What is Custom Price Calculator

Apippa Custom Price Calculator is a Shopify app that lets you charge dynamic, custom prices based on what your customer chooses or enters — instead of being limited to fixed variant prices.

What it does

With Apippa, you add a calculator to your product page where customers enter dimensions, pick options, choose quantities, or upload files, and the price updates live based on a formula you define. When they add to cart, the calculated price carries through to checkout.

What you can build

• Dimension-based pricing — charge by width × height, area (sqm/sqft), length, or weight (blinds, banners, fabric, flooring, signage).
• Add-on and options pricing — add surcharges for materials, finishes, extras, or personalization.
• Quantity and tiered pricing — price per unit, bulk discounts, or per-box calculations.
• File uploads and custom inputs — let customers attach artwork or enter custom text that flows onto the order.
• And many many more use cases

Who it's for

Any Shopify merchant selling made-to-order, custom-sized, or configurable products where a single fixed price doesn't work — print shops, window treatments, upholstery, signage, packaging, and more.

How to get started

1. Install the app from the Shopify App Store.
2. Build your first calculator (see Building a Calculator).
3. Assign it to a product and publish.
4. Preview on your storefront to see live pricing in action.

For definitions of the core building blocks, see High Level Definitions and Element Types.

Updated on: 26/07/2026