Hypotenuse AI

AI content platform for e-commerce product descriptions and marketing copy

Grammarly

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

Hypotenuse AI

Moderate

12/25

Grammarly

Strong

17/25

Score Breakdown

DimensionHypotenuse AIGrammarly

Data Residency

Where is your data stored and processed?

Hypotenuse AI: Data processed on US-based cloud infrastructure. No EU data residency option. Singapore incorporation does not provide EU data sovereignty.

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

2/5

Data processed on US-based cloud infrastructure. No EU data residency option. Singapore incorporation does not provide EU data sovereignty.

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?

Hypotenuse AI: Singapore corporation. Singapore has strong data protection laws (PDPA) and is recognised as having adequate data protection. Not subject to US CLOUD Act.

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

3/5

Singapore corporation. Singapore has strong data protection laws (PDPA) and is recognised as having adequate data protection. Not subject to US CLOUD Act.

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?

Hypotenuse AI: Brand voice data isolated per account. Generated content retained in user account. No use of customer data for general model training.

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

3/5

Brand voice data isolated per account. Generated content retained in user account. No use of customer data for general model training.

4/5

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

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Hypotenuse AI: No SOC 2 or ISO 27001 certifications publicly disclosed. GDPR compliance stated on website.

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

2/5

No SOC 2 or ISO 27001 certifications publicly disclosed. GDPR compliance stated on website.

5/5

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

Regulatory Fit

Suitability for regulated industries and professional services

Hypotenuse AI: Suitable for marketing and e-commerce content. Not designed for regulated industries. Standard privacy controls for a content generation tool.

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

2/5

Suitable for marketing and e-commerce content. Not designed for regulated industries. Standard privacy controls for a content generation tool.

4/5

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

Total Score

12/25

17/25

Best For

Hypotenuse AI

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; enterprises requiring SSO integration.

Grammarly

Best for teams that prioritise legal jurisdiction (scores 3/5) and need a bronze-tier tool.

Detailed Comparison

Grammarly vs Hypotenuse AI: 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. Hypotenuse AI (Hypotenuse AI, SG) scores 12/25 with a Bronze (Moderate) trust badge. AI content platform for e-commerce product descriptions and marketing copy.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 2/5.

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

●Hypotenuse AI (2/5): Data processed on US-based cloud infrastructure. No EU data residency option. Singapore incorporation does not provide EU data sovereignty.

#### Legal Jurisdiction

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

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

●Hypotenuse AI (3/5): Singapore corporation. Singapore has strong data protection laws (PDPA) and is recognised as having adequate data protection. Not subject to US CLOUD Act.

#### Data Retention & Training

Grammarly leads with 4/5 vs 3/5.

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

●Hypotenuse AI (3/5): Brand voice data isolated per account. Generated content retained in user account. No use of customer data for general model training.

#### Certifications

Grammarly leads with 5/5 vs 2/5.

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

●Hypotenuse AI (2/5): No SOC 2 or ISO 27001 certifications publicly disclosed. GDPR compliance stated on website.

#### Regulatory Fit

Grammarly leads with 4/5 vs 2/5.

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

●Hypotenuse AI (2/5): Suitable for marketing and e-commerce content. Not designed for regulated industries. Standard privacy controls for a content generation tool.

Certifications at a Glance

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

Overall Verdict

Grammarly has a clear trust advantage, scoring 17/25 compared to Hypotenuse AI's 12/25. Grammarly particularly excels in data retention & training, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Hypotenuse AI or Grammarly?

Hypotenuse AI has a TrustKit score of 12/25 while Grammarly scores 17/25. Grammarly currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Hypotenuse AI and Grammarly compare on data residency?

Hypotenuse AI scores 2/5 for data residency (Data processed on US-based cloud infrastructure. No EU data residency option. Singapore incorporation does not provide EU data sovereignty.), while Grammarly scores 2/5 (Data hosted exclusively in US AWS East; no EU or regional residency option).

Are Hypotenuse AI and Grammarly GDPR compliant?

Both tools are assessed across five compliance dimensions. Hypotenuse AI 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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