Comparison

Quilt Math Quilting Tools vs Threadline

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Quilt Math Quilting Tools

Features
Read full description

Quilt Math β€” 30 Fabric & Yardage Calculators & Tools for Quilters Stop guessing how much fabric to buy. Quilt Math is a complete set of free quilting calculators that tell you exactly how much fabric, batting, and binding you need β€” plus reference guides and color-matching tools for every stage of a project. 17 Free Calculators β€’ Borders (up to 4 sequential rounds) & Lengthwise Borders β€’ Backing & Batting, plus Diagonally Pieced Backing β€’ Binding (double-fold) & Bias Tape β€’ Sashing with optional cornerstones β€’ Blocks Needed β€” how many blocks for any standard bed size β€’ Piece to Yardage & Yardage to Piece β€’ Strip to Yardage β€’ T-Shirt Quilt β€’ Setting Triangles & Flying Geese β€’ Square-in-a-Square & Shape Calculator β€’ Equivalent-Area Yardage Every calculator shows its own "How this is calculated" breakdown, so you're never just trusting a black box. 10 Reference Guides Standard quilt sizes, a measurement converter, PreCut and needle guides, a machine embroidery stabilizer guide, a batting type guide, and troubleshooting help for sewing machines, longarms, sergers, and embroidery machines. Color Conversion Tools Find the closest-matching color across thread brands (Glide, Isacord, Exquisite, Madeira, Hemingworth & more), solid quilting fabric lines (Kona, Bella, Confetti Cottons & more), and embroidery floss (DMC, Cosmo, and Anchor) β€” search by name/number or start from a swatch. Track Your Projects (Maker & Master Quilter) Sign in to save your calculation history across devices, organize results into quilt projects, and build a shopping list with categories. Pricing β€’ Free β€” every calculator, unlimited use, forever β€’ Maker ($1.99/mo or $19.99/yr) β€” cloud sync, up to 100 saved calculations, 10 quilt projects, 100-item shopping list, Conversion Tools included β€’ Master Quilter ($5.99/mo or $59.99/yr) β€” up to 1,000 saved calculations, 10 devices, 100 quilt projects, 1,000-item shopping list,, Conversion Tools included β€’ Conversion Tools only ($9.99/yr) β€” just the Thread, Fabric, and Floss conversion tools, for Free accounts that don't need the rest No ads. No account required to use any calculator. Built for quilters, by Quilt Elements.

About

Threadline

Features
Read full description

Plan your next quilt before you cut. Explore HST layouts and fabric colors, keep projects organized, create a manual cutting checklist and track progress, and use built-in binding, backing, and block calculatorsβ€”all privately on your iPhone. No account. No subscription. Your projects stay on your device and remain available offline. PLAN VISUALLY β€’ Paint quilt pieces with your fabric palette β€’ Adjust quilt size, block grid, and units β€’ Preview the finished layout as you design STAY ORGANIZED β€’ Keep quilt projects and variations together β€’ Track cutting progress piece by piece β€’ Use built-in binding, backing, and block calculators β€’ Export and share complete quilt plans with Studio FABRICS THAT FEEL LIKE YOURS Threadline Studio lets you photograph fabric or choose a photo, then bring its color into your project palette. FREE EDITION β€’ Pinwheel Garden sample project β€’ One personal quilt project β€’ Starter fabric palette β€’ Design, cutting, preview, and calculator tools THREADLINE STUDIO β€” ONE-TIME PURCHASE β€’ Unlimited quilt projects and duplicates β€’ Camera and photo-library fabric swatches β€’ Quilt-plan export and sharing β€’ Restore purchases using the same Apple Account No account is required. No subscription. Threadline Studio is available as a one-time in-app purchase.

Screenshots

Quilt Math Quilting Tools4 screens
Threadline4 screens

Verdict

The call

Quilt Math Quilting Tools and Threadline are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Quilt Math Quilting Tools sells 4 in-app purchases, starting at $1.99 per month and Threadline sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Quilt Math Quilting Tools ships an update fortnightly, Threadline every 3 weeks. Both last shipped on October 24, 2026.

ScorecardNo meaningful differences
Quilt Math Quilting Tools versus Threadline: the parameters behind the verdict, then further details
ParameterQuilt Math Quilting ToolsThreadline
PriceFreeFree
Update frequencyFortnightly β€” betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS15.015.0
Further details β€” not scored
Size12 MB32 MB
Age rating4+4+
DeveloperQuilt Elements LLCKynera Studios LLC

In-app purchases

4 purchases

Quilt Math Quilting Tools

Subscriptions4
  • Quilt Math Pro (Monthly)$1.991 Month
  • Master Quilter β€” Monthly$5.991 Month
  • Maker β€” Yearly$19.991 Year
Show 1 more
  • Master Quilter 1 Year Subscription$59.991 Year
1 purchases

Threadline

One-time1
  • Threadline Studio$19.99

Questions

Is Quilt Math Quilting Tools free?
Quilt Math Quilting Tools is free to download, with in-app purchases available.
Is Threadline free?
Threadline is free to download, with in-app purchases available.
Do Quilt Math Quilting Tools or Threadline have ads?
Neither Quilt Math Quilting Tools nor Threadline shows ads.
Which is updated more often, Quilt Math Quilting Tools or Threadline?
Quilt Math Quilting Tools ships an update fortnightly, and Threadline every 3 weeks. Most recently, Quilt Math Quilting Tools was updated on October 24, 2026 and Threadline on October 24, 2026.

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