Shopify App Comparison 2026

GP - Wishlist & Upsell Suite

4.913 reviews
VS

Sumi: Full Page Bundle Builder

5.07 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for GP and Sumi: Full Page Bundle Builder to find the best fit for your store.

Boost sales with wishlists, upsells, bundles, and re-engagement reminders.

View Full Details

Key Features

  • Upsell offers on product and cart pages to boost conversions
  • Product bundles with discounts and performance tracking
  • Volume discounts to encourage larger cart sizes
  • Wishlist reminders with stock and price drop alerts
  • Guest wishlists with social sharing capabilities

Verdict on GP

GP Wishlist & Upsell Suite is a versatile all-in-one tool that combines wishlists with upsells, bundles, and volume discounts. The free plan is useful for testing, and the 14-language support is impressive. At $9.99-$19.99/month, it offers good value for stores wanting wishlist + upsell functionality in a single install.

Let customers mix and match to build their own bundles and boxes with automatic inventory sync.

View Full Details

Key Features

  • Flexible rules and discounts for custom bundle creation
  • Single or multiple step bundle builders
  • Automatic inventory sync with individual SKUs in orders
  • Design automatically matches your store theme
  • Fully optimized for mobile shopping experience

Verdict on Sumi:

Sumi is a clean, focused bundle builder with a perfect 5.0 rating. The auto-matching theme design and mobile optimization reduce setup friction. At $24/month with no free plan, it is priced for stores that are committed to bundling. Individual SKUs in orders simplify fulfillment.

Frequently Asked Questions

Can guests create wishlists without logging in?

Yes, GP supports guest wishlists that work without customer accounts. Guests can also share their wishlists via social media.

Does it send price drop alerts?

Yes, the app automatically sends email reminders when wishlist items have price drops or come back in stock, driving customers back to complete purchases.

Does Sumi track inventory for bundles?

Yes, inventory is automatically synced and individual product SKUs appear in orders, making fulfillment straightforward.

Does it match my store theme?

Yes, Sumi automatically matches your store theme styling so bundles look native to your store without manual design work.