Knotly

Privacy Policy

Last updated April 22, 2026

App Name: Knotly
Website: useknotly.com
Contact: hey@sentez.co

1. Introduction and Scope

Knotly is committed to protecting the personal data of people who use our iOS app and website at useknotly.com (collectively, the “Services”). This Privacy Policy explains:

  • What data we collect
  • How and why we process it
  • With whom data may be shared
  • How long we keep it
  • What measures protect it
  • Your rights under GDPR, CCPA, and other privacy laws

By using Knotly, you acknowledge that your personal data may be processed in accordance with this Policy.

2. Data We Collect

Identity and Contact Information

  • Email address (only if you contact us for support or feedback)

Device and Technical Data

  • Device model and iOS version
  • App version, crash logs, and diagnostics
  • Region and language settings
  • Anonymous device identifiers (where permitted by iOS)

Usage Data

  • Number of patterns imported and rows counted
  • Feature usage patterns (which screens you visit, frequency)
  • Session duration
  • In-app preferences

Content Data

Patterns and material you bring into Knotly, including:

  • PDFs, photos, links, and pasted text you import
  • Project notes and progress (current row, time spent)
  • AI parsing results and assistant Q&A

Important: Pattern content is processed solely to provide the Service to you. It is not used to train AI models and not shared with third parties except providers strictly needed to process your request.

Transaction Data

  • Anonymous purchase / subscription status from the App Store

We do not see your name, billing address, or payment card details — Apple handles all payment processing.

Voluntary Information

  • Feedback you send us
  • Customer support messages
  • Survey responses

3. Methods of Collection

We collect data via:

  • Direct input from you (pattern uploads, settings, support requests)
  • Automated collection on your device during app usage
  • The Apple App Store (anonymous transaction and subscription data)

4. Legal Basis for Processing (GDPR)

We process data under the following legal bases:

  • Performance of a contract — providing the Knotly app and its features
  • Legitimate interests — security, debugging, basic analytics, service improvement
  • Compliance with legal obligations
  • Consent — for notifications, marketing emails, or optional tracking, where required

We follow GDPR principles of lawfulness, transparency, minimization, accuracy, integrity, and confidentiality.

5. Purposes of Processing

Core Functionality

  • Parsing your patterns into interactive, step-by-step views
  • Powering the AI assistant that explains stitches and abbreviations
  • Tracking your row count and project progress

Service Operation

  • Operating and maintaining the App
  • Optional iCloud sync across your devices
  • Ensuring consistent performance

Subscription / Purchase Management

  • Verifying your purchase status
  • Unlocking features you have bought

Personalization

  • Saving your preferences and project list
  • Restoring your last-opened pattern and row

Analytics & Improvement

  • Understanding which features knitters and crocheters use
  • Improving pattern parsing accuracy
  • Optimizing app performance and stability

Communication

  • Replying to your support requests
  • Sending essential service or account notices (non-marketing)

Security & Compliance

  • Preventing fraud and abuse
  • Complying with applicable laws

Marketing (Only with Consent)

  • Sending you optional product updates if you opt in

6. Storage and Retention

Pattern Content

  • Patterns you import are stored on your device, and in your iCloud if you enable sync.
  • Files sent to our AI processor are deleted from the processing pipeline shortly after parsing completes (typically within 30 days at most).

Usage & Analytics Data

  • Individual usage data is retained for up to 24 months.
  • Aggregated, non-identifying data may be kept indefinitely.

Transaction Data

  • Stored for up to 7 years for accounting and tax compliance.

Support Communications

  • Retained for up to 3 years.

When data is no longer needed, we delete or anonymize it.

7. Data Transfers and Third Parties

We may share limited data with trusted providers:

  • AI text and image processing providers (for pattern parsing and the assistant)
  • Cloud hosting and infrastructure
  • Crash reporting and analytics services
  • Apple (App Store payments and iCloud sync)

These providers process data only under our instructions and under confidentiality obligations.

Other Recipients

  • Government authorities where legally required
  • Professional advisors (legal, audit) under confidentiality

International Transfers

If data is transferred outside your jurisdiction, we use Standard Contractual Clauses (SCCs) or other lawful transfer mechanisms.

8. Your Rights

Depending on your jurisdiction (GDPR, UK GDPR, CCPA), you may have:

  • Right of access
  • Right to rectification
  • Right to erasure (“right to be forgotten”)
  • Right to restrict processing
  • Right to data portability
  • Right to object
  • Right to withdraw consent
  • Right to lodge a complaint with a supervisory authority

How to Exercise Your Rights

Email hey@sentez.co. We respond within the legally required timeframe (typically 30 days).

9. Security Measures

We protect personal data with:

  • TLS / HTTPS encrypted transmission
  • Encrypted storage on device and at rest in cloud providers
  • Strict access controls and authentication
  • Regular dependency and security reviews
  • Backup and recovery systems

Despite reasonable safeguards, no system is 100% secure. If you discover a vulnerability, please notify us at hey@sentez.co.

10. Tracking & Analytics

We may use:

  • Essential tracking — necessary for core functionality
  • Analytics tracking — to measure feature usage and stability
  • Preference tracking — to save your in-app choices

You can control tracking through iOS privacy settings (App Tracking Transparency). We do not use advertising identifiers for third-party ad networks.

11. Push Notifications

With your permission, we may send notifications related to:

  • Project reminders you create yourself
  • Account or purchase updates
  • App updates
  • Promotional content (only if you opt in)

You can disable notifications at any time in iOS Settings.

12. Children's Privacy

Knotly is not intended for children under 16. We do not knowingly process the personal data of children. If you believe a child has provided data, contact hey@sentez.co and we will delete it.

13. Pattern Content and Intellectual Property

  • You retain full ownership of every pattern, photo, and note you upload.
  • You grant Knotly a limited license to process your content solely to provide the Service.
  • We do not use your patterns or photos for AI training, marketing, or dataset creation.
  • Parsed results and progress data belong to you.

14. California Privacy Rights (CCPA)

California residents have rights including:

  • Right to know
  • Right to delete
  • Right to correct
  • Right to opt out of data sale or sharing
  • Right to non-discrimination for exercising privacy rights

We do not “sell” personal data under CCPA definitions.

15. European Privacy Rights (GDPR)

EU/EEA/UK users are entitled to GDPR protections. You may lodge complaints with your local supervisory authority. For details about our GDPR representative, contact hey@sentez.co.

16. Changes to This Policy

We may update this Policy periodically to reflect:

  • Changes in the law
  • New features in Knotly
  • Updated data practices

Updated versions will include a new “Last updated” date. For material changes, we will notify you in the App or by email. Continued use constitutes acceptance of the updated Policy.

17. Contact

For questions, concerns, or privacy requests:
hey@sentez.co
useknotly.com

We aim to reply within 30 days.