Apollo.io

All-in-one sales intelligence and engagement platform

Lumo (Proton)

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

Apollo.io

Strong

17/25

Lumo (Proton)

Excellent

23/25

Score Breakdown

DimensionApollo.ioLumo (Proton)

Data Residency

Where is your data stored and processed?

Apollo.io: Data primarily hosted in US-based cloud infrastructure. No EU-specific data residency option currently available.

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.

3/5

Data primarily hosted in US-based cloud infrastructure. No EU-specific data residency option currently available.

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

Which laws govern the company and your data?

Apollo.io: Incorporated in Delaware, USA. Clear terms of service and data processing agreements available for enterprise customers.

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.

4/5

Incorporated in Delaware, USA. Clear terms of service and data processing agreements available for enterprise customers.

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

Is your data used for model training?

Apollo.io: Contact data retained as part of the shared database. User activity data retained for the duration of the subscription.

Lumo (Proton): Zero-access encryption on conversations. User data explicitly never used for model training. Open-source code enables independent verification of privacy claims.

3/5

Contact data retained as part of the shared database. User activity data retained for the duration of the subscription.

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

ISO 27001, SOC 2, Cyber Essentials, etc.

Apollo.io: SOC 2 Type II and ISO 27001 certified, demonstrating strong security controls and information security management.

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.

4/5

SOC 2 Type II and ISO 27001 certified, demonstrating strong security controls and information security management.

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

Suitability for regulated industries and professional services

Apollo.io: GDPR and CCPA compliant with DPA available. B2B contact database model relies on legitimate interest basis under GDPR.

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.

3/5

GDPR and CCPA compliant with DPA available. B2B contact database model relies on legitimate interest basis under GDPR.

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.

Total Score

17/25

23/25

Best For

Apollo.io

Best for teams on a tight budget.

Lumo (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

Apollo.io vs Lumo (Proton): Trust & Compliance Comparison

Apollo.io (Apollo.io, US) scores 17/25 overall with a Silver (Strong) trust badge. All-in-one sales intelligence and engagement platform. 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

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

●Apollo.io (3/5): Data primarily hosted in US-based cloud infrastructure. No EU-specific data residency option currently available.

●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

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

●Apollo.io (4/5): Incorporated in Delaware, USA. Clear terms of service and data processing agreements available for enterprise customers.

●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 3/5.

●Apollo.io (3/5): Contact data retained as part of the shared database. User activity data retained for the duration of the subscription.

●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

Both score equally at 4/5.

●Apollo.io (4/5): SOC 2 Type II and ISO 27001 certified, demonstrating strong security controls and information security management.

●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

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

●Apollo.io (3/5): GDPR and CCPA compliant with DPA available. B2B contact database model relies on legitimate interest basis under GDPR.

●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

Certification	Apollo.io	Lumo (Proton)
ISO 27001	Yes	Yes
SOC 2	No	Yes
SOC 2 Type II	Yes	No

Overall Verdict

Lumo (Proton) has a clear trust advantage, scoring 23/25 compared to Apollo.io'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, Apollo.io or Lumo (Proton)?

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

How do Apollo.io and Lumo (Proton) compare on data residency?

Apollo.io scores 3/5 for data residency (Data primarily hosted in US-based cloud infrastructure. No EU-specific data residency option currently available.), 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 Apollo.io and Lumo (Proton) GDPR compliant?

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

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