Comparison

SeamStack vs Sewing Pattern Tracer

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

Head to head
About

SeamStack

Organize all your sewing projects, from current works-in-progress to completed creations. Track project details, store measurements with history, and access built-in size charts. Build a personal archive of your sewing journey.

Highlights
  • Project tracking with status and photos
  • Measurement profiles with history
  • Built-in size charts (inches/cm)
  • Cloud storage for data backup
  • Clean and intuitive design
Features
Read full description

SeamStack is the organizational tool sewists have been asking for. Keep all your projects in one place - titles, notes, status, and photos of each creation. See what you're working on now and remember everything you've completed. Store measurements exactly how you need them. Create profiles for everyone you sew for, choose inches or centimeters, and watch how measurements change over time. Important profiles stay pinned at the top. Reference built-in size charts whenever you need them. With SeamStack, you're building your own sewing archive. Look back at what you've made, see how your skills have grown, and feel proud of everything you've created. Features: Project tracking with status updates and photos Measurement profiles with history tracking Built-in size charts (switch between in/cm) Cloud storage that keeps everything safe Clean design that doesn't get in your way SeamStack: Simple. Useful. Yours.

About

Sewing Pattern Tracer

This app transforms sewing pattern PDFs into usable fabric templates without printing. It allows users to upload, crop, arrange, and trace pattern lines directly onto fabric using augmented reality. Ideal for home sewists and costume makers seeking a digital solution for pattern transfer.

Highlights
  • AR tracing on fabric
  • PDF pattern import
  • Page arrangement
  • Offline project saving
  • Adjustable AR opacity and scale
Features
Read full description

Sttchr turns sewing pattern PDFs into something you can actually use on fabric, without printing full-size sheets or taping pages together on the floor. Upload your pattern, crop away the margins, arrange the pages the way they fit in real life, then hold your phone over your fabric and trace the lines right on screen at true size. PERFECT FOR • Home sewists working from digital PDF patterns • Cosplay and costume builds with multi-page layouts • Anyone who wants a clearer way to transfer pattern lines to fabric HOW IT WORKS Upload: Import a pattern PDF from Files or iCloud. Crop: Trim registration marks and white borders, and apply one crop to all pages if you like. Arrange: Drag pages into the correct layout, just like spreading a paper pattern. Trace: Open AR Studio, point your camera at your fabric or cutting mat, and see the pattern laid on top at real size, ready to trace. KEY FEATURES • Works offline after import. Your projects live on your device. • Pinch, pan, and rotate in AR to line the pattern up with your fabric and workspace. • Adjust opacity and scale while you trace. FREE AND PRO • Your first 2 uploads of your own PDFs are free. • Patterns you buy in the Sttchr shop are always free to trace, and each one comes with a year of Sttchr Pro. • Sttchr Pro gives you unlimited uploads and removes projector grids, so only your pattern lines stay. • Choose what you pay for Pro each month. Every price unlocks the same Pro, and new subscribers can try it free for 7 days. • Student, teacher, or money is tight? Email us and Pro is on us. No ID needed. Sttchr Pro is a monthly auto-renewing subscription. Payment is charged to your Apple ID when you confirm the purchase. It renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel it anytime in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://sttchr.com/privacy Contact for support: sttchr.app@gmail.com

Screenshots

SeamStack4 screens
Sewing Pattern Tracer4 screens

Verdict

The call

The clearest difference is rating: SeamStack at 5.0 against Sewing Pattern Tracer's 4.3. SeamStack also leads on in-app purchases (none vs 10) and update cadence (daily vs every 8 days). Sewing Pattern Tracer's advantage is ads (none vs shown). On price, review sentiment and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sewing Pattern Tracer sells 10 in-app purchases, starting at $5.00 per month. SeamStack asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SeamStack holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: SeamStack has 35 ratings behind it against 6, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

SeamStack ships an update daily, Sewing Pattern Tracer every 8 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard7 real differences · 3 level
SeamStack versus Sewing Pattern Tracer: the parameters behind the verdict, then further details
ParameterSeamStackSewing Pattern Tracer
PriceFreeFree
Rating5.0 (35 ratings) — better4.3 (6 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings35 — better6
Update frequencyDaily — betterEvery 8 days
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.0
Further details — not scored
Size43 MB35 MB
Age rating4+9+
DeveloperLowland KidsDara Girel-Mats

Customer experience

SeamStack

All ratings32 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews18 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sewing Pattern Tracer

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

SeamStack

Reported bugs

1 issue
  • None mentioned

Requested features

2 requests
  • Add fabric stash tracking
  • Integrate with more pattern companies

Sewing Pattern Tracer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SeamStack

No in-app purchases

10 purchases

Sewing Pattern Tracer

Subscriptions10
  • Sttchr Pro7 Days trial$5.001 Month
  • Sttchr Pro7 Days trial$7.001 Month
  • Sttchr Pro7 Days trial$8.001 Month
Show 7 more
  • Sttchr Pro7 Days trial$9.001 Month
  • Sttchr Pro7 Days trial$10.001 Month
  • Sttchr Pro7 Days trial$11.001 Month
  • Sttchr Pro7 Days trial$12.001 Month
  • Sttchr Pro7 Days trial$13.001 Month
  • Sttchr Pro7 Days trial$14.001 Month
  • Sttchr Pro7 Days trial$34.991 Year

Questions

Is SeamStack free?
SeamStack is free to download, with no in-app purchases.
Is Sewing Pattern Tracer free?
Sewing Pattern Tracer is free to download, with in-app purchases available.
Which has better reviews, SeamStack or Sewing Pattern Tracer?
SeamStack is rated higher. SeamStack averages 5.0 out of 5 from 35 ratings, while Sewing Pattern Tracer averages 4.3 from 6 ratings.
Do SeamStack or Sewing Pattern Tracer have ads?
SeamStack shows ads; Sewing Pattern Tracer does not.
Which is updated more often, SeamStack or Sewing Pattern Tracer?
SeamStack ships an update daily, and Sewing Pattern Tracer every 8 days. Most recently, SeamStack was updated on October 24, 2026 and Sewing Pattern Tracer on October 28, 2026.

Other comparisons