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| Decision field | Open accessPattern Grading & Size-Run Validation RecordGlobalRemove | Free accountRavelryGlobalRemove | Free + paidThreadloop Sewing Pattern DatabaseGlobalRemove | Free accountSwatchOnGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Choose materials | Find patterns & fit | Choose materials |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Yarn | Patterns & fit | Materials |
| Best for | Auditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence | Broad pattern, yarn, and project research | Searching current and out-of-print sewing patterns | Sourcing swatches and low-MOQ fabric options |
| Know before using | The record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review. | An account is required and community, publisher, designer, shop, yarn, project, and connected-app records can vary in currency and accuracy. The checked public pages do not establish API credential eligibility, current endpoints, scopes, rate limits, support, app quality, or a complete account export. Search results, ratings, favorites, and project examples do not establish pattern accuracy, yarn availability, seller reliability, fit, gauge, or project suitability. Confirm current developer terms, files, errata, license, purchase and refund terms, measurements, yarn details, and shop information with the responsible source. | Community members add and quality-control the records, so confirm sizing, measurements, fabric suggestions, format, availability, errata, license, and purchase terms with the designer or publisher. Adding an entry to a stash does not provide the pattern files. Saved searches and private PDF storage are paid Plus features, and a listing or review does not establish pattern accuracy or fit. | SwatchOn's supplier status, counts, trust language, specifications, prices, availability, and account benefits are provider or supplier statements that can change. They do not independently establish fibre identity, performance, certification validity, mill ownership, production capacity, colour continuity, delivery, duty, or commercial fit. Review representative samples, test data, current certificates, the contracting entity, order terms, return limits, and landed logistics before purchase. |
| Practical access | ||||
| For | Apparel brands | Makers | Makers | Apparel brands |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Open access | Free account | Free + paid | Free account |
| Format | Stitch Authority | Community | Community | Marketplace |
| Source type | Stitch Authority | Community database | Community database | Commercial marketplace |
| Account, payment, and exit | ||||
| Access scope | Not yet reviewed at this level. | Knitter or crocheter researching patterns and yarns while keeping notebook records. | Sewer searching pattern records or organizing patterns, projects, fabric, notions, and private files. | Business or individual buyer sourcing fabric, trims, swatches, or custom printing through SwatchOn's marketplace and order workflow. |
| Before an account | Not yet reviewed at this level. | Official about, apps, Goodies, login, and signup pages are public. The useful database, notebook, community, and API root require sign-in. | Browse the pattern database, guide, designers, publications, and public community areas without creating an account. | Read the marketplace scope, material-category pages, service explanations, help articles, calculators, and legal policies. The checked signed-out pages do not expose the full product library, wholesale ordering, or sample-purchase workflow. |
| Free-account boundary | Not yet reviewed at this level. | A free account requires a valid email signup link and enables the database, notebook, directories, groups, and forums. The public Goodies page sends developers to an account-gated API group; it does not establish current credential eligibility, scopes, endpoints, rate limits, or support. | A free account needs no card and supports a stash, wishlist, projects, reviews, and personal organization. | After email verification, business and individual accounts receive product-library, wholesale-order, and sample-purchase access. A completed business profile and business proof add a sourcing manager and conditional swatch credits; the terms allow identity, business, or payment verification and account rejection. |
| Payment boundary | Not yet reviewed at this level. | The core platform account is free. Individual patterns and other marketplace items may have separate provider-set prices; those purchases are not a user subscription. | Plus adds PDF pattern storage, collections, saved searches, bulk editing, and other workflow features on monthly or annual billing. | The checked first-party pages disclose no recurring platform subscription. Buyers pay per sample or product order plus the checkout currency, shipping, duties, taxes, adjustments, and any agreed service fees; complimentary swatches or credits are conditional rather than universal free access. |
| Cancellation or exit | Not yet reviewed at this level. | The checked public about, login, and signup pages do not establish cancellation, deletion, or post-exit access. Verify the current in-account help before contributing records. | Cancel through an in-account link. Paid features remain through the current billing cycle, then the account returns to free features. | There is no subscription plan to cancel on the checked pages. The terms say a user may stop using the platform, while the privacy policy routes access, correction, portability, and deletion requests through support and permits retention for legal, accounting, dispute, and agreement-enforcement needs. |
| Saved work and data | Not yet reviewed at this level. | The Goodies page documents a stash spreadsheet and a Project Progress API JSON route, but it says exports are limited and does not establish one complete account export. Keep source files and critical records locally. | The terms say submitted materials remain yours, but the checked public pages do not explain a full export or how stored PDFs behave after downgrade. Keep originals outside the platform. | The platform can hold account and verification data, carts and orders, payment and shipping records, customs documents, artwork, supplier messages, reviews, and support tickets. The privacy policy offers copy, portability, correction, and deletion requests, but does not state a self-service full export, exact format, completion time, or complete deletion of retained transaction records. |
| Source and review | ||||
| What the source establishes | The guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments. | Ravelry's official description identifies a user-driven database of knitting and crochet patterns and yarns, searchable directories, and a personal notebook. Community members and volunteer editors maintain database records. The current official Goodies page exposes an account-gated developer API route, a limited Project Progress API JSON export, and a stash spreadsheet; the official apps directory lists third-party apps that connect to Ravelry. | Threadloop's official guide describes an independent, fully crowdsourced database covering available and out-of-print sewing patterns. Its search supports pattern type, fabric type, age group, body type, cup size, level, format, file features, language, measurements, availability, and other filters; members can also track a stash, wishlist, projects, reviews, and discussions. Current terms state that the free plan requires no card, paid upgrades start billing immediately, cancellation retains paid features through the current cycle, and the account then returns to free features. | SwatchOn's current marketplace page exposes fabrics, trims, and prints, with swatch samples, in-stock catalogue colours, low-order-quantity options, and global logistics support. Current account guidance places the full product library, wholesale ordering, and sample purchasing behind email verification, while the terms describe supplier-provided listings, per-order payment, cross-border charges, sample limits, and marketplace responsibility. |
| Linked page reviewed | Jul 27, 2026 | Jul 30, 2026 | Jul 28, 2026 | Jul 28, 2026 |
| Next review due | Jul 27, 2027 | Jan 26, 2027 | Jan 24, 2027 | Jan 24, 2027 |
| Inspect | ||||
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