Reup: AI Product Accessories vs SellStack: Bundles & Upsells
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for Reup, Nov 8, 2026 for SellStack.
The short answer
- On the Shopify App Store: Reup 5.0 from 1 reviews and SellStack 5.0 from 4 reviews.
- Both list a free plan. Paid plans start at $9.99/month for Reup and $9/month for SellStack.
- SellStack lists 28 features Reup’s listing doesn’t mention, including BOGO, Build a box, Bulk pricing.
Head to head
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- France
- Mexico
- Romania
Free
- · CSV import and export
- · Custom CSS and storefront styling
- · Multilanguage support
- · One initial AI catalog scan
- · Stores up to 25 products
- · Unlimited manual groups
Starter
- · 1 full catalog rescan/month
- · Analytics
- · CSV import and export
- · Custom CSS and storefront styling
- · Daily New AI Product scan
- · Multilanguage support
Essential
- · 2 full catalog rescans/month
- · Analytics
- · CSV import and export
- · Custom CSS and storefront styling
- · Daily New AI Product scan
- · Multilanguage support
Professional
- · 2 full catalog rescans/month
- · Analytics
- · CSV import and export
- · Custom CSS and storefront styling
- · Daily New AI Product scan
- · Multilanguage support
Free
- · 1 Product
- · All features included
- · Branded Widget
- · Up to 50 orders/month
Growth
- · All features included
- · No branding
- · Unlimited products
- · Up to 1,000 orders/month
Scale
- · 5,000+ orders/month
- · All features included
- · No branding
- · Unlimited products
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureStop matching product accessories manually. Reupsell uses AI to scan your Shopify catalog and find products that belong together. A power drill can be matched with batteries, drill bits, chargers and carrying cases. A smartphone can be matched with cases, screen protectors and wireless chargers. A dress can be matched with shoes, bags and jackets.
SellStack provides a sales-boosting toolkit designed for Shopify order value optimization and customer loyalty. Build discount scenarios and adjust cart values by providing deals to your customers. The user-friendly interface requires no coding knowledge to start creating product bundle options in minutes. Leverage features like quantity breaks, volume discounts, and mix & match bundles.
- Displays the exact discount when choosing refurbished/open-box over new.
- Match your store design using built-in color pickers and custom CSS.
- Track views, clicks, and revenue for every open-box product sold.
- Flexible Bundles: Classic, Mix & Match, and multi-buy bundle options
- Quantity Discounts: “Buy 3 Get 2” & tiered bulk discounts
- Upsell & Cross-sell: Recommend related products in cart & product pages
- Flexible Offers: Percentage cuts, fixed discounts, and bundle rates
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Reup |  SellStack |
|---|---|---|
| Detected stores | Not published | 6 |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Health & Beauty, Apparel & Accessories, Electronics |
| Top store countries | Not published | France, Mexico, Romania |
Reviews
| Measure | Reup | SellStack |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 1 | 4(ahead) |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
Reup and SellStack: common questions
- Is Reup or SellStack cheaper?
- Both list a free plan. Paid plans start at $9.99/month for Reup and $9/month for SellStack. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Reup or SellStack?
- On the Shopify App Store: Reup 5.0 from 1 reviews and SellStack 5.0 from 4 reviews.
- What features does each app list that the other doesn’t?
- SellStack lists 28 the others don’t mention, such as BOGO, Build a box, Bulk pricing, Cart discounts. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 14, 2026 for Reup, Nov 8, 2026 for SellStack; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 14, 2026 for Reup, Nov 8, 2026 for SellStack. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.