FC Functions Creator & Scripts

The app works very well and has been reliable for my promotions. One improvement that would add real value is the ability to apply Buy X Get Y offers across multiple sets. For example, if the rule is “Buy 2 of Product X → Get 1 of Product Y,” it would be helpful if buying 4 units of Product X automatically triggered 2 rewards instead of only applying the offer once.

This adjustment would make the promotion logic more flexible for stores that rely on volume-based deals. Everything else has been smooth so far, and adding this option would make the app even more complete for everyday use.

This app has completely changed what I can do with Shopify. The flexibility is next level — I’m now running discount setups that I thought just weren’t possible. For example, I can tag items added via my bundle builder with a line-item property, and the app’s lets me build a native discount function that automatically applies the correct deal based on the condition/property. It works seamlessly and has opened up so many new promo options for us.

Even the basics are useful — like reordering shipping options so customers see our express upgrade first instead of defaulting to free. Small tweaks like that are impossible in Shopify by default, but Function Creator makes it easy.

On top of that, the support is excellent. The team genuinely goes above and beyond to help you get things set up and answr questions quickly.

If you’ve ever been frustrated by the limitations of Shopify’s standard discount engine, this app is a must-have. And that's just discounts, I'm still to explore the other types of functions.

An excellent app that provides flexibility and a variety of options for every idea that comes up!