# SeamStack vs Sewing Pattern Tracer

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.

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.

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.

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.

## The numbers

| Metric | SeamStack | Sewing Pattern Tracer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (35 ratings)](https://appshunter.io/ios/app/seamstack/id6742428055/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/sewing-pattern-tracer-sttchr/id6764679595/reviews) |
| Number of ratings | **35** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 8 days |
| Monetization | **Ad-supported** | Freemium |
| Size | 43 MB | 35 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Lowland Kids](https://appshunter.io/developer/1573796274) | [Dara Girel-Mats](https://appshunter.io/developer/1895875997) |

## What reviewers say

### SeamStack

[App page](https://appshunter.io/ios/app/seamstack/id6742428055)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Helps track projects and measurements
- 😍 Useful and convenient
- 💡 Great for organizing sewing projects

**What reviewers complain about**

- None mentioned

**Reported bugs**

- None mentioned

**Requested features**

- Add fabric stash tracking
- Integrate with more pattern companies


### Sewing Pattern Tracer

[App page](https://appshunter.io/ios/app/sewing-pattern-tracer-sttchr/id6764679595)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sttchr Pro | $5.00 | per month |
| Sttchr Pro | $7.00 | per month |
| Sttchr Pro | $8.00 | per month |
| Sttchr Pro | $9.00 | per month |
| Sttchr Pro | $10.00 | per month |
| Sttchr Pro | $11.00 | per month |
| Sttchr Pro | $12.00 | per month |
| Sttchr Pro | $13.00 | per month |
| Sttchr Pro | $14.00 | per month |
| Sttchr Pro | $34.99 | per year |


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*