Notion AI

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

Compose AI

AI writing autocomplete Chrome extension that speeds up everyday writing

Notion AI

Strong

20/25

Compose AI

Caution

8/25

Score Breakdown

DimensionNotion AICompose AI

Data Residency

Where is your data stored and processed?

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

Compose AI: Text input processed on US-based cloud servers. No EU data residency option.

4/5

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

2/5

Text input processed on US-based cloud servers. No EU data residency option.

Legal Jurisdiction

Which laws govern the company and your data?

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

Compose AI: US entity. Subject to US jurisdiction and CLOUD Act. No EU legal entity or GDPR DPA.

3/5

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

2/5

US entity. Subject to US jurisdiction and CLOUD Act. No EU legal entity or GDPR DPA.

Data Retention & Training

Is your data used for model training?

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

Compose AI: Extension processes text input through cloud servers. Personalisation features imply some data retention. Limited transparency on data handling.

4/5

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

2/5

Extension processes text input through cloud servers. Personalisation features imply some data retention. Limited transparency on data handling.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

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

Compose AI: No security certifications publicly disclosed. Consumer-focused extension without enterprise security posture.

5/5

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

1/5

No security certifications publicly disclosed. Consumer-focused extension without enterprise security posture.

Regulatory Fit

Suitability for regulated industries and professional services

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

Compose AI: Consumer browser extension not suitable for regulated environments. Broad browser permissions required. No enterprise compliance features.

4/5

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

1/5

Consumer browser extension not suitable for regulated environments. Broad browser permissions required. No enterprise compliance features.

Total Score

20/25

8/25

Best For

Notion AI

Best for teams on a tight budget.

Compose 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

Compose AI vs Notion AI: Trust & Compliance Comparison

Compose AI (Compose AI, US) scores 8/25 overall with a Review Required (Caution) trust badge. AI writing autocomplete Chrome extension that speeds up everyday writing. 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

Notion AI leads with 4/5 vs 2/5.

●Compose AI (2/5): Text input processed on US-based cloud servers. No EU data residency option.

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

#### Legal Jurisdiction

Notion AI leads with 3/5 vs 2/5.

●Compose AI (2/5): US entity. Subject to US jurisdiction and CLOUD Act. No EU legal entity or GDPR DPA.

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

#### Data Retention & Training

Notion AI leads with 4/5 vs 2/5.

●Compose AI (2/5): Extension processes text input through cloud servers. Personalisation features imply some data retention. Limited transparency on data handling.

●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.

●Compose AI (1/5): No security certifications publicly disclosed. Consumer-focused extension without enterprise security posture.

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

#### Regulatory Fit

Notion AI leads with 4/5 vs 1/5.

●Compose AI (1/5): Consumer browser extension not suitable for regulated environments. Broad browser permissions required. No enterprise compliance features.

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

Certifications at a Glance

Certification	Compose AI	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

Notion AI has a clear trust advantage, scoring 20/25 compared to Compose AI's 8/25. Notion AI particularly excels in data residency, legal jurisdiction, data retention & training, certifications, regulatory fit.

Frequently Asked Questions

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

Notion AI has a TrustKit score of 20/25 while Compose AI scores 8/25. Notion AI currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Notion AI and Compose AI compare on data residency?

Notion AI scores 4/5 for data residency (EU data residency available for Enterprise customers; US hosting for lower tiers), while Compose AI scores 2/5 (Text input processed on US-based cloud servers. No EU data residency option.).

Are Notion AI and Compose AI GDPR compliant?

Both tools are assessed across five compliance dimensions. Notion AI has a regulatory fit score of 4/5 and Compose AI scores 1/5. Check the full comparison above for a detailed breakdown.

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