FJ Functions and Promo Builder

Develop by Shopify

$24.5

/ Month

Free plan available 7 Days Free Trial

Replace script with functions for discounts, shipping and more

Ready-made templates

Seamless migration

No coding

Custom functions

Advanced capabilities

About FJ Functions and Promo Builder

Launched Sep 12, 2024

Built by Shopify

Address

12333 Sowden Rd Ste B Unit 61824, Houston, TX, 77080, US

Website Support Portal Privacy policy Tutorial FAQ Document

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Description

The easiest way to build Functions for discounts, bundles & order rules. Migrate your scripts today!

Replace outdated Scripts with Function Junction and run smarter, highly targeted promotions. Effortlessly create custom discounts, bundles, shipping rules, and validations using a no-code campaign builder. Target customers based on conditions, qualifiers, and behaviors, and highlight offers directly on your storefront with Promo Blocks. Built with Shopify Functions for fast, reliable, and fully compatible promotions that save time, boost sales, and grow your business.

Conditional discounts, bundles, GWP, BOGO, shipping rules, validations, and more
Targeted campaigns. Deliver offers based on conditions, qualifiers, and behavior
Showcase your campaigns directly on your storefront with customizable blocks
Powered by Functions! Fast, reliable, fully compatible across all plans
Hassle-free management. Replace Scripts and run campaigns without coding

Pros

Effortless transition from scripts to functions
No coding required, making it user-friendly
Ready-made templates available for quick setup
Ability to create custom functions from the ground up
Seamless migration of existing scripts
Unlocks advanced functionality for stores
Streamlines customizations
Available to all Shopify plans

Cons

May have a learning curve for users unfamiliar with function-based logic
Potential for limited customization beyond provided templates and functions
Reliance on the app may increase dependency on third-party tools
Initial integration can be time-consuming for stores with complex scripts

Top Helpful Reviews

Negative Underwear

Mar 31, 2025 on Shopify

Function Junction made transitioning off Shopify Scripts super easy! We were able to move away from our complex scripts much sooner than expected—and without any major development costs. Setting up custom bundle discounts was incredibly straightforward, even with our more advanced use cases. The Presidio team went above and beyond, guiding us through the entire process and even adjusting their app to fit our needs. One of the best experiences I've had with an app developer!

Evermill

Mar 31, 2025 on Shopify

This app is an outstanding alternative to Shopify Scripts and surpasses any other discount app available on Shopify. It’s extremely user-friendly, and when building more complex setups, the support team is exceptionally helpful. Highly recommended!