QuillBot

AI-powered paraphrasing, grammar checking, and writing assistance tool

Grammarly

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

QuillBot

Caution

11/25

Grammarly

Strong

17/25

Score Breakdown

DimensionQuillBotGrammarly

Data Residency

Where is your data stored and processed?

QuillBot: All data processed on US-based infrastructure. No EU data residency option. No regional hosting controls.

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

2/5

All data processed on US-based infrastructure. No EU data residency option. No regional hosting controls.

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?

QuillBot: US corporation subject to US jurisdiction. GDPR compliance page available but no EU legal entity. Standard privacy policy.

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

2/5

US corporation subject to US jurisdiction. GDPR compliance page available but no EU legal entity. Standard privacy policy.

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?

QuillBot: Text processed for the service is not retained long-term or used for training. Basic data deletion available through account settings.

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

3/5

Text processed for the service is not retained long-term or used for training. Basic data deletion available through account settings.

4/5

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

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

QuillBot: No SOC 2, ISO 27001, or other enterprise security certifications publicly disclosed. GDPR compliance stated but no formal DPA publicised.

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

2/5

No SOC 2, ISO 27001, or other enterprise security certifications publicly disclosed. GDPR compliance stated but no formal DPA publicised.

5/5

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

Regulatory Fit

Suitability for regulated industries and professional services

QuillBot: Consumer and education-focused tool. Not designed for regulated industries. Limited enterprise compliance features. Suitable for general business writing tasks.

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

2/5

Consumer and education-focused tool. Not designed for regulated industries. Limited enterprise compliance features. Suitable for general business writing tasks.

4/5

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

Total Score

11/25

17/25

Best For

QuillBot

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 on a tight budget.

Detailed Comparison

Grammarly vs QuillBot: 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. QuillBot (QuillBot, US) scores 11/25 with a Review Required (Caution) trust badge. AI-powered paraphrasing, grammar checking, and writing assistance tool.

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

●QuillBot (2/5): All data processed on US-based infrastructure. No EU data residency option. No regional hosting controls.

#### Legal Jurisdiction

Both score equally at 2/5.

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

●QuillBot (2/5): US corporation subject to US jurisdiction. GDPR compliance page available but no EU legal entity. Standard privacy policy.

#### 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

●QuillBot (3/5): Text processed for the service is not retained long-term or used for training. Basic data deletion available through account settings.

#### Certifications

Grammarly leads with 5/5 vs 2/5.

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

●QuillBot (2/5): No SOC 2, ISO 27001, or other enterprise security certifications publicly disclosed. GDPR compliance stated but no formal DPA publicised.

#### 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

●QuillBot (2/5): Consumer and education-focused tool. Not designed for regulated industries. Limited enterprise compliance features. Suitable for general business writing tasks.

Certifications at a Glance

Certification	Grammarly	QuillBot
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 QuillBot's 11/25. Grammarly particularly excels in data retention & training, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, QuillBot or Grammarly?

QuillBot 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 QuillBot and Grammarly compare on data residency?

QuillBot scores 2/5 for data residency (All data processed on US-based infrastructure. No EU data residency option. No regional hosting controls.), while Grammarly scores 2/5 (Data hosted exclusively in US AWS East; no EU or regional residency option).

Are QuillBot and Grammarly GDPR compliant?

Both tools are assessed across five compliance dimensions. QuillBot 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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