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.
Quilt Math Quilting Tools
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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.
Threadline
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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 calculatorsβall 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
Verdict
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
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.
Quilt Math Quilting Tools ships an update fortnightly, Threadline every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | Quilt Math Quilting Tools | Threadline |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly β better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 12 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Quilt Elements LLC | Kynera Studios LLC |
In-app purchases
Quilt Math Quilting Tools
- Quilt Math Pro (Monthly)$1.991 Month
- Master Quilter β Monthly$5.991 Month
- Maker β Yearly$19.991 Year
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- Master Quilter 1 Year Subscription$59.991 Year
Threadline
- Threadline Studio$19.99
Questions
Is Quilt Math Quilting Tools free?
Is Threadline free?
Do Quilt Math Quilting Tools or Threadline have ads?
Which is updated more often, Quilt Math Quilting Tools or Threadline?
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