Gamma

AI-powered presentations and documents created in seconds

Grammarly

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

Gamma

Caution

11/25

Grammarly

Strong

17/25

Score Breakdown

DimensionGammaGrammarly

Data Residency

Where is your data stored and processed?

Gamma: Data hosted exclusively in US (AWS). No EU or regional data residency options available, which is a concern for European and regulated-industry users.

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

2/5

Data hosted exclusively in US (AWS). No EU or regional data residency options available, which is a concern for European and regulated-industry users.

2/5

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

Legal Jurisdiction

Which laws govern the company and your data?

Gamma: Incorporated in Delaware, US. Subject to US legal frameworks including the CLOUD Act. Limited jurisdiction options for non-US customers.

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

2/5

Incorporated in Delaware, US. Subject to US legal frameworks including the CLOUD Act. Limited jurisdiction options for non-US customers.

2/5

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

Data Retention & Training

Is your data used for model training?

Gamma: Standard data retention with account deletion capabilities. Free plan data may be used for AI training by default; paid plans offer an opt-out mechanism.

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

3/5

Standard data retention with account deletion capabilities. Free plan data may be used for AI training by default; paid plans offer an opt-out mechanism.

4/5

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

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Gamma: Holds SOC 2 Type II certification. Certification portfolio is limited compared to enterprise-grade tools; missing ISO 27001 and other key standards.

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

2/5

Holds SOC 2 Type II certification. Certification portfolio is limited compared to enterprise-grade tools; missing ISO 27001 and other key standards.

5/5

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

Regulatory Fit

Suitability for regulated industries and professional services

Gamma: Suitable for general business use but limited compliance posture for regulated industries. AI training on free-tier data is a notable risk for organizations with sensitive IP.

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

2/5

Suitable for general business use but limited compliance posture for regulated industries. AI training on free-tier data is a notable risk for organizations with sensitive IP.

4/5

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

Total Score

11/25

17/25

Best For

Gamma

Best for teams that prioritise data retention & training (scores 3/5) and need a review required-tier tool.

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.

Detailed Comparison

Gamma vs Grammarly: Trust & Compliance Comparison

Gamma (Gamma, US) scores 11/25 overall with a Review Required (Caution) trust badge. AI-powered presentations and documents created in seconds. Grammarly (Grammarly, Inc., US) scores 17/25 with a Silver (Strong) trust badge. AI writing assistant for grammar, style, clarity, and generative content creation.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 2/5.

●Gamma (2/5): Data hosted exclusively in US (AWS). No EU or regional data residency options available, which is a concern for European and regulated-industry users.

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

#### Legal Jurisdiction

Both score equally at 2/5.

●Gamma (2/5): Incorporated in Delaware, US. Subject to US legal frameworks including the CLOUD Act. Limited jurisdiction options for non-US customers.

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

#### Data Retention & Training

Grammarly leads with 4/5 vs 3/5.

●Gamma (3/5): Standard data retention with account deletion capabilities. Free plan data may be used for AI training by default; paid plans offer an opt-out mechanism.

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

#### Certifications

Grammarly leads with 5/5 vs 2/5.

●Gamma (2/5): Holds SOC 2 Type II certification. Certification portfolio is limited compared to enterprise-grade tools; missing ISO 27001 and other key standards.

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

#### Regulatory Fit

Grammarly leads with 4/5 vs 2/5.

●Gamma (2/5): Suitable for general business use but limited compliance posture for regulated industries. AI training on free-tier data is a notable risk for organizations with sensitive IP.

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

Certifications at a Glance

Certification	Gamma	Grammarly
ISO 27001	No	Yes
ISO 27018	No	Yes
ISO 27701	No	Yes
ISO 42001	No	Yes
SOC 2 Type II	Yes	Yes

Overall Verdict

Grammarly has a clear trust advantage, scoring 17/25 compared to Gamma's 11/25. Grammarly particularly excels in data retention & training, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Gamma or Grammarly?

Gamma has a TrustKit score of 11/25 while Grammarly scores 17/25. Grammarly currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Gamma and Grammarly compare on data residency?

Gamma scores 2/5 for data residency (Data hosted exclusively in US (AWS). No EU or regional data residency options available, which is a concern for European and regulated-industry users.), while Grammarly scores 2/5 (Data hosted exclusively in US AWS East; no EU or regional residency option).

Are Gamma and Grammarly GDPR compliant?

Both tools are assessed across five compliance dimensions. Gamma has a regulatory fit score of 2/5 and Grammarly scores 4/5. Check the full comparison above for a detailed breakdown.

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