PairShelf vs Tab Upsell & Bundles

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 25, 2026 for Tab Upsell & Bundles.

The short answer

  • Only Tab Upsell & Bundles lists a free plan. Paid plans start at $39/month for PairShelf and $49/month for Tab Upsell & Bundles.
  • Tab Upsell & Bundles lists 9 features PairShelf’s listing doesn’t mention, including Cart drawer, Click-through rates, Conversion rates.

Head to head

Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
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Categories
  • Upsell and cross-sell
  • Upsell and cross-sell
Languages
  • English
  • English
Launched
Nov 2, 2026
Aug 3, 2026
Built for Shopify
Not badged
Not badged
Reviews per month
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—
Detected stores
0active installs
0active installs
Most common store size
—
—
Top countries
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Free options
Free planFree trial
Free planFree trial
Monthly range
From $39 to $149/month
From $0 to $199/month
Plans
Starter$39/month
3-day free trial
  • · 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$69/month
  • · 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$149/month
  • · 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
FreeFree
  • · 50 Online Store orders / fixed 30 days
  • · 72-hour grace after exceeding 50 orders
  • · 90-day analytics + CSV export
  • · No automatic charges or upgrades
  • · Offers pause after grace if over limit
  • · Product page, cart + compatible drawer
Starter$49/month
14-day free trial
  • · 90-day campaign and product analytics
  • · CSV: 25,000 rows/batch; continue export
  • · Fixed and rotate strategies
  • · No limits on orders or storefront views
  • · Product page, cart + compatible drawer
  • · Unlimited upsell campaigns and bundles
Optimize$99/month
14-day free trial
  • · 365-day analytics history
  • · CSV: 100,000 rows/batch; continue export
  • · Everything in Starter
  • · Online Store REST API and JavaScript SDK
  • · Optional cross-sell optimization
  • · Unlimited storefront impressions
Scale$199/month
14-day free trial
  • · 730-day analytics history
  • · Attributed gross-profit optimization
  • · CSV: 500,000 rows/batch; continue export
  • · Everything in Optimize
  • · Observed profit guardrails
Coverage
5 of 14 features36%
13 of 14 features93%
Unique strengths
  • A/B testing
  • Cart drawer
  • Click-through rates
  • Conversion rates
  • Custom rules
  • +5 more
Upsell and cross-sell
36%5/14
93%13/14
Analytics
40%2/5
80%4/5
Customization
33%2/6
100%6/6
Offers and recommendations
33%1/3
100%3/3
149onlybothonly
PairShelfTab Upsell & Bundles14 features listed across both App Store listings

Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.

See every feature
Works with also listed by another
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How it sells itself

PairShelf 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.

Create fixed bundles, build-a-box offers, quantity breaks and optional add-ons with products you choose. Set eligible variants, quantities and fixed-price or discount offers. Sell through product pages, cart pages and compatible cart drawers. Let shoppers mix variants or complete a bundle using items already in their cart.

Key points
  • 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.
  • Control every candidate pool with Shopify's native product picker.
  • Show add-ons on product pages, cart pages, and compatible cart drawers.
  • Measure direct and assisted revenue with automatic refund clawbacks.
  • Keep every recommendation inside merchant-approved candidate pools.
Screenshots
Review consented views, clicks and adds in PairShelf
Create product pairs from your catalog in PairShelfMatch product tags and types for cart recommendationsPairShelf product-pair and cart-rule workspace
Campaign setup with placements and approved candidate pools
Optimize exposure within a merchant-approved product poolProduct page and cart add-on recommendationsNative Shopify product picker for selecting candidates

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.

Showing only the rows where the apps differ.

Adoption

MeasurePairShelfTab Upsell & Bundles
Detected storesNot publishedNot published
Net store change, 28 days00estimated
Stores added, 28 daysNot enough dataNot enough data
Big-brand shareNot enough dataNot enough data
Top store categoriesNot publishedNot published
Top store countriesNot publishedNot published

Reviews

MeasurePairShelfTab Upsell & Bundles
App Store ratingNot publishedNot published
App Store reviewsNot publishedNot published
New reviews, 28 daysNot enough dataNot enough data
Reviewers a year or more inNot enough dataNot enough data

Pricing

MeasurePairShelfTab Upsell & Bundles
Free planNot listedYes
Lowest paid monthly plan$39/month(ahead)$49/month
Longest free trial3 days14 days
Plans listed34

Listing

MeasurePairShelfTab Upsell & Bundles
Shopify category rankNot enough data#1065in Upsell and cross-sell
Shopify App ChartsNot on this week’s chartsNot on this week’s charts
Built for ShopifyNoNo
LaunchedNov 2, 2026Aug 3, 2026
Languages1English1English
DeveloperPairShelfTab Commerce

FAQ

PairShelf and Tab Upsell & Bundles: common questions

Is PairShelf or Tab Upsell & Bundles cheaper?
Only Tab Upsell & Bundles lists a free plan. Paid plans start at $39/month for PairShelf and $49/month for Tab Upsell & Bundles. 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 1 the others don’t mention, such as A/B testing. Tab Upsell & Bundles lists 9 the others don’t mention, such as Cart drawer, Click-through rates, Conversion rates, Custom rules. 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 25, 2026 for Tab Upsell & Bundles; 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 25, 2026 for Tab Upsell & Bundles. 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.