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| Decision field | Free + paidPattern TestersGlobalRemove | Open accessOpen Supply HubGlobalRemove | Open accessKnitting Needle to Crochet Hook Size ChartGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Source production | Learn techniques |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Production | Yarn |
| Best for | Coordinating an independent sewing-pattern test | Researching production locations and affiliations | Finding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gauge |
| Know before using | The interface and plan description do not prove tester reach, completion, feedback quality, fit validity, export quality, uptime, support, or suitability for an established release process. Measurements and photos can be sensitive personal data. Run a non-critical pilot, review the current privacy and service terms, define consent and photo rights, test exports and deletion, and keep pattern approval and release responsibility with the designer. | The platform combines stakeholder-contributed, public-list, facility-claimed, and partner data with different origins and update paths. A facility record, contributor connection, claim, certification field, or shared OS ID is not a quality endorsement, ownership finding, complete supplier relationship, current capacity statement, or due-diligence result. Inspect the source badges, contributors, dates, duplicates, claimed fields, and linked evidence, then verify the facility and intended business relationship directly. | A shared nominal diameter does not make a knitting needle and crochet hook interchangeable or predict equal gauge or fabric. The reference is not a physical measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, or project approval. |
| Practical access | |||
| For | Apparel brands | Apparel brands | Makers |
| Location or jurisdiction | Global | Global | Global |
| Access | Free + paid | Open access | Open access |
| Format | Software | Directory | Stitch Authority |
| Source type | First-party platform | Community database | Stitch Authority |
| Account, payment, and exit | |||
| Access scope | Not yet reviewed at this level. | Researcher or apparel team searching production locations or operationalizing facility data. | Not yet reviewed at this level. |
| Before an account | Not yet reviewed at this level. | Search and explore facility records without payment. The provider states that the platform is free to search, contribute to, and explore. | Not yet reviewed at this level. |
| Free-account boundary | Not yet reviewed at this level. | A free account supports search, contribution, profile viewing, and download of up to 5,000 production locations. | Not yet reviewed at this level. |
| Payment boundary | Not yet reviewed at this level. | Paid products support continuous API access, custom or bulk data work, and embedded maps. Cost and commitment vary by product and scale. | Not yet reviewed at this level. |
| Cancellation or exit | Not yet reviewed at this level. | The current solutions page does not state cancellation, renewal, or post-cancel terms for paid products. Resolve those terms in the order or contract before integration. | Not yet reviewed at this level. |
| Saved work and data | Not yet reviewed at this level. | The free account includes a bounded download; paid products add custom exports and API access. Contributor, claimed, and partner fields have different provenance and update paths. | Not yet reviewed at this level. |
| Source and review | |||
| What the source establishes | Pattern Testers currently offers application intake, tester selection, feedback, photos, approvals, issue tracking, revisions, a reusable tester directory, and release deadlines. The public pricing page shows a limited free plan and paid Pro and Business tiers. Its June 2026 privacy policy lists names, email addresses, measurements, photos, feedback, application history, and assignments among the data processed. | Open Supply Hub's current guide supports facility-name or OS ID, contributor, location, sector, parent-company, facility-type, processing-type, product-type, and worker-count searches, with contributor information visible on facility data. Manual search is open, a free account supports bounded data downloads, and paid services cover larger or programmatic access. | Rechecked July 28, 2026. The lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows, aligns hooks and needles only when their nominal millimetre value matches, and leaves missing rows or aliases unfilled. |
| Linked page reviewed | Jul 21, 2026 | Jul 28, 2026 | Jul 28, 2026 |
| Next review due | Jan 17, 2027 | Jan 24, 2027 | Jul 28, 2027 |
| Inspect | |||
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