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Screenshots

  • JellyCalc screenshot 1
  • JellyCalc screenshot 2
  • JellyCalc screenshot 3

About JellyCalc

JellyCalc is a planning and design app for jelly-roll rug makers. It combines accurate fabric calculations with JellyCalc Designer, an interactive visual designer, so you can plan and design your rug with confidence. JellyCalc Calculator Calculate fabric and strip consumption for your jelly-roll rug based on size and layout. Adjust dimensions and instantly see how your requirements change. JellyCalc Designer Design your rug visually using colors from a palette, or real fabric strips from existing jelly-roll precuts. Resize your rug and watch the design update in real time — create a mockup that closely matches how your finished rug will look once sewn. Whether you want precise calculations, a visual preview, or both — JellyCalc helps you plan smarter and sew with confidence. Terms of Use (EULA): https://jellycalc.com/terms Privacy Policy: https://jellycalc.com/privacy

What’s new

Version 1.0.77 · Updated 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

App privacy

The developer, Zuzana Havlickova, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Purchases: Purchase History
  • Contact Info: Email Address, Name
  • Identifiers: User ID

Used for: App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Diagnostics: Crash Data

Used for: App Functionality

Alternatives to JellyCalc

Looking for apps like JellyCalc? Here are 6 similar apps on the App Store. The highest rated is TideStitch: Quilt Designer (4.9/5), and all 6 are free to download.

JellyCalc vs. alternatives
App Rating Price Last updated Compare
JellyCalc 5.0 / 5 (3 ratings) Free October 12, 2026
TideStitch: Quilt Designer 4.9 / 5 (24) Free Oct 23, 2026 Compare
Quiltful 4.4 / 5 (36) Free Mar 11, 2026 Compare
Stitchout 4.3 / 5 (4) Free Sep 30, 2026 Compare
My Quilts 4.7 / 5 (415) Free Aug 31, 2026 Compare
FlorianiT 2.6 / 5 (53) Free Feb 18, 2024 Compare
SewCanShe Sewing Bee 4.5 / 5 (39) Free Oct 21, 2026 Compare

Compare JellyCalc with the top alternatives: ratings, updates, ASO score and keyword gaps →