Privacy Policy

Cortex, Neurodivergent Health & Behavior Tracker

Last Updated: March 16, 2026 · Version 3.0

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1. Data Controller

Data Controller: Mohamad Sakkal

Trading as: MS

Location: Vienna, Austria

Contact: contact@msakkal.com

The Controller has not appointed a Data Protection Officer as the processing does not meet the thresholds requiring such appointment under Article 37 GDPR.

2. Legal Framework

This policy is governed by:

Health Data Notice: This App processes Special Category Data (health data) under Article 9 GDPR. Such processing is only permitted with your explicit consent.

3. Age Requirement

This Service is intended for users aged 16 years or older, in accordance with Article 8 GDPR regarding the age of digital consent. By using this App, you confirm that you are at least 16 years of age.

4. Data We Collect

4.1 Data You Provide

Data Category Examples Classification
Journal Entries Text or voice entries about daily experiences, symptoms, and observations Health Data
Medication & Supplement Logs Names, dosages, timing, accommodations Health Data
Personal Knowledge Medical history and preferences you teach the AI Personal Data

4.2 Apple HealthKit Data

With your explicit permission, we access:

HealthKit Data Purpose
Sleep Analysis Correlate rest patterns with symptoms
Heart Rate (BPM) Identify physiological stress markers
Heart Rate Variability (HRV) Track autonomic nervous system regulation
Workouts Auto-log exercise in Daily Intake (type, duration, calories)
Apple HealthKit Compliance:
HealthKit data will NOT be used for advertising, data mining, or sold to third parties. It is used solely to provide health insights within the App.

4.3 Technical Data

Data Type Purpose Retention
Error Logs Debugging and stability 30 days
App Preferences Store your settings Until app deletion

5. AI Processing

Important: AI analysis is the core functionality of this Service. To use the App, you must consent to the processing of your entries by AI systems.

How It Works

When you request AI analysis:

  1. Only relevant journal snippets are selected locally (using on-device semantic search)
  2. Selected content is transmitted securely to AI services
  3. AI generates insights and recommendations
  4. Data is processed transiently in memory and discarded immediately

What We Send to AI

Sent NOT Sent
Journal entry text Your name or identity
Medication & supplement logs Email address
Extracted pattern summaries Device identifiers
Sleep hours (from HealthKit, as context) Raw HealthKit data streams

AI Service Providers

Provider Service Purpose Location
Amazon Web Services AWS Bedrock — Anthropic Claude Haiku 4.5 Journal entry classification, pattern extraction, thread naming EU inference endpoint
Amazon Web Services AWS Bedrock — Anthropic Claude Sonnet Chat responses, report generation EU inference endpoint
Amazon Web Services AWS Bedrock — Amazon Nova Pro Chat responses (user-selectable) EU inference endpoint

On-Device Processing (no data leaves your device)

Technology Purpose
WhisperKit (OpenAI Whisper small.en) Voice-to-text transcription — runs entirely on-device
Apple NLContextualEmbedding Semantic search for finding related journal entries — runs entirely on-device
Data Security:
Data sent to AI services via AWS Bedrock is processed transiently in memory and discarded immediately after generating a response. It is not stored by AWS Bedrock, and is not used to train AI models, as per AWS standard service terms. Voice transcription and semantic search run entirely on your device — no audio or embedding data is ever transmitted.

6. Data Storage & Security

Local Storage

The majority of your data is stored locally on your device with:

Security Measures

7. Data Retention

Data Category Retention Period
Journal Entries, Patterns, Medications Until you delete them
HealthKit Data (cached) Until you revoke permission
AI-Generated Insights Until you delete them
Technical Logs 30 days (automatic)

8. Your Rights Under GDPR

Right How to Exercise
Access (Art. 15) View all data in-app or request a copy
Rectification (Art. 16) Edit entries directly in the App
Erasure (Art. 17) Delete entries in-app or request full deletion
Data Portability (Art. 20) Export to JSON/CSV in Settings
Withdraw Consent (Art. 7) Stop using app and contact us for data deletion
Lodge Complaint (Art. 77) Contact Austrian DPA (see below)

Austrian Data Protection Authority

Osterreichische Datenschutzbehorde

Barichgasse 40-42

1030 Vienna, Austria

Email: dsb@dsb.gv.at

Website: www.dsb.gv.at

9. Summary

Who we are Mohamad Sakkal (MS), Vienna, Austria
What we collect Journal entries, patterns, mood, HealthKit (with permission)
Why AI-powered behavioral pattern analysis
Legal basis Your explicit consent (required for health data)
Where data goes Stored locally; AI processing is transient (not stored)
Retention Until you delete; logs for 30 days
Age requirement 16 years or older

10. Contact

For questions or to exercise your rights:

Email: contact@msakkal.com

We respond within 30 days as required by GDPR.