Best Shopify Apps
Shopify Apps for Upsells
Upsell apps matter when the store wants higher order value through product-page offers, post-purchase offers, and recommendation-led add-ons. The strongest tools in this category are not broad 'conversion' apps. They solve the attach-rate job directly.
Upsell App Starting Points
Start with Essential Upsell if you want a practical AOV tool with low friction. Choose Frequently Bought Together when product pairing is the real upsell mechanism. Keep PushOwl on the shortlist when reactivation is part of how your upsell strategy works.
Quick Answer
Best overall
Essential Upsell & Cross Sell
Best for recommendation-led upsells through product
Frequently Bought Together CBB
Best for merchants that treat upsell
Brevo PushOwl: Email,Push,SMS
Quick Comparison
Use this table to scan pricing, free-plan availability, review depth, and category fit before reading the fuller breakdown for each app.
 Essential Upsell & Cross Sell |  Frequently Bought Together CBB |  Brevo PushOwl: Email,Push,SMS | |
|---|---|---|---|
| Rating | 5.0(2,037) | 4.9(1,078) | 4.8(1,807) |
| Reviews | 2,037 | 1,078 | 1,807 |
| Starting Price | Free | $19.99/mo | Free |
| Free Plan | |||
| Category | Cart Customization | Discounts | Email Marketing |
| Key Features | Show frequently bought products (FBT), related products, product recommendations Post purchase upsell & cross sell: Product addons, bought together bundles Automatic discount promotions: Add discounts to upsell & "also bought" products | Use proven and smart AI-driven product recommendations for optimal results Fine-tune recommendations for each product to create your own product bundles Add four different types of bundle discounts for increased conversion rates | Brevo-powered email marketing, email popup, & email newsletter capabilities! Send personalized web push notifications & alerts, all with a single click! Use newsletter pop up, abandoned cart recovery, back in stock, & flash sales |
| Integrations | checkout, shopify admin, pagefly landing page builder | shopify admin, ryviu: product reviews & qa, yotpo reviews, judge.me reviews +4 | checkout, customer accounts, shopify flow, judge.me +5 |
| Languages | 1 languages | 9 languages | 6 languages |
| Launch Date | Jun 2024 | Mar 2017 | Jul 2017 |
| App Store |
Top Picks
Essential Upsell & Cross Sell
Best overall
Best low-friction upsell starting point for merchants that want product-page and post-purchase offers without a heavy implementation curve.
Key strengths
- Strong proof with free entry
- Good mix of offer placements
- Practical for quick AOV testing
Limitations
- More specialist than broad conversion defaults
- Less established than the biggest trust and retention leaders
Frequently Bought Together CBB
Best for recommendation-led upsells through product
Best for merchants that want recommendation-led upsells through product pairing and attach-rate optimization.
Key strengths
- Clear AI-guided pairing use case
- Strong specialist proof
- Good fit when pairing is the real opportunity
Limitations
- No free plan
- Narrower than broader bundle or retention tools
Brevo PushOwl: Email,Push,SMS
Best for merchants that treat upsell
Best for merchants that treat upsell partly as a reactivation job through alerts, return visits, and win-back messaging.
Key strengths
- Distinct reactivation channel
- Good complement to onsite upsell tools
- Useful for bringing intent back later
Limitations
- Usually strongest as part of a stack
- Less relevant if the main opportunity is only onsite offers
Best Apps by Use Case
Best overall
Best low-friction upsell starting point for merchants that want product-page and post-purchase offers without a heavy implementation curve.
Best for recommendation-led upsells through product
Best for merchants that want recommendation-led upsells through product pairing and attach-rate optimization.
Best for merchants that treat upsell
Best for merchants that treat upsell partly as a reactivation job through alerts, return visits, and win-back messaging.
Key Differences That Matter
- Essential Upsell & Cross Sell offers a free plan, which can matter for early-stage stores testing the category.
- Essential Upsell & Cross Sell has the stronger review footprint, which usually signals broader adoption and more merchant feedback to evaluate.
- Frequently Bought Together CBB appears to support a wider integration footprint, which can reduce stack friction for merchants.
How To Choose
- Start with pricing structure and free-plan logic so you do not overbuy before the workflow is proven.
- Use review depth as a trust signal, but do not treat the biggest incumbent as the automatic winner if the fit is wrong.
- Decide whether you need the best default option or a narrower specialist for a specific use case.
- Check integration fit with the rest of your stack, especially email, support, loyalty, or merchandising tools.
How We Evaluated These Apps
This page ranks apps by attach-rate fit, offer placement, proof, and whether they help through direct upsells, recommendation-led add-ons, or reactivation-led revenue recovery.
Frequently Asked Questions
What should merchants compare in Shopify Apps for Upsells?
Focus on pricing structure, free-plan availability, review quality, feature depth, integration compatibility, and how much operational complexity the app adds to your store.
Should merchants choose the highest-rated app by default?
Not always. Ratings matter, but the best choice usually comes from fit: category depth, setup requirements, support quality, and compatibility with the rest of your Shopify stack.
Do any apps in Shopify Apps for Upsells offer a free plan?
Yes. At least one app in this comparison offers a free plan, which is useful for early-stage stores or merchants validating a use case before committing.
Competitors
Essential Upsell & Cross Sell
See the full app page for Essential Upsell & Cross Sell and compare it more directly against the other shortlisted options.
Frequently Bought Together CBB
See the full app page for Frequently Bought Together CBB and compare it more directly against the other shortlisted options.
Brevo PushOwl: Email,Push,SMS
See the full app page for Brevo PushOwl: Email,Push,SMS and compare it more directly against the other shortlisted options.