Lumo (Proton) icon

Lumo (Proton)

Privacy-first AI assistant from the makers of ProtonMail, with Swiss jurisdiction and zero-access encryption

vs
Turnitin icon

Turnitin

US AI detection and academic integrity platform for education institutions

Lumo (Proton)
92%Excellent
23/25
Turnitin
68%Strong
17/25

Score Breakdown

DimensionLumo (Proton)Turnitin
Data Residency
Where is your data stored and processed?
Lumo (Proton): Data hosted in Proton's own data centres in Germany and Norway. Zero-access encryption means even Proton cannot read conversation content. No US infrastructure dependency.
Turnitin: EU hosting available (AWS Dublin) but requires explicit Enterprise-level configuration; US default otherwise
5/5
3/5
Legal Jurisdiction
Which laws govern the company and your data?
Lumo (Proton): Swiss incorporation provides one of the strongest privacy jurisdictions globally. Outside US CLOUD Act reach. Swiss FADP and GDPR adequacy. Proton has a decade-long track record of defending user privacy.
Turnitin: US Delaware corporation; CLOUD Act applies to student data; DPA with SCCs available for EU institutions
5/5
2/5
Data Retention & Training
Is your data used for model training?
Lumo (Proton): Zero-access encryption on conversations. User data explicitly never used for model training. Open-source code enables independent verification of privacy claims.
Turnitin: Submissions stored for similarity comparison (core function); not used to train AI models; configurable retention
5/5
4/5
Certifications
ISO 27001, SOC 2, Cyber Essentials, etc.
Lumo (Proton): ISO 27001 and SOC 2 at Proton AG organisational level. Strong for a consumer-facing privacy product. ISO 27701 would further strengthen the posture.
Turnitin: ISO 27001, SOC 2 Type II, and Cyber Essentials Plus — strong for an EdTech platform
4/5
5/5
Regulatory Fit
Suitability for regulated industries and professional services
Lumo (Proton): Excellent fit for privacy-sensitive professionals in legal and financial services. Swiss jurisdiction, zero-access encryption, and no training on user data address key regulatory concerns. Not EU-incorporated but GDPR adequate.
Turnitin: GDPR DPA available; EU hosting option exists; institutions must explicitly configure EU residency for student data
4/5
3/5
Total Score
23/25
17/25

Best For

Lumo (Proton) iconLumo (Proton)

Best for EU-headquartered organisations needing maximum data sovereignty; regulated industries (legal, financial-services); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment; teams on a tight budget.

Turnitin iconTurnitin

Best for organisations requiring broad certification coverage (ISO 27001, SOC 2 Type II, Cyber Essentials Plus); privacy-conscious teams who need strong data retention controls.

Detailed Comparison

Lumo (Proton) vs Turnitin: Trust & Compliance Comparison

Lumo (Proton) (Proton, CH) scores 23/25 overall with a Gold (Excellent) trust badge. Privacy-first AI assistant from the makers of ProtonMail, with Swiss jurisdiction and zero-access encryption. Turnitin (Turnitin, US) scores 17/25 with a Silver (Strong) trust badge. US AI detection and academic integrity platform for education institutions.

Dimension-by-Dimension Breakdown

#### Data Residency

Lumo (Proton) leads with 5/5 vs 3/5.

Lumo (Proton) (5/5): Data hosted in Proton's own data centres in Germany and Norway. Zero-access encryption means even Proton cannot read conversation content. No US infrastructure dependency.
Turnitin (3/5): EU hosting available (AWS Dublin) but requires explicit Enterprise-level configuration; US default otherwise

#### Legal Jurisdiction

Lumo (Proton) leads with 5/5 vs 2/5.

Lumo (Proton) (5/5): Swiss incorporation provides one of the strongest privacy jurisdictions globally. Outside US CLOUD Act reach. Swiss FADP and GDPR adequacy. Proton has a decade-long track record of defending user privacy.
Turnitin (2/5): US Delaware corporation; CLOUD Act applies to student data; DPA with SCCs available for EU institutions

#### Data Retention & Training

Lumo (Proton) leads with 5/5 vs 4/5.

Lumo (Proton) (5/5): Zero-access encryption on conversations. User data explicitly never used for model training. Open-source code enables independent verification of privacy claims.
Turnitin (4/5): Submissions stored for similarity comparison (core function); not used to train AI models; configurable retention

#### Certifications

Turnitin leads with 5/5 vs 4/5.

Lumo (Proton) (4/5): ISO 27001 and SOC 2 at Proton AG organisational level. Strong for a consumer-facing privacy product. ISO 27701 would further strengthen the posture.
Turnitin (5/5): ISO 27001, SOC 2 Type II, and Cyber Essentials Plus — strong for an EdTech platform

#### Regulatory Fit

Lumo (Proton) leads with 4/5 vs 3/5.

Lumo (Proton) (4/5): Excellent fit for privacy-sensitive professionals in legal and financial services. Swiss jurisdiction, zero-access encryption, and no training on user data address key regulatory concerns. Not EU-incorporated but GDPR adequate.
Turnitin (3/5): GDPR DPA available; EU hosting option exists; institutions must explicitly configure EU residency for student data

Certifications at a Glance

CertificationLumo (Proton)Turnitin
Cyber Essentials PlusNoYes
ISO 27001YesYes
SOC 2YesNo
SOC 2 Type IINoYes

Overall Verdict

Lumo (Proton) has a clear trust advantage, scoring 23/25 compared to Turnitin's 17/25. Lumo (Proton) particularly excels in data residency, legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Lumo (Proton) or Turnitin?

Lumo (Proton) has a TrustKit score of 23/25 while Turnitin scores 17/25. Lumo (Proton) currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Lumo (Proton) and Turnitin compare on data residency?

Lumo (Proton) scores 5/5 for data residency (Data hosted in Proton's own data centres in Germany and Norway. Zero-access encryption means even Proton cannot read conversation content. No US infrastructure dependency.), while Turnitin scores 3/5 (EU hosting available (AWS Dublin) but requires explicit Enterprise-level configuration; US default otherwise).

Are Lumo (Proton) and Turnitin GDPR compliant?

Both tools are assessed across five compliance dimensions. Lumo (Proton) has a regulatory fit score of 4/5 and Turnitin scores 3/5. Check the full comparison above for a detailed breakdown.

Explore Each Tool