Logseq

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

Google NotebookLM

AI research assistant that reasons over your own documents and sources

Logseq

Strong

20/25

Google NotebookLM

Strong

17/25

Score Breakdown

DimensionLogseqGoogle NotebookLM

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

Google NotebookLM: Free tier uses US data centres. Enterprise Workspace customers can select EU data regions, providing compliant data residency for European businesses. Consumer accounts have limited regional controls.

5/5

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

3/5

Free tier uses US data centres. Enterprise Workspace customers can select EU data regions, providing compliant data residency for European businesses. Consumer accounts have limited regional controls.

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

Google NotebookLM: Google LLC is incorporated in Delaware, US. Subject to the CLOUD Act. Google has signed SCCs and model DPAs for enterprise Workspace customers, providing some mitigation, but US jurisdiction remains a fundamental risk.

5/5

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

2/5

Google LLC is incorporated in Delaware, US. Subject to the CLOUD Act. Google has signed SCCs and model DPAs for enterprise Workspace customers, providing some mitigation, but US jurisdiction remains a fundamental risk.

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

Google NotebookLM: Enterprise Workspace accounts: notebooks and data not used for model training under DPA. Configurable retention and deletion. Free consumer accounts: less certain. Enterprise controls are significantly stronger.

5/5

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

4/5

Enterprise Workspace accounts: notebooks and data not used for model training under DPA. Configurable retention and deletion. Free consumer accounts: less certain. Enterprise controls are significantly stronger.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

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

Google NotebookLM: Google's cloud infrastructure holds ISO 27001, ISO 27017, ISO 27018, SOC 2 Type II, and BSI C5 (Germany). Among the most comprehensively certified cloud providers. NotebookLM for Business inherits these certifications via Workspace.

1/5

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

5/5

Google's cloud infrastructure holds ISO 27001, ISO 27017, ISO 27018, SOC 2 Type II, and BSI C5 (Germany). Among the most comprehensively certified cloud providers. NotebookLM for Business inherits these certifications via Workspace.

Regulatory Fit

Suitability for regulated industries and professional services

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

Google NotebookLM: Enterprise Workspace deployment with EU data region provides an acceptable compliance posture for most EU businesses. For regulated industries (financial services, healthcare), additional due diligence on Google's CLOUD Act exposure is required.

4/5

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

3/5

Enterprise Workspace deployment with EU data region provides an acceptable compliance posture for most EU businesses. For regulated industries (financial services, healthcare), additional due diligence on Google's CLOUD Act exposure is required.

Total Score

20/25

17/25

Best For

Logseq

Best for organisations requiring broad certification coverage (ISO 27001, ISO 27017, ISO 27018); privacy-conscious teams who need strong data retention controls; teams on a tight budget; enterprises requiring SSO integration.

Google NotebookLM

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.

Detailed Comparison

Google NotebookLM vs Logseq: Trust & Compliance Comparison

Google NotebookLM (Google, US) scores 17/25 overall with a Silver (Strong) trust badge. AI research assistant that reasons over your own documents and sources. Logseq (Logseq, US) scores 20/25 with a Silver (Strong) trust badge. Open source privacy-first knowledge graph and note-taking with local storage.

Dimension-by-Dimension Breakdown

#### Data Residency

Logseq leads with 5/5 vs 3/5.

●Google NotebookLM (3/5): Free tier uses US data centres. Enterprise Workspace customers can select EU data regions, providing compliant data residency for European businesses. Consumer accounts have limited regional controls.

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

#### Legal Jurisdiction

Logseq leads with 5/5 vs 2/5.

●Google NotebookLM (2/5): Google LLC is incorporated in Delaware, US. Subject to the CLOUD Act. Google has signed SCCs and model DPAs for enterprise Workspace customers, providing some mitigation, but US jurisdiction remains a fundamental risk.

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

#### Data Retention & Training

Logseq leads with 5/5 vs 4/5.

●Google NotebookLM (4/5): Enterprise Workspace accounts: notebooks and data not used for model training under DPA. Configurable retention and deletion. Free consumer accounts: less certain. Enterprise controls are significantly stronger.

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

#### Certifications

Google NotebookLM leads with 5/5 vs 1/5.

●Google NotebookLM (5/5): Google's cloud infrastructure holds ISO 27001, ISO 27017, ISO 27018, SOC 2 Type II, and BSI C5 (Germany). Among the most comprehensively certified cloud providers. NotebookLM for Business inherits these certifications via Workspace.

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

#### Regulatory Fit

Logseq leads with 4/5 vs 3/5.

●Google NotebookLM (3/5): Enterprise Workspace deployment with EU data region provides an acceptable compliance posture for most EU businesses. For regulated industries (financial services, healthcare), additional due diligence on Google's CLOUD Act exposure is required.

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

Certifications at a Glance

Certification	Google NotebookLM	Logseq
C5	Yes	No
ISO 27001	Yes	No
ISO 27017	Yes	No
ISO 27018	Yes	No
SOC 2 Type II	Yes	No

Overall Verdict

Logseq has a clear trust advantage, scoring 20/25 compared to Google NotebookLM's 17/25. Logseq particularly excels in data residency, legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Logseq or Google NotebookLM?

Logseq has a TrustKit score of 20/25 while Google NotebookLM scores 17/25. Logseq currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Logseq and Google NotebookLM 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 Google NotebookLM scores 3/5 (Free tier uses US data centres. Enterprise Workspace customers can select EU data regions, providing compliant data residency for European businesses. Consumer accounts have limited regional controls.).

Are Logseq and Google NotebookLM GDPR compliant?

Both tools are assessed across five compliance dimensions. Logseq has a regulatory fit score of 4/5 and Google NotebookLM scores 3/5. Check the full comparison above for a detailed breakdown.

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