Grammarly

AI writing assistant for grammar, style, clarity, and generative content creation

Nabla Copilot

AI medical scribe that turns patient conversations into clinical notes

Grammarly

Strong

17/25

Nabla Copilot

Excellent

22/25

Score Breakdown

DimensionGrammarlyNabla Copilot

Data Residency

Where is your data stored and processed?

Grammarly: Data hosted exclusively in US AWS East; no EU or regional residency option

Nabla Copilot: Choice of US (AWS us-east-1) or EU (AWS eu-west-1) data hosting. French HDS certification for health data in the EU. Strong dual-region residency for healthcare organisations on both sides of the Atlantic.

2/5

Data hosted exclusively in US AWS East; no EU or regional residency option

4/5

Choice of US (AWS us-east-1) or EU (AWS eu-west-1) data hosting. French HDS certification for health data in the EU. Strong dual-region residency for healthcare organisations on both sides of the Atlantic.

Legal Jurisdiction

Which laws govern the company and your data?

Grammarly: US Delaware corporation subject to CLOUD Act; GDPR compliance via SCCs and DPA

Nabla Copilot: Incorporated in France under French and EU law, benefiting from GDPR-native jurisdiction and the French Health Data Hosting (HDS) regulatory framework. US operations covered by HIPAA BAA.

2/5

US Delaware corporation subject to CLOUD Act; GDPR compliance via SCCs and DPA

4/5

Incorporated in France under French and EU law, benefiting from GDPR-native jurisdiction and the French Health Data Hosting (HDS) regulatory framework. US operations covered by HIPAA BAA.

Data Retention & Training

Is your data used for model training?

Grammarly: User data not sold; limited processing for product improvement with user controls

Nabla Copilot: Patient audio processed transiently and not stored by default. No use of patient data for model training. Configurable note retention aligned with EHR data governance policies.

4/5

User data not sold; limited processing for product improvement with user controls

5/5

Patient audio processed transiently and not stored by default. No use of patient data for model training. Configurable note retention aligned with EHR data governance policies.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Grammarly: Extensive certification: SOC 2 Type II, ISO 27001/18/701, ISO 42001

Nabla Copilot: SOC 2 Type II certified; HIPAA BAA available; HDS certified in France. ISO 27001 in progress. Strong healthcare-specific compliance posture for a company of its size.

5/5

Extensive certification: SOC 2 Type II, ISO 27001/18/701, ISO 42001

4/5

SOC 2 Type II certified; HIPAA BAA available; HDS certified in France. ISO 27001 in progress. Strong healthcare-specific compliance posture for a company of its size.

Regulatory Fit

Suitability for regulated industries and professional services

Grammarly: Strong enterprise compliance posture; US-only hosting limits suitability for EU data residency mandates

Nabla Copilot: Exceptional fit for healthcare providers. HIPAA BAA, HDS certification, GDPR-native jurisdiction, and no patient data training make it one of the most compliant AI scribing tools available.

4/5

Strong enterprise compliance posture; US-only hosting limits suitability for EU data residency mandates

5/5

Exceptional fit for healthcare providers. HIPAA BAA, HDS certification, GDPR-native jurisdiction, and no patient data training make it one of the most compliant AI scribing tools available.

Total Score

17/25

22/25

Best For

Grammarly

Best for organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, ISO 27018); privacy-conscious teams who need strong data retention controls; teams on a tight budget.

Nabla Copilot

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (SOC 2 Type II, HIPAA BAA, HDS); regulated industries (HHS OCR, CNIL); privacy-conscious teams who need strong data retention controls.

Detailed Comparison

Grammarly vs Nabla Copilot: Trust & Compliance Comparison

Grammarly (Grammarly, Inc., US) scores 17/25 overall with a Silver (Strong) trust badge. AI writing assistant for grammar, style, clarity, and generative content creation. Nabla Copilot (Nabla, FR) scores 22/25 with a Gold (Excellent) trust badge. AI medical scribe that turns patient conversations into clinical notes.

Dimension-by-Dimension Breakdown

#### Data Residency

Nabla Copilot leads with 4/5 vs 2/5.

●Grammarly (2/5): Data hosted exclusively in US AWS East; no EU or regional residency option

●Nabla Copilot (4/5): Choice of US (AWS us-east-1) or EU (AWS eu-west-1) data hosting. French HDS certification for health data in the EU. Strong dual-region residency for healthcare organisations on both sides of the Atlantic.

#### Legal Jurisdiction

Nabla Copilot leads with 4/5 vs 2/5.

●Grammarly (2/5): US Delaware corporation subject to CLOUD Act; GDPR compliance via SCCs and DPA

●Nabla Copilot (4/5): Incorporated in France under French and EU law, benefiting from GDPR-native jurisdiction and the French Health Data Hosting (HDS) regulatory framework. US operations covered by HIPAA BAA.

#### Data Retention & Training

Nabla Copilot leads with 5/5 vs 4/5.

●Grammarly (4/5): User data not sold; limited processing for product improvement with user controls

●Nabla Copilot (5/5): Patient audio processed transiently and not stored by default. No use of patient data for model training. Configurable note retention aligned with EHR data governance policies.

#### Certifications

Grammarly leads with 5/5 vs 4/5.

●Grammarly (5/5): Extensive certification: SOC 2 Type II, ISO 27001/18/701, ISO 42001

●Nabla Copilot (4/5): SOC 2 Type II certified; HIPAA BAA available; HDS certified in France. ISO 27001 in progress. Strong healthcare-specific compliance posture for a company of its size.

#### Regulatory Fit

Nabla Copilot leads with 5/5 vs 4/5.

●Grammarly (4/5): Strong enterprise compliance posture; US-only hosting limits suitability for EU data residency mandates

●Nabla Copilot (5/5): Exceptional fit for healthcare providers. HIPAA BAA, HDS certification, GDPR-native jurisdiction, and no patient data training make it one of the most compliant AI scribing tools available.

Certifications at a Glance

Certification	Grammarly	Nabla Copilot
HDS	No	Yes
HIPAA BAA	No	Yes
ISO 27001	Yes	No
ISO 27018	Yes	No
ISO 27701	Yes	No
ISO 42001	Yes	No
SOC 2 Type II	Yes	Yes

Overall Verdict

Nabla Copilot has a clear trust advantage, scoring 22/25 compared to Grammarly's 17/25. Nabla Copilot particularly excels in data residency, legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Grammarly or Nabla Copilot?

Grammarly has a TrustKit score of 17/25 while Nabla Copilot scores 22/25. Nabla Copilot currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Grammarly and Nabla Copilot compare on data residency?

Grammarly scores 2/5 for data residency (Data hosted exclusively in US AWS East; no EU or regional residency option), while Nabla Copilot scores 4/5 (Choice of US (AWS us-east-1) or EU (AWS eu-west-1) data hosting. French HDS certification for health data in the EU. Strong dual-region residency for healthcare organisations on both sides of the Atlantic.).

Are Grammarly and Nabla Copilot GDPR compliant?

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

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