# MySizer vs Bobbin

The clearest difference is price: Bobbin at Free against MySizer's $1.99. Bobbin also leads on update cadence (every 6 weeks vs every 38 months) and iOS requirement (17.0 vs 26.1). MySizer's advantage is in-app purchases (none vs 3). On review sentiment, ads and device support there is nothing between them.

Bobbin is free to download; MySizer costs $1.99 up front. Bobbin sells 3 one-off in-app purchases. MySizer asks for nothing beyond the download.

MySizer ships an update every 38 months, Bobbin every 6 weeks. The most recent releases landed on November 1, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | MySizer | Bobbin |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/bobbin-sewing-organizer/id6744337422/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 6 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 105 MB |
| Requires iOS | 26.1 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peter Buttiker](https://appshunter.io/developer/393742296) | [Dabble Product Company, LLC](https://appshunter.io/developer/1782150020) |

## What reviewers say

### MySizer

[App page](https://appshunter.io/ios/app/mysizer/id451996812)

Easily convert jeans, shoe, and shirt sizes across different international systems. Ideal for travelers needing to find the right fit abroad.

**Highlights:** Convert jeans sizes, Convert shoe sizes, Convert shirt sizes, Supports European sizes, Supports UK sizes, Supports USA sizes

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 MySizer free?

MySizer costs $1.99, with no in-app purchases.

### Is Bobbin free?

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

### Do MySizer or Bobbin have ads?

Neither MySizer nor Bobbin shows ads.

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

MySizer ships an update every 38 months, and Bobbin every 6 weeks. Most recently, MySizer was updated on November 1, 2026 and Bobbin on October 20, 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.*