# SeamStack vs Bobbin

The clearest difference is in-app purchases: SeamStack at none against Bobbin's 3. SeamStack also leads on update cadence (daily vs every 6 weeks) and ratings volume (32 vs 6). Bobbin's advantage is ads (none vs shown). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. Bobbin sells 3 one-off in-app purchases. SeamStack asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SeamStack against 5.0 for Bobbin. That said, the two scores are not equally well evidenced: SeamStack has 32 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, Bobbin every 6 weeks. The most recent releases landed on September 30, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | SeamStack | Bobbin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (32 ratings)](https://appshunter.io/ios/app/seamstack/id6742428055/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/bobbin-sewing-organizer/id6744337422/reviews) |
| Number of ratings | **32** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 6 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 43 MB | 105 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lowland Kids](https://appshunter.io/developer/1573796274) | [Dabble Product Company, LLC](https://appshunter.io/developer/1782150020) |

## 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


### Bobbin

[App page](https://appshunter.io/ios/app/bobbin-sewing-organizer/id6744337422)

Organize your sewing projects, patterns, and fabric stash. Create mood boards, document progress with photos and notes, and discover new patterns. Syncs across iPhone and iPad via iCloud.

**Highlights:** Mood board creation, Project management, Pattern and fabric cataloging, Import from web, Pattern discovery, iCloud sync, Family sharing

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-Day Free Trial | Free | one-time |
| Bobbin License | $12.99 | one-time |
| Bobbin License | $14.99 | one-time |


## Frequently asked questions

### Is SeamStack free?

SeamStack is free to download, with no in-app purchases.

### Is Bobbin free?

Bobbin is free to download, with in-app purchases available.

### Which has better reviews, SeamStack or Bobbin?

SeamStack and Bobbin are both rated 5.0 out of 5 on the App Store, from 32 and 6 ratings respectively.

### Do SeamStack or Bobbin have ads?

SeamStack shows ads; Bobbin does not.

### Which is updated more often, SeamStack or Bobbin?

SeamStack ships an update daily, and Bobbin every 6 weeks. Most recently, SeamStack was updated on September 30, 2026 and Bobbin on September 16, 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.*