Cogram icon

Cogram

AI meeting assistant that takes notes and identifies action items

vs
Lumo (Proton) icon

Lumo (Proton)

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

Cogram
84%Strong
21/25
Lumo (Proton)
92%Excellent
23/25

Score Breakdown

DimensionCogramLumo (Proton)
Data Residency
Where is your data stored and processed?
Cogram: German company with EU-based cloud infrastructure. Data processed and stored within the EU. Strong data sovereignty positioning for European customers.
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.
5/5
5/5
Legal Jurisdiction
Which laws govern the company and your data?
Cogram: German GmbH subject to EU/German data protection law. GDPR-native company. Not subject to US CLOUD Act or FISA.
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.
5/5
5/5
Data Retention & Training
Is your data used for model training?
Cogram: Meeting data not used for training. Clear retention policies. Users can delete meeting data. Enterprise data management controls available.
Lumo (Proton): Zero-access encryption on conversations. User data explicitly never used for model training. Open-source code enables independent verification of privacy claims.
4/5
5/5
Certifications
ISO 27001, SOC 2, Cyber Essentials, etc.
Cogram: GDPR compliant with DPA available. No SOC 2 or ISO 27001 certification publicly disclosed yet.
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.
3/5
4/5
Regulatory Fit
Suitability for regulated industries and professional services
Cogram: Strong fit for EU-based organisations. German jurisdiction and EU hosting address key sovereignty concerns. Suitable for consulting and financial services meetings.
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.
4/5
4/5
Total Score
21/25
23/25

Best For

Cogram iconCogram

Best for EU-headquartered organisations needing maximum data sovereignty; regulated industries (BaFin, BAFM); privacy-conscious teams who need strong data retention controls; teams on a tight budget.

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.

Detailed Comparison

Cogram vs Lumo (Proton): Trust & Compliance Comparison

Cogram (Cogram, DE) scores 21/25 overall with a Silver (Strong) trust badge. AI meeting assistant that takes notes and identifies action items. Lumo (Proton) (Proton, CH) scores 23/25 with a Gold (Excellent) trust badge. Privacy-first AI assistant from the makers of ProtonMail, with Swiss jurisdiction and zero-access encryption.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 5/5.

Cogram (5/5): German company with EU-based cloud infrastructure. Data processed and stored within the EU. Strong data sovereignty positioning for European customers.
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.

#### Legal Jurisdiction

Both score equally at 5/5.

Cogram (5/5): German GmbH subject to EU/German data protection law. GDPR-native company. Not subject to US CLOUD Act or FISA.
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.

#### Data Retention & Training

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

Cogram (4/5): Meeting data not used for training. Clear retention policies. Users can delete meeting data. Enterprise data management controls available.
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.

#### Certifications

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

Cogram (3/5): GDPR compliant with DPA available. No SOC 2 or ISO 27001 certification publicly disclosed yet.
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.

#### Regulatory Fit

Both score equally at 4/5.

Cogram (4/5): Strong fit for EU-based organisations. German jurisdiction and EU hosting address key sovereignty concerns. Suitable for consulting and financial services meetings.
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.

Certifications at a Glance

CertificationCogramLumo (Proton)
GDPR DPAYesNo
ISO 27001NoYes
SOC 2NoYes

Overall Verdict

Lumo (Proton) has a clear trust advantage, scoring 23/25 compared to Cogram's 21/25. Lumo (Proton) particularly excels in data retention & training, certifications.

Frequently Asked Questions

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

Cogram has a TrustKit score of 21/25 while Lumo (Proton) scores 23/25. Lumo (Proton) currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

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

Cogram scores 5/5 for data residency (German company with EU-based cloud infrastructure. Data processed and stored within the EU. Strong data sovereignty positioning for European customers.), while Lumo (Proton) scores 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.).

Are Cogram and Lumo (Proton) GDPR compliant?

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

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