Bobbin vs SeamShift
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Mood board creation
- Project management
- Pattern and fabric cataloging
- Import from web
- Pattern discovery
- iCloud sync
- Family sharing
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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.
SeamShift
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SeamShift turns body measurements and finished-garment measurements into clear, repeatable pattern-alteration worksheets. Choose an alteration, see the exact formula and assumptions, follow a vector diagram, and keep the result with your sewing project. Includes full- and small-bust worksheets, waist-to-hip blending, length changes, shoulder width and a user-entered sway-back worksheet. Export PDF worksheets and CSV calculations, or create a validated JSON backup. SeamShift does not create copyrighted patterns and does not promise a perfect fit: always follow the pattern instructions and sew a test garment before cutting final fabric. No account, ads, tracking or developer server. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://viralcrew.de/apps/seamshift/privacy
Screenshots
Verdict
Bobbin and SeamShift are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Bobbin sells 3 one-off in-app purchases and SeamShift sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Bobbin | SeamShift |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 105 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Dabble Product Company, LLC | Jasko Hodzic |
In-app purchases
Bobbin
- 30-Day Free TrialFree
- Bobbin License$12.99
- Bobbin License$14.99
SeamShift
- SeamShift Pro Monthly$3.991 Month
- SeamShift Pro Yearly7 Days trial$17.991 Year
- SeamShift Pro Lifetime$29.99









