Best upsell & checkout apps in 2026, ranked by data

1Bold Upsell score 72.3

4.4 ★ (528) from free Free tier

Boost Shopify sales w/ AI upsells, cross-selling & bundles. 1-click checkout upsell, cart drawer add-ons & post-purchase funnels. Smart order bumps & analytics.

Best for: These reviews suggest the app fits Shopify merchants that want guided upsell and cross-sell setup and are willing to work with support to tune offers.

Watch out: Watch for technical reliability issues and confirm the app is not disrupting cart or checkout performance after installation or updates.

2Honeycomb Upsell score 69.5

4.6 ★ (147) from free Free tier

Create high-converting Shopify upsell offers at every step of your customer journey to increase your Average Order Value and increase profits for your shop!

Best for: These reviews suggest the app fits Shopify merchants who want a relatively easy upsell and cross-sell tool with hands-on setup support and a useful free option.

Watch out: The main caveat is that when funnel logic or checkout-related features break, some merchants report slow resolution and meaningful business disruption.

3AfterSell score 68.7

4.8 ★ (885) from free Free tier

3% — detected on 102 of 3,797 tracked DTC brands

Boost AOV and increase sales with Aftersell — the leading Shopify app for post-purchase and checkout upsells. 1-click offers, easy setup, proven results.

Best for: These reviews suggest the app fits Shopify merchants that are serious about post-purchase upsells and want responsive help configuring funnels, targeting, and offers.

Watch out: Merchants may need support during initial setup or when working around platform or feature limitations.

4Rebuy score 68.7

4.7 ★ (743) from free Free tier

13% — detected on 508 of 3,797 tracked DTC brands

Upgrade your customer journey with Rebuy's flexible, integrated and customizable toolset: Smart Cart + Links, Post-Purchase, Re-Order Landing Page, and more.

Best for: These reviews suggest the app fits Shopify merchants that want guided implementation of upsell, cross-sell, cart, bundle, and personalization features to improve AOV and revenue.

Watch out: The main caveat is that deeper cart or checkout integrations may carry operational risk if updates are not carefully tested and supported.

5Zipify OneClickUpsell score 62.9

4.6 ★ (497) from $8/mo

2% — detected on 76 of 3,797 tracked DTC brands

Increase revenue & boost average order value overnight with pre & post-purchase upsells — without a designer or developer! True 1 click upsell funnels.

Best for: These reviews suggest the app fits Shopify merchants with steady sales volume who want post-purchase upsells, testing, reporting, and hands-on optimization support.

Watch out: Pricing may be a sticking point for very new, low-volume, or larger stores evaluating cost against incremental upsell revenue.