The only product options & bundles app that actually tracks inventory. When a customer picks "Engraved Brass Plate" or "Gift Wrap (Red Velvet)," Optionfier ticks down stock like a variant would so you never oversell a custom product configuration.Build personalized products without code: text, swatches, uploads, dates, dropdowns, and more. One theme block install. Native cart bundles, conditionalvisibility, inventory-only (connected inventory) groups, and POS support — all built in.