# SeamStack vs Rototoy

The clearest difference is in-app purchases: SeamStack at none against Rototoy's 2. SeamStack also leads on update cadence (daily vs every 3 weeks) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Rototoy sells 2 in-app purchases, starting at $4.99 per month. SeamStack asks for nothing beyond the download.

SeamStack ships an update daily, Rototoy every 3 weeks. The most recent releases landed on June 11, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | SeamStack | Rototoy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (32 ratings)](https://appshunter.io/ios/app/seamstack/id6742428055/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 43 MB | 54 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lowland Kids](https://appshunter.io/developer/1573796274) | [Serious Engineering](https://appshunter.io/developer/1889321629) |

## 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


### Rototoy

[App page](https://appshunter.io/ios/app/rototoy/id6761393980)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RotoPlus Monthly | $4.99 | per month |
| RotoPlus Yearly | $39.99 | per year |


## Frequently asked questions

### Is SeamStack free?

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

### Is Rototoy free?

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

### Do SeamStack or Rototoy have ads?

Both SeamStack and Rototoy show ads.

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

SeamStack ships an update daily, and Rototoy every 3 weeks. Most recently, SeamStack was updated on June 11, 2026 and Rototoy on September 11, 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.*