Privacy Policy for TalariaTreadTracker

Last Updated: November 3, 2025
Effective Date: November 3, 2025

TL;DR: We don't collect, sell, or share your data with anyone. Everything stays on your device and in your personal iCloud account.

Introduction

TalariaTreadTracker ("the App") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and protect your personal information.

Information We Collect

Health and Fitness Data (via HealthKit)

The App requests read-only access to the following HealthKit data:

• Workout Data: Running, walking, and hiking workouts (distance, duration, date, route data)
• Running Biomechanics: Cadence, stride length, ground contact time, vertical oscillation, and running power

User-Provided Data

You provide the following information when using the App:

• Shoe information (name, brand, purchase date, mileage limit, activity types)
• Photos of your shoes (optional)
• Workout-to-shoe assignments
• Shoe retirement status and dates

How We Use Your Information

On-Device Processing

All data analysis happens locally on your device:

• ML Classification: Trail vs. road detection using GPS route analysis
• Wear Analysis: Terrain-adjusted shoe wear calculations based on elevation, pace, and duration
• Performance Tracking: Pace degradation analysis comparing recent vs. historical workouts
• Biomechanics Analysis: Impact calculations based on your running form metrics
• Pattern Recognition: Predicted next run calculations based on your workout schedule

Data Storage

• Local Storage: Shoe data is stored locally using SwiftData in an App Group container
• iCloud Sync: If you're signed into iCloud, shoe metadata and workout assignments sync across your devices via CloudKit
• Photos: Shoe photos are stored locally with external storage and sync via iCloud

Important: HealthKit workout data remains on each device. Only workout UUIDs (identifiers) sync via iCloud, allowing each device to calculate mileage from its own HealthKit database.

Data Sharing and Disclosure

The only data transmission occurs between your own devices via your personal iCloud account (if enabled).

Your Data Rights and Controls

Access and Deletion

You have complete control over your data:

• Delete Shoes: Swipe to delete any shoe and its associated data
• Unassign Workouts: Remove workout assignments at any time
• Revoke HealthKit Access: Go to Settings → Health → Data Access & Devices → TalariaTreadTracker → Turn Off All
• Delete All Data: Uninstalling the app removes all local data. iCloud data can be deleted by signing out of iCloud or deleting the app from all devices.

iCloud Sync Control

• Disable Sync: Sign out of iCloud on your device to prevent syncing
• Delete Synced Data: Delete the app from all devices while signed into the same iCloud account

Data Security

We protect your information through:

• Encryption: All iCloud synced data is encrypted in transit and at rest using Apple's CloudKit security
• Local Storage: Data stored locally is protected by your device's security (passcode, Face ID, Touch ID)
• No External Access: Since we don't use external servers, there's no risk of data breaches from our side
• Minimal Data Collection: We only collect what's necessary for the app's core functionality

Children's Privacy

The App does not knowingly collect information from children under 13. The App is not directed at children, and we do not knowingly collect personal information from anyone under 13 years of age.

Third-Party Services

The App does not integrate with any third-party services, analytics platforms, or advertising networks.

The App uses only Apple's built-in frameworks:

• HealthKit: For reading workout and biomechanics data
• CloudKit: For syncing your data across your own devices
• SwiftData: For local data storage

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by:

• Updating the "Last Updated" date at the top of this policy
• Displaying an in-app notification (for material changes)

Continued use of the App after changes constitutes acceptance of the updated policy.

International Users

The App processes data locally on your device. If you use iCloud sync, your data is stored in Apple's iCloud infrastructure, which may involve data transfers across borders. Apple's iCloud is subject to Apple's Privacy Policy and Terms of Service.

California Privacy Rights (CCPA)

California residents have specific rights under the California Consumer Privacy Act (CCPA):

• Right to Know: You can request what personal information we collect (see "Information We Collect" above)
• Right to Delete: You can delete all your data by uninstalling the app
• Right to Opt-Out of Sale: We do not sell personal information
• Right to Non-Discrimination: We do not discriminate based on privacy choices

Since all data is stored locally or in your personal iCloud account, you have direct control without needing to contact us.

GDPR Compliance (European Users)

If you're in the European Economic Area (EEA), you have rights under the General Data Protection Regulation (GDPR):

• Data Controller: You are the controller of your own data; we provide the tool
• Legal Basis: Processing is based on your consent (HealthKit authorization) and contract performance (app functionality)
• Data Portability: Export your data by accessing your iCloud account
• Right to Erasure: Delete data by uninstalling the app and removing iCloud data

Contact Information

If you have questions about this Privacy Policy or our privacy practices:

Developer: Griffith Boggs
Email: talarialabs@proton.me
Website: talarialabs.app

For HealthKit data privacy questions, please refer to Apple's Privacy Policy

App Store Privacy Labels

For App Store compliance, here's how we answer Apple's privacy questions:

Data Collected (Linked to You)

• Health & Fitness: Workout data, running biomechanics (HealthKit)
• Photos: Shoe photos (optional, user-provided)
• User Content: Shoe names, brands, notes

Data Not Collected

• Contact information
• Location (beyond workout routes already in HealthKit)
• Identifiers
• Usage data
• Diagnostics
• Financial information
• Browsing history

Tracking

We do not track you across apps or websites

Open Source and Transparency

While the App's source code is not publicly available, we are committed to transparency:

• This privacy policy explains all data practices
• No hidden data collection
• No obfuscated tracking
• All processing happens on-device where you can verify via Apple's privacy controls

Your Trust Matters

We built TalariaTreadTracker with privacy as a core principle. We believe your health data is yours alone. That's why:

• Everything processes on your device
• No external servers or databases
• No third-party analytics or tracking
• No data sales or sharing
• Complete user control over all data

If you have concerns or questions, please reach out. We're here to help.