Key Features

• Classic product bundles with fixed percentage or dollar-off discounts applied automatically
• Mix-and-match bundles allowing customers to pick their own combination of products
• Volume discount tiers with quantity breaks for wholesale or bulk ordering
• Bundle landing pages with dedicated URLs for marketing campaigns
• Shopify POS compatibility so bundles work in-store and online

Verdict on Bundler

Bundler is one of the best value-for-money bundle apps available. Its free plan is genuinely useful with unlimited bundles and volume discounts, while the paid tiers unlock advanced features like mix-and-match and analytics at extremely low price points. It is particularly well suited for stores that want to run classic bundle promotions and BOGO deals without complex setup.

Key Features

• Ajax Cart: add to cart from catalog without visiting product pages
• Auto-generated recommendation products after adding to cart
• Unlimited upsells with no viewer count charges
• Fully customizable Add to Cart button styles
• Google Analytics and Facebook Pixel tracking integrated

Verdict on NML

NML Quick Add to Cart is a completely free app for adding quick-purchase buttons and upsell recommendations to catalog pages. With zero reviews, it is unvalidated. But since it is free, there is no risk in testing. The GA and Facebook Pixel integration is a useful bonus.