TierGain ‑ Bundle Builder BYOB

TierGain is a bundle builder app that lets customers create custom bundles while unlocking tiered rewards like discounts, free shipping, and free gifts all in one bundle. The app supports 10 different bundle types including mix & match, meal builder, gift sets, subscription boxes, volume discounts, starter kits, and complete-the-set bundles. Set quantity or dollar thresholds to trigger rewards automatically at each tier. Category rules let you control min/max selections per step, with options for sequential or free-flow building modes. Server-side discounts work through Shopify Functions, so the app runs on any theme without coding. Setup takes under 5 minutes and helps increase average order value through progressive tiered rewards that combine multiple incentives in a single bundle experience.