Awesome!!
Response from developer
Thanks Lisa, we are super happy you love the app ❤️

This app helps users plan and design jelly-roll rugs with accurate fabric calculations and an interactive visual designer. Create mockups, adjust dimensions, and choose colors or fabric strips to visualize your finished rug before sewing.
1.0.77
October 12, 2026
- Fixed the design page freezing and having to sign out and back in - Saving now always saves what's on screen, and reopened designs keep their jelly-rolls - Faster first start and much lower data usage: jelly-roll textures now download only when you add them - Bug fixes and performance improvements
MoreAll Jelly-Rolls, auto design & exports
Thanks Lisa, we are super happy you love the app ❤️
JellyCalc is a planning and design app specifically for jelly-roll rug makers. It offers both precise fabric calculations and an interactive visual designer to help you plan your rug projects.
JellyCalc's calculator feature computes fabric and strip consumption based on your rug's size and chosen layout. You can adjust dimensions to see how your fabric requirements change instantly.
Yes, JellyCalc Designer allows you to visually design your rug. You can select colors or use real fabric strips from precuts and resize your rug to see the design update in real time.
JellyCalc is available on iPhone and iPod devices. It was last updated on October 12, 2026, with version 1.0.77.
JellyCalc offers a Premium Monthly subscription for $1.99/month and a Premium Yearly subscription for $19.99/year. Both plans include a 3-day free trial.
JellyCalc is designed to help users plan smarter and sew with confidence, making it beneficial for both experienced rug makers and those new to the craft who want precise planning tools.
No, JellyCalc is ad-free. The app is free to download and offers optional in-app purchases for premium features through subscriptions.
JellyCalc has an age rating of 4+, making it suitable for a wide range of users interested in crafting and design.