Product Addons Upsells engine vs SMART Checkout Upsells & Rules

Side-by-side comparison

Product Addons Upsells engine

5.0·6reviews

Increase AOV with product add-ons, group add-ons & one-click upsells

shopifyFree to install

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New comparison

SMART Checkout Upsells & Rules

5.0·845reviews

Validate checkout, add payment, shipping & discount rules, checkout blocks & post-purchase upsells

Built for ShopifyshopifyFree plan available

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At a glance

9 metrics · ★ = leads on this metric

Feature comparison between Product Addons Upsells engine and SMART Checkout Upsells & Rules
Metric	Product Addons Upsells engine	SMART Checkout Upsells & Rules
Rating	5.0 ★	5.0 ★
Total reviews	6	★ 845
Free plan	Yes	Yes
Pricing	Free to install	Free plan available
Built for Shopify	—	★ Yes
Listed features	5	5
Featured placements	—

AppRanks verdict

Generated from live data on this page

The call

On the measured data here, SMART Checkout Upsells & Rules leads on more dimensions (3 vs 0). Pick Product Addons Upsells engine if one of the points where it leads is what you need.

Where SMART Checkout Upsells & Rules leads

More published reviews: 845 vs 6.
Available in more languages: 18 vs 1.
Ranks higher in Upsell and cross-sell: #15 vs #208 of 1,328.

How this is generated

Built only from the Shopify App Store listing data shown on this page. AppRanks does not accept payment to influence comparisons. Read the methodology

Read each app's audit: Product Addons Upsells engine audit • SMART Checkout Upsells & Rules audit

1. Listing metadata

Field-level data

Field	Product Addons Upsells engine	SMART Checkout Upsells & Rules
Tagline	“Increase AOV with product add-ons, group add-ons & one-click upsells”	“Validate checkout, add payment, shipping & discount rules, checkout blocks & post-purchase upsells”
Listing audit	72/100 listing audit	87/100 listing audit
Screenshots	4 images	4 images
Languages	English	EnglishGermanSpanishFrenchHindi+13 more
Platforms	Shopify	Shopify
Developer	Zoww Apps

Languages	1 supported	18 supported

Listed since	May 2026	Sep 2024

Listed	May 26, 2026	September 11, 2024

Keyword	Product Addons Upsells engine	SMART Checkout Upsells & Rules
upsell quiz	#176	#24

Frequently asked

Common questions about this comparison

Is Product Addons Upsells engine or SMART Checkout Upsells & Rules cheaper?

Both Product Addons Upsells engine and SMART Checkout Upsells & Rules offer a free plan. Product Addons Upsells engine lists no paid plan with a published price; SMART Checkout Upsells & Rules lists no paid plan with a published price. Prices are as listed on the Shopify App Store; check what each tier includes in the Pricing section above.

Which has better reviews, Product Addons Upsells engine or SMART Checkout Upsells & Rules?

Product Addons Upsells engine (5.0★, 6 reviews) and SMART Checkout Upsells & Rules (5.0★, 845 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.

Should I choose Product Addons Upsells engine or SMART Checkout Upsells & Rules?

AppRanks cannot separate these two on rating — both sit at 5.0★. SMART Checkout Upsells & Rules does carry the larger published review base (845 vs 6). Read both apps' detail pages for the feature breakdown and recent listing changes.

Which is faster to set up, Product Addons Upsells engine or SMART Checkout Upsells & Rules?

Both apps are one-click installs from the Shopify App Store. AppRanks doesn't measure setup time directly; SMART Checkout Upsells & Rules has more published reviews to read for user-reported install experience (845 vs 6).

Which works better for small vs large Shopify App Store merchants?

AppRanks cannot say which fits a larger or smaller operation — there is no store-size measurement in the Shopify App Store data. What it can show: Product Addons Upsells engine has 6 published reviews; SMART Checkout Upsells & Rules has 845 published reviews. Compare plan limits and pricing tiers against your own volume.

Can I migrate data between Product Addons Upsells engine and SMART Checkout Upsells & Rules?

Migration support varies by app and category. Product Addons Upsells engine and SMART Checkout Upsells & Rules both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Product Addons Upsells engine" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.

Product Addons Upsells engine vs SMART Checkout Upsells & Rules

Product Addons Upsells engine

SMART Checkout Upsells & Rules

At a glance

AppRanks verdict

1. Listing metadata

2. Features

3. Categories & rankings

4. Category features

5. Search rankings

6. Featured placements & badges

7. Activity in the last 90 days

Product Addons Upsells engine · 0 changes

SMART Checkout Upsells & Rules · 4 changes

8. App details