Best Alternatives to SB Custom Product Fieldsfor Shopify (2026)

Curtain and Blind Calculator helps customers calculate curtain and blind dimensions.

Codebuy is a product recommendations app.

Faslet Size Me & Try On helps customers find the perfect size, which might be a good add-on if one of the custom fields involves sizing.

Falcon is a great way to A/B test new features to see what converts better.

Avis Product Options, Variants is a highly-rated app and could be a great starting point to review since the merchant is not happy with the primary app.

EasyFlow Product Options offers a wide range of customizable options, including text boxes, image swatches, and file uploads, with conditional logic and multi-currency pricing. This can be an ideal replacement for stores needing comprehensive product customization and personalization features.

LinkedOption Combined Listings focuses on linking separate products as variants, enhancing SEO, and providing visual variant selection options. It's a strong contender if the merchant needs to improve the SEO of their product variants or offer visually appealing selection options on product and collection pages.

While not a direct replacement for custom product fields, VQB offers a unique approach by using quizzes to personalize product recommendations and capture customer data. If the merchant also wants to use customer provided information to personalize products, this is a possible option.

OPTIS Color Swatch Variants focuses on visually appealing variant selection with swatches and image galleries. If SB Custom Product Fields lacks strong visual presentation of variants, OPTIS provides a compelling solution.

Product Rentals Pro is tailored for rental businesses, offering features like booking calendars and rental management tools. If SB Custom Product Fields is being used for a rental store, this specialized app is a must-evaluate.