| Best fit | Made-to-measure goods priced from dimensions (blinds, signage, banners, cut-to-size) | Goods sold in packages or set units (flooring, tile, wallpaper rolls, turf, fabric by the unit) |
| How the price is set | Calculator works out the price of the custom item from your formula or size grid | Shopify catalog price × the calculated quantity of boxes, rolls or units |
| Free plan on a live store | Free for development stores only | Starter: 1 published area calculator on up to 3 products |
| Paid plans | $19.99, $29.99 or $49.99 a month, tiered by monthly revenue from custom products ($1,000 / $5,000 / $10,000) | Pro: $9.99 a month or $99.99 a year, not tied to your revenue |
| Free trial | 10 days | 14 days on Pro |
| AI-assisted setup | Yes, builds calculators from a description | Yes, editable AI drafts on Pro |
| Size-band price grids | Yes, paste from a spreadsheet | No; built around coverage per package |
| Waste allowance and whole-package rounding | See Apippa’s documentation | Built in, on every plan |
| Coverage when the cart quantity changes | See Apippa’s documentation | Purchased coverage follows the live cart quantity |
| Reviews | 4.9 stars from 210 reviews, Built for Shopify | New app (launched October 19, 2026), no reviews yet |