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Data Processing Agreement

Last Updated: August 11, 2025

GDPR Article 28 Compliance: This Data Processing Agreement (DPA) governs the processing of personal data by Kielo App and complies with Article 28 of the General Data Protection Regulation (GDPR).

1. Parties and Definitions

Data Controller: The User of Kielo App services

Data Processor: Kielo App

Sub-processors: Third-party service providers engaged by Kielo App

Processing: Any operation performed on personal data (GDPR Article 4(2))

Personal Data: Any information relating to an identifiable natural person (GDPR Article 4(1))

2. Scope and Duration

This DPA applies to the processing of personal data by Kielo App on behalf of users in the context of providing language learning services. The agreement remains in effect for the duration of the service relationship.

3. Nature and Purpose of Processing

  • Service Provision: Delivering language learning services and customer support
  • Personalization: Customizing learning experiences based on progress
  • Analytics: Improving service quality through anonymized usage analytics
  • Communication: Sending service-related notifications
  • Security: Ensuring platform security and preventing fraud

4. Categories of Data Subjects and Personal Data

CategoryPersonal DataLegal Basis
App UsersEmail, display name, profile picture, learning preferencesContract performance
Learning ProgressLesson completion, vocabulary progress, daily streaksContract performance
Conversation PracticeVoice recordings (temporary), transcripts, performance scoresLegitimate interests
Technical DataSession tokens, error logs, security logsLegitimate interests

5. Security Measures

Technical and Organizational Security:

  • Encryption: AES-256 at rest, TLS 1.3 in transit
  • Access Controls: Multi-factor authentication, role-based access
  • Network Security: Firewalls, intrusion detection
  • Data Backup: Regular encrypted backups with geographic separation
  • Incident Response: 24/7 monitoring and response procedures

Reference: GDPR Article 32

6. Sub-processors

Current Sub-processors:

Sub-processorServiceLocation
Google Cloud PlatformCloud hostingEU (Europe-west1)
AI Speech ServiceVoice recognitionEU/EEA
Email ProviderTransactional emailsEU

We provide 30 days notice of any new sub-processors.

Reference: GDPR Article 28(2)

7. Data Subject Rights

GDPR Articles 15-22: We assist users with:

  • Access: User data exports within 30 days
  • Rectification: Update personal information anytime
  • Erasure: Account deletion with data purging
  • Portability: Machine-readable data export
  • Objection: Opt-out mechanisms for analytics

Contact connect+privacy@kielo.app for assistance.

8. Data Breach Notification

In case of a personal data breach, Kielo App will:

  • Notify affected users within 72 hours
  • Provide details about the breach and affected data
  • Describe measures taken to address the breach
  • Assist with regulatory notifications as required

Reference: GDPR Article 33-34

9. Data Retention

  • Account Data: Until deletion + 30 days
  • Learning Progress: Until account deletion
  • Voice Recordings: 24-48 hours (processing only)
  • Conversation Data: 2 years or until account deletion
  • Support Tickets: 3 years for quality assurance

10. Contact Information

Data Protection Officer: connect+privacy@kielo.app

Legal Department: connect+legal@kielo.app

Security Team: connect+security@kielo.app

Response Times:

  • GDPR requests: Within 30 days
  • Security incidents: Within 24 hours
  • General inquiries: Within 48 hours

This Data Processing Agreement complies with GDPR Article 28 and forms a legally binding addendum to our Terms of Service.