Logseq

Open source privacy-first knowledge graph and note-taking with local storage

Notion AI

AI-powered workspace for notes, wikis, projects, and content generation

Logseq

Strong

20/25

Notion AI

Strong

20/25

Score Breakdown

DimensionLogseqNotion AI

Data Residency

Where is your data stored and processed?

Logseq: Local-first by default — all data stored on user's device; optional sync service can be avoided entirely

Notion AI: EU data residency available for Enterprise customers; US hosting for lower tiers

5/5

Local-first by default — all data stored on user's device; optional sync service can be avoided entirely

4/5

EU data residency available for Enterprise customers; US hosting for lower tiers

Legal Jurisdiction

Which laws govern the company and your data?

Logseq: Local application; no data transmitted to vendor by default; user has full legal control over their data

Notion AI: US Delaware corporation; EU residency option reduces CLOUD Act exposure for Enterprise

5/5

Local application; no data transmitted to vendor by default; user has full legal control over their data

3/5

US Delaware corporation; EU residency option reduces CLOUD Act exposure for Enterprise

Data Retention & Training

Is your data used for model training?

Logseq: No vendor data retention at all in local mode; user controls all data lifecycle; no training possible

Notion AI: Customer data not used to train AI models; data retained per workspace settings

5/5

No vendor data retention at all in local mode; user controls all data lifecycle; no training possible

4/5

Customer data not used to train AI models; data retained per workspace settings

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Logseq: No vendor certifications — not applicable for a local-first open source tool

Notion AI: SOC 2 Type II, ISO 27001/17/18/701 all certified; AI included in scope

1/5

No vendor certifications — not applicable for a local-first open source tool

5/5

SOC 2 Type II, ISO 27001/17/18/701 all certified; AI included in scope

Regulatory Fit

Suitability for regulated industries and professional services

Logseq: Excellent for individual use in regulated settings; limited enterprise controls reduce team deployment suitability

Notion AI: Strong fit for EU organisations on Enterprise plan with data residency; good overall compliance posture

4/5

Excellent for individual use in regulated settings; limited enterprise controls reduce team deployment suitability

4/5

Strong fit for EU organisations on Enterprise plan with data residency; good overall compliance posture

Total Score

20/25

Best For

Logseq

Best for regulated industries (ICO, BaFin); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment; teams on a tight budget.

Notion AI

Best for organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, ISO 27017); regulated industries (ICO); privacy-conscious teams who need strong data retention controls; teams on a tight budget; enterprises requiring SSO integration.

Detailed Comparison

Logseq vs Notion AI: Trust & Compliance Comparison

Logseq (Logseq, US) scores 20/25 overall with a Silver (Strong) trust badge. Open source privacy-first knowledge graph and note-taking with local storage. Notion AI (Notion Labs, Inc., US) scores 20/25 with a Silver (Strong) trust badge. AI-powered workspace for notes, wikis, projects, and content generation.

Dimension-by-Dimension Breakdown

#### Data Residency

Logseq leads with 5/5 vs 4/5.

●Logseq (5/5): Local-first by default — all data stored on user's device; optional sync service can be avoided entirely

●Notion AI (4/5): EU data residency available for Enterprise customers; US hosting for lower tiers

#### Legal Jurisdiction

Logseq leads with 5/5 vs 3/5.

●Logseq (5/5): Local application; no data transmitted to vendor by default; user has full legal control over their data

●Notion AI (3/5): US Delaware corporation; EU residency option reduces CLOUD Act exposure for Enterprise

#### Data Retention & Training

Logseq leads with 5/5 vs 4/5.

●Logseq (5/5): No vendor data retention at all in local mode; user controls all data lifecycle; no training possible

●Notion AI (4/5): Customer data not used to train AI models; data retained per workspace settings

#### Certifications

Notion AI leads with 5/5 vs 1/5.

●Logseq (1/5): No vendor certifications — not applicable for a local-first open source tool

●Notion AI (5/5): SOC 2 Type II, ISO 27001/17/18/701 all certified; AI included in scope

#### Regulatory Fit

Both score equally at 4/5.

●Logseq (4/5): Excellent for individual use in regulated settings; limited enterprise controls reduce team deployment suitability

●Notion AI (4/5): Strong fit for EU organisations on Enterprise plan with data residency; good overall compliance posture

Certifications at a Glance

Certification	Logseq	Notion AI
ISO 27001	No	Yes
ISO 27017	No	Yes
ISO 27018	No	Yes
ISO 27701	No	Yes
SOC 2 Type II	No	Yes

Overall Verdict

Logseq and Notion AI are closely matched on trust and compliance, with scores of 20/25 and 20/25 respectively. The right choice depends on your specific regulatory requirements and existing technology stack.

Frequently Asked Questions

Which is better for EU compliance, Logseq or Notion AI?

Logseq has a TrustKit score of 20/25 while Notion AI scores 20/25. Both tools are currently rated equally across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Logseq and Notion AI compare on data residency?

Logseq scores 5/5 for data residency (Local-first by default — all data stored on user's device; optional sync service can be avoided entirely), while Notion AI scores 4/5 (EU data residency available for Enterprise customers; US hosting for lower tiers).

Are Logseq and Notion AI GDPR compliant?

Both tools are assessed across five compliance dimensions. Logseq has a regulatory fit score of 4/5 and Notion AI scores 4/5. Check the full comparison above for a detailed breakdown.

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