DeepL

High-accuracy AI translation for documents and text in 30+ language pairs

Duolingo Max

AI-powered language learning with GPT-4 roleplay and explanation features

DeepL

Excellent

25/25

Duolingo Max

Caution

11/25

Score Breakdown

DimensionDeepLDuolingo Max

Data Residency

Where is your data stored and processed?

DeepL: EU processing by default on AWS; explicit Data Residency add-on available for US and JP

Duolingo Max: All learner data hosted in the US. No EU data residency option. GDPR transfers handled via SCCs. Not suitable for public-sector EU organisations requiring in-region hosting.

5/5

EU processing by default on AWS; explicit Data Residency add-on available for US and JP

2/5

All learner data hosted in the US. No EU data residency option. GDPR transfers handled via SCCs. Not suitable for public-sector EU organisations requiring in-region hosting.

Legal Jurisdiction

Which laws govern the company and your data?

DeepL: German company under EU law; strong GDPR alignment; BSI C5 attestation

Duolingo Max: Delaware-incorporated US public company. Subject to CLOUD Act. GDPR compliance provided contractually rather than through jurisdictional equivalence.

5/5

German company under EU law; strong GDPR alignment; BSI C5 attestation

2/5

Delaware-incorporated US public company. Subject to CLOUD Act. GDPR compliance provided contractually rather than through jurisdictional equivalence.

Data Retention & Training

Is your data used for model training?

DeepL: Pro tier texts deleted immediately after translation; no use for AI training

Duolingo Max: Users can request data export and deletion. Anonymised learning data used to improve the adaptive model. Clear privacy policy with opt-out mechanisms for personalisation.

5/5

Pro tier texts deleted immediately after translation; no use for AI training

3/5

Users can request data export and deletion. Anonymised learning data used to improve the adaptive model. Clear privacy policy with opt-out mechanisms for personalisation.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

DeepL: SOC 2 Type II, ISO 27001, BSI C5 Type 2, and HIPAA certified

Duolingo Max: SOC 2 Type II reported. No ISO 27001. COPPA compliance self-attested. Certification portfolio is light compared to enterprise SaaS peers.

5/5

SOC 2 Type II, ISO 27001, BSI C5 Type 2, and HIPAA certified

2/5

SOC 2 Type II reported. No ISO 27001. COPPA compliance self-attested. Certification portfolio is light compared to enterprise SaaS peers.

Regulatory Fit

Suitability for regulated industries and professional services

DeepL: Excellent fit for EU-regulated industries including legal, pharma, and financial services

Duolingo Max: Well-suited for consumer and informal education use. Less appropriate for highly regulated institutional deployments. COPPA compliance makes it viable for K-12 with parental consent.

5/5

Excellent fit for EU-regulated industries including legal, pharma, and financial services

2/5

Well-suited for consumer and informal education use. Less appropriate for highly regulated institutional deployments. COPPA compliance makes it viable for K-12 with parental consent.

Total Score

25/25

11/25

Best For

DeepL

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, BSI C5 Type 2); regulated industries (ICO, BaFin); privacy-conscious teams who need strong data retention controls; teams on a tight budget; enterprises requiring SSO integration.

Duolingo Max

Best for teams on a tight budget.

Detailed Comparison

DeepL vs Duolingo Max: Trust & Compliance Comparison

DeepL (DeepL SE, DE) scores 25/25 overall with a Gold (Excellent) trust badge. High-accuracy AI translation for documents and text in 30+ language pairs. Duolingo Max (Duolingo, US) scores 11/25 with a Review Required (Caution) trust badge. AI-powered language learning with GPT-4 roleplay and explanation features.

Dimension-by-Dimension Breakdown

#### Data Residency

DeepL leads with 5/5 vs 2/5.

●DeepL (5/5): EU processing by default on AWS; explicit Data Residency add-on available for US and JP

●Duolingo Max (2/5): All learner data hosted in the US. No EU data residency option. GDPR transfers handled via SCCs. Not suitable for public-sector EU organisations requiring in-region hosting.

#### Legal Jurisdiction

DeepL leads with 5/5 vs 2/5.

●DeepL (5/5): German company under EU law; strong GDPR alignment; BSI C5 attestation

●Duolingo Max (2/5): Delaware-incorporated US public company. Subject to CLOUD Act. GDPR compliance provided contractually rather than through jurisdictional equivalence.

#### Data Retention & Training

DeepL leads with 5/5 vs 3/5.

●DeepL (5/5): Pro tier texts deleted immediately after translation; no use for AI training

●Duolingo Max (3/5): Users can request data export and deletion. Anonymised learning data used to improve the adaptive model. Clear privacy policy with opt-out mechanisms for personalisation.

#### Certifications

DeepL leads with 5/5 vs 2/5.

●DeepL (5/5): SOC 2 Type II, ISO 27001, BSI C5 Type 2, and HIPAA certified

●Duolingo Max (2/5): SOC 2 Type II reported. No ISO 27001. COPPA compliance self-attested. Certification portfolio is light compared to enterprise SaaS peers.

#### Regulatory Fit

DeepL leads with 5/5 vs 2/5.

●DeepL (5/5): Excellent fit for EU-regulated industries including legal, pharma, and financial services

●Duolingo Max (2/5): Well-suited for consumer and informal education use. Less appropriate for highly regulated institutional deployments. COPPA compliance makes it viable for K-12 with parental consent.

Certifications at a Glance

Certification	DeepL	Duolingo Max
BSI C5 Type 2	Yes	No
HIPAA	Yes	No
ISO 27001	Yes	No
SOC 2 Type II	Yes	Yes

Overall Verdict

DeepL has a clear trust advantage, scoring 25/25 compared to Duolingo Max's 11/25. DeepL particularly excels in data residency, legal jurisdiction, data retention & training, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, DeepL or Duolingo Max?

DeepL has a TrustKit score of 25/25 while Duolingo Max scores 11/25. DeepL currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do DeepL and Duolingo Max compare on data residency?

DeepL scores 5/5 for data residency (EU processing by default on AWS; explicit Data Residency add-on available for US and JP), while Duolingo Max scores 2/5 (All learner data hosted in the US. No EU data residency option. GDPR transfers handled via SCCs. Not suitable for public-sector EU organisations requiring in-region hosting.).

Are DeepL and Duolingo Max GDPR compliant?

Both tools are assessed across five compliance dimensions. DeepL has a regulatory fit score of 5/5 and Duolingo Max scores 2/5. Check the full comparison above for a detailed breakdown.

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