Bold AI Upsell & Cross‑Sell vs Mercury ‑ Personalise & Upsell
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 3, 2026 for Bold AI Upsell & Cross‑Sell, Oct 13, 2026 for Mercury.
The short answer
- On the Shopify App Store: Bold AI Upsell & Cross‑Sell 4.4 from 1,615 reviews and Mercury 5.0 from 3 reviews.
- Paid plans start at $4.99/month for Bold AI Upsell & Cross‑Sell and $200/month for Mercury.
- Mercury lists 42 features Bold AI Upsell & Cross‑Sell’s listing doesn’t mention, including A/B testing, AI insights, AI search.
Head to head
Sell more with in-cart and post-purchase upsells & cross-sells
- United States
- United Kingdom
- Canada
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Shopify Basic
- · Cart Page & Drawer offers
- · Custom Cross-sellingCustom "TRUE" Upsell
- · Free Gift Offers
- · Funnel offers
- · Post Purchase offers
- · Rewards Announcement Bar
Shopify Grow
- · Cart Page & Drawer offers
- · Custom Cross-sellingCustom "TRUE" Upsell
- · Free Gift Offers
- · Funnel offers
- · Post Purchase offers
- · Rewards Announcement Bar
Shopify Advanced
- · Cart Page & Drawer offers
- · Custom Cross-sellingCustom "TRUE" Upsell
- · Free Gift Offers
- · Funnel offers
- · Post Purchase offers
- · Rewards Announcement Bar
Shopify Plus
- · Cart Page & Drawer offers
- · Custom Cross-sellingCustom "TRUE" Upsell
- · Free Gift Offers
- · Funnel offers
- · Post Purchase offers
- · Rewards Announcement Bar
Collection only
- · 50 Merchandising Campaigns
- · Customized Filters per collection
- · Live Indexing
- · No Code Collection Grid
- · Plutocracy Integrations
Search & Merch
- · 3rd party Integrations
- · Adaptive Search Engine
- · Analytics Engine
- · Collection Grid Plan
- · No Limits Merchandising Engine
- · Personalisation Engine
Pro
- · API Access
- · Custom AI Models
- · Dedicated Account Manager
- · Free JUNO license
- · One way synonym engine
- · Search & Merch Plan
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureMost upsell tools cover one or two touch-points. Bold Upsell covers all of them: product pages, cart, checkout, post-purchase, and email, with AI-powered offers that get smarter with every transaction. Use Smart AI to surface the highest-converting offers automatically, or build your own funnels with manual controls. Chain offers so every accept triggers the next opportunity.
Mercury is a no-code, drag-and-drop solution for delivering personalised product recommendations, upsells, and cross-sells. It enhances every step of the shopping journey, from product discovery to the cart. With AI-driven search and dynamic merchandising, Mercury ensures your store showcases the most relevant products at the right time, boosting conversions and AOV.
- AI Upsells - AI-powered, highly targeted upsell and cross-sell recommendations
- Upsell on product pages, cart, cart drawer, in & after checkout, & email upsells
- Use with Bold Subscriptions to convert one-time shoppers into subscribers
- Detailed upsell & cross-sell performance analytics, dashboard & weekly summaries
- AI Personalisation: Tailor product recommendations based on shopper behaviour
- Upsell & Cross-Sell Zones: Increase AOV with upsells from product pages to cart
- Dynamic Merchandising: Automatically display relevant products based on data
- Inline Banners: Scheduled banners (image/video) on grids & category pages
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 |  Bold AI Upsell & Cross‑Sell |  Mercury |
|---|---|---|
| Detected stores | 1,775 | Not published |
| Net store change, 28 days | −42 | 0 |
| Stores added, 28 days | 9 | Not enough data |
| Big-brand share | 21% | Not enough data |
| Top store categories | Apparel & Accessories, Health & Beauty, Food, Beverages & Tobacco | Not published |
| Top store countries | United States, United Kingdom, Canada | Not published |
Reviews
| Measure | Bold AI Upsell & Cross‑Sell | Mercury |
|---|---|---|
| App Store rating | 4.4 ★ | 5.0 ★(ahead) |
| App Store reviews | 1,615(ahead) | 3 |
| New reviews, 28 days | 2 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Bold AI Upsell & Cross‑Sell | Mercury |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $4.99/month(ahead) | $200/month |
| Longest free trial | 7 days | Not listed |
| Plans listed | 4 | 3 |
Listing
| Measure | Bold AI Upsell & Cross‑Sell | Mercury |
|---|---|---|
| Shopify category rank | #202(ahead) | #751 |
| Shopify App Charts | #18 in Upsell and cross-sell | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Apr 17, 2012 | May 4, 2020 |
| Languages | 1 | 1 |
| Developer | Bold | Plutocracy |
FAQ
Bold AI Upsell & Cross‑Sell and Mercury: common questions
- Is Bold AI Upsell & Cross‑Sell or Mercury cheaper?
- Paid plans start at $4.99/month for Bold AI Upsell & Cross‑Sell and $200/month for Mercury. 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, Bold AI Upsell & Cross‑Sell or Mercury?
- On the Shopify App Store: Bold AI Upsell & Cross‑Sell 4.4 from 1,615 reviews and Mercury 5.0 from 3 reviews.
- What features does each app list that the other doesn’t?
- Bold AI Upsell & Cross‑Sell lists 8 the others don’t mention, such as Cart drawer, Free gifts, Frequently bought together, Gift wrap. Mercury lists 42 the others don’t mention, such as A/B testing, AI insights, AI search, Announcement bar. 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 Nov 3, 2026 for Bold AI Upsell & Cross‑Sell, Oct 13, 2026 for Mercury; 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 Nov 3, 2026 for Bold AI Upsell & Cross‑Sell, Oct 13, 2026 for Mercury. 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.