Shopify App Comparison 2026

Moon Bundles CartDrawer Upsell

5.0451 reviews
VS

Today's Project: Buy Button

4.813 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Moon and Today's Project: Buy Button to find the best fit for your store.

Built for Shopify

Create irresistible bundles, cart upsell, free gifts, BOGOs. Increase AOV with quantity breaks, volume discounts, cart drawer & post purchase upsell.

View Full Details

Key Features

  • Product bundles and free gifts with mix-and-match options and auto-applied bundle logic
  • Cart drawer and cart upsell functionality that works across all themes and third-party apps
  • Post-purchase upsells and customizable thank-you page offers
  • Volume discounts, quantity breaks, and BOGO deal builder
  • Bundle builder with fully customizable styling and layout options

Verdict on Moon

Moon Bundles is one of the best-value bundle apps on Shopify, combining bundles, cart drawer upsells, post-purchase offers, and volume discounts into a single install. The generous free tier and Built for Shopify badge make it a safe bet for any merchant. Its multi-language support and theme-wide compatibility stand out among competitors. The revenue cap pricing model is transparent — you only upgrade when your bundles are actually making money.

Display a sticky add-to-cart buy bar on product pages for faster purchasing and higher conversions.

View Full Details

Key Features

  • Sticky add-to-cart buy bar displayed across all product pages
  • One-click checkout for a faster purchase experience
  • Quantity selector for adding multiple items and increasing AOV
  • Fully customizable design with no developer needed
  • 100% compatible with Online Store 2.0 themes

Verdict on Today's

Today's Project: Buy Button is one of the most affordable conversion tools at just $3.95/month. The sticky buy bar keeps the purchase option visible as customers scroll, reducing friction. With 4.8 stars, 13 reviews, and 7+ years on the market, it is proven and reliable. Great value.

Frequently Asked Questions

What is a revenue cap?

The revenue cap is the maximum amount of bundle revenue your store can generate per month on each plan. The free Discovery plan caps at $500, Essential at $2,000, Pro at $10,000, and Premium is unlimited. Revenue beyond the cap requires upgrading.

Does Moon Bundles work with my theme?

Yes, Moon Bundles is designed for theme-wide compatibility and works with all Shopify themes including Online Store 2.0. The cart drawer also integrates with third-party apps and custom theme modifications.

Can I create BOGO deals?

Yes, Moon Bundles supports Buy One Get One deals, Buy X Get Y promotions, quantity breaks, and progressive free gifts. All can be configured from the bundle builder dashboard.

Does the buy bar work on mobile?

Yes, the sticky buy bar is fully responsive and works on all devices. It is compatible with all Shopify Online Store 2.0 themes.