Comparison

MySizer vs Bobbin

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

Head to head
About

MySizer

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
Read full description

The app „MySizer“ is an easy to use application for conversion of jeans, shoe and shirt sizes. Especially, if you are on a trip abroad and you want to know e.g. the size of a pair of shoes before buying them. Key Features: Easy to use interface Size systems from Europe, UK and USA

About

Bobbin

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
Read full description

Bobbin is the all-in-one app that helps you at every step of the sewing process, from concept to closet. Note: A paid license is required to use Bobbin. Once your free trial ends, an in-app purchase will be required to continue using the app. Your free trial does not automatically convert into a paid license, so you won't be charged unexpectedly. Featuring: - Collage Mode, which allows you to make mood boards of your sewing ideas, with photos, text, drawings, and cutouts Use Projects to: - Manage every detail of the sewing process - Consider patterns and fabrics side-by-side - Document your sewing project with photos and notes - Keep track of ongoing sewing projects by status Use Stash to: - Catalog your entire stash of sewing patterns and fabrics in an easy-to-use interface - Save time by automatically capturing sewing product details from a URL using Bobbin’s ‘Import from web’ feature - Document pattern details like size, difficulty, source, and more - Document fabric details like width, length, color, fabric type, and more - Easily add sewing patterns and fabrics to projects - Add patterns and fabrics to your wishlist to purchase later - Archive patterns and fabrics once you’ve used them Use Explore to: - Find your next make with a growing database of over 5,000 sewing patterns - Browse from your favorite pattern sources, from the big name brands to indie pattern makers - Patterns may link out to purchase from the pattern maker directly; Bobbin does not publish actual sewing pattern files - Advanced search and filter to find exactly what you want to make And more: - Works on iPhone and iPad: Bobbin syncs your sewing projects and data, as long as it’s the same iCloud account - Share with family: Bobbin’s paid license (available via one in-app purchase) works with iCloud Family Sharing, allowing you to share with up to 5 others - Private by design: Bobbin will never display ads or collect user data More features coming in upcoming updates.

Screenshots

MySizer4 screens
Bobbin4 screens

Verdict

The call

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.

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

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
MySizer versus Bobbin: the parameters behind the verdict, then further details
ParameterMySizerBobbin
Price$1.99Free — better
Rating—5.0 (7 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—7 — better
Update frequencyEvery 38 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.117.0 — better
Further details — not scored
Size1 MB105 MB
Age rating4+4+
DeveloperPeter ButtikerDabble Product Company, LLC

Customer experience

MySizer

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bobbin

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MySizer

No in-app purchases

3 purchases

Bobbin

One-time3
  • 30-Day Free TrialFree
  • Bobbin License$12.99
  • Bobbin License$14.99

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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