Key Features

• Gamified, fully customizable multi-step bundle layouts with pre-built templates
• Supports multipacks, mix-and-match, variant bundles, build-a-box, gift boxes, and subscription bundles
• Multiple discount rules including tiered pricing, fixed-price bundles, and free gift thresholds
• Developer-friendly with open SDKs for completely custom bundle designs
• Inventory sync with all 3PL providers and built-in performance analytics

Verdict on EB

Easy Bundle Builder is the premium choice for merchants who need deeply customizable, gamified bundle experiences. The multi-step flow and build-a-box capabilities are best-in-class, and the SDK access makes it the top pick for stores with developer resources. The pricing is higher than competitors, but justified for stores doing serious bundle revenue. The free Starter plan lets you test the waters before committing.

Key Features

• Upsell, cross-sell, BOGO, BXGY, and frequently bought together in one app
• Progress bar with milestone rewards encouraging higher cart values
• Automatic free gift insertion and free shipping automation
• Custom rules, scheduling, and market targeting with multi-currency support
• Real-time analytics tracking promotion performance

Verdict on Zapio:

Zapio is a remarkable completely-free upsell app that includes features other apps charge $20-40/month for. The progress bar and milestone rewards system is a standout feature that drives spending increases. It is still very new with only 9 reviews, so reliability over time is unproven, but the feature set is genuine and the zero-cost entry makes it risk-free to try. A strong option for budget-conscious merchants.