PairShelf vs Profit Brain – AI Cross Sell
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 2, 2026 for PairShelf, Oct 13, 2026 for Profit Brain.
The short answer
- Paid plans start at $39/month for PairShelf and $14.99/month for Profit Brain.
- Profit Brain lists 8 features PairShelf’s listing doesn’t mention, including AI recommendations, Bundles, Click-through rates.
Head to head
Starter
- · 100 active product pairs
- · 1–8 recommended products per pair
- · 3-day trial for eligible first installs
- · 50 AI suggestions per month
- · Basic views, clicks and adds analytics
- · No cart rules or A/B experiments
Growth
- · 200 AI suggestions per month
- · 500 active pairs and rules combined
- · Monthly or yearly billing
- · No A/B experiments or bulk actions
- · No overage charges
- · Product and cart recommendations
Pro
- · 2,000 active pairs and rules combined
- · 50/50 recommendation experiments
- · 600 AI suggestions per month
- · All Growth features
- · Bulk activate or pause up to 20 pairs
- · Monthly AI reset, including yearly plans
Growth
- · AI-powered product pairing
- · AI-written badge and copy
- · Bundle discounts with margin floor
- · Margin & profit scoring
- · Storefront cross-sell widget
- · Weekly profit insight reports
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featurePairShelf lets you choose a trigger product and related items from your catalog, then display curated pairs on product pages or tag-matched cart recommendations. Review consented views, clicks, and adds retained for up to 30 days. Growth and Pro add source and placement breakdowns; Pro also includes 50/50 experiments and bulk actions.
Profit Brain connects to your catalog and scores every possible product pairing by margin, category fit, and value ratio. It then writes the headline, subtext, and badge text for each pairing and embeds a widget on your product pages. You review the pairings, activate the ones you want, and the widget goes live.
- Curate product page pairings from your Shopify catalog.
- Show cart recommendations when selected product tags match.
- Review consented views, clicks, and adds retained for 30 days.
- Compare 50/50 pairing experiments on Pro.
- AI scores every product pair by margin, relevance, and value fit
- Headline, subtext, and badge copy generated for each pairing
- One-click activation - widget goes live on product pages instantly
- Margin floor prevents pairings that would reduce your profitability
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 |  Profit Brain | |
|---|---|---|
| Detected stores | Not published | Not published |
| 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 | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Profit Brain | |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Profit Brain | |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $39/month | $14.99/month(ahead) |
| Longest free trial | 3 days | 14 days |
| Plans listed | 3 | 1 |
Listing
| Measure | Profit Brain | |
|---|---|---|
| Shopify category rank | Not enough data | #1114 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Nov 2, 2026 | Apr 23, 2026 |
| Languages | 1 | 1 |
| Developer | PairShelf | Code Pulse |
FAQ
PairShelf and Profit Brain: common questions
- Is PairShelf or Profit Brain cheaper?
- Paid plans start at $39/month for PairShelf and $14.99/month for Profit Brain. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- PairShelf lists 2 the others don’t mention, such as Cart upsell, Product recommendations. Profit Brain lists 8 the others don’t mention, such as AI recommendations, Bundles, Click-through rates, Conversion rates. 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 2, 2026 for PairShelf, Oct 13, 2026 for Profit Brain; 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 2, 2026 for PairShelf, Oct 13, 2026 for Profit Brain. 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.