Terms of Use
Last updated: 2026
1. Introduction
By using YarnMath Studio, you agree to the following Terms of Use.
2. Purpose of the App
YarnMath Studio is designed to help knitters and crocheters:
- Calculate estimated yarn usage
- Organize yarn stash entries
- Manage projects
- Store patterns
- Track progress
Some parts of the app rely on user-provided information and estimated calculation models.
3. No Guarantees
All calculations and tracking tools are provided for informational and organizational purposes only.
Estimated yarn usage may vary depending on:
- Yarn type
- Tension
- Stitch pattern
- Gauge accuracy
- Project construction
- Personal knitting or crochet style
The developer is not responsible for differences between estimated and real-world usage.
4. User Responsibility
Users are responsible for:
- Checking measurements, pattern instructions, and gauge before starting a project
- Verifying project requirements independently
- Reviewing any imported, stored, or linked files
Users must ensure all information is correct for their intended use.
5. Patterns and Files
YarnMath Studio may allow users to store, organize, and view pattern files for personal use.
Users are responsible for ensuring they have the right to use any files added to the app.
The developer does not claim ownership of:
- Uploaded pattern files
- Notes
- Project content
6. Intellectual Property
YarnMath Studio, including its:
- Design
- Calculations
- Branding
- Original content
is the property of the developer.
The app is not affiliated with, sponsored by, or endorsed by any:
- Yarn brand
- Pattern designer
- Publisher
- Manufacturer
- Retailer
All third-party names and brands remain the property of their respective owners.
7. Purchases and Subscriptions
Some features of YarnMath Studio require a paid subscription.
- Free and Pro features may change over time
- Payments, renewals, cancellations, and refunds are handled by Apple or Google
- These are subject to their respective platform policies
If you purchase a subscription, access to Pro features continues for the billing period unless canceled.
8. Changes to the App
Features, pricing, calculations, limits, and availability may:
- Change
- Improve
- Be removed
The developer may update the app or its plans without prior notice.
9. Limitation of Liability
To the fullest extent permitted by law, the developer is not liable for:
- Damages or losses
- Project or material costs
- Pattern-related issues
- Inaccurate estimates
- Lost progress
- File-related issues
- Purchase or billing issues handled by third-party platforms
- Workflow interruptions
10. Termination and Availability
The app and its features may be:
- Updated
- Limited
- Interrupted
- Discontinued
The developer does not guarantee:
- Continuous availability
- Compatibility with all devices or OS versions
- Compatibility with third-party file sources
11. Contact
For support or questions: