocessor list and ten-day change notice provide safeguards. The captured pages give neither EU hosting on named infrastructure nor an EU contracting entity, subprocessor locations are not given, and I found no documented self-hosted edition that would keep every record on the customer's own servers.
Pricing transparency
NetBird
The public terms state that scope depends on the package, that reverse proxy features may carry usage-based pricing, bandwidth limits, quotas and fair-use, and that the contract runs indefinitely with monthly termination on 14 days' notice and self-service cancellation. The captured pricing page shows no price figures, and we found no per-user price, tier inclusions or seat minimums.
Tailscale
Tiers are public — a free Personal plan, Standard at $8 per user per month, Premium at $18 per user per month — with the tagged-resource add-on at $1 per month for every tagged resource beyond 50 included, per-plan ephemeral minutes, and plan gating stated for features like log streaming and posture attributes; taxes excluded and USD invoicing are stated in the terms. Enterprise and the ephemeral add-on are contact sales, and I found no public information on minimum seats or a minimum term, so the annual cost of a larger deployment is not computable from the captured pages alone.
Sovereignty, side by side
Dimension
NetBird
Tailscale
Legal entity
Not determined
Not determined
Hosting location
Not determined
Not determined
Hosting options
Not determined
Not determined
Open source
Not determined
Not determined
Data processing agreement
Not determined
Not determined
Transfer impact assessment
Not determined
Not determined
Facts, side by side
Only facts both products carry under the same definition — anything else would not be a fair row.
As of 6 Nov 2026, the panel rates Tailscale higher: 3.5/5 against 2/5. Weighted by what each judge cares about, 0 of the 6 judges pick NetBird and 6 pick Tailscale. Which one fits depends on the criteria that matter to you; the table on this page shows both side by side, and each judge’s reading has its own page. Both were scored by the same AI bench under the same rubric, from public evidence only, as the methodology describes.
Is NetBird or Tailscale European?
NetBird is European (EU-Made). Tailscale is not European by provenance (Rest of world). Provenance is read from each company’s own legal pages: who builds it and who owns it.
Do NetBird and Tailscale have a free plan?
As of 6 Nov 2026, Tailscale’s own pages state a free plan; NetBird’s pages as captured do not. Each product page links the pricing page it was read from.