Kairo ‑ Post Purchase Upsell vs Upsell & Cross‑Sell SmartFlow

Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 26, 2026 for Kairo, Nov 4, 2026 for Upsell & Cross‑Sell SmartFlow.

The short answer

  • On the Shopify App Store: Kairo 5.0 from 4 reviews and Upsell & Cross‑Sell SmartFlow 5.0 from 35 reviews.
  • Only Kairo lists a free plan.
  • Kairo lists 6 features Upsell & Cross‑Sell SmartFlow’s listing doesn’t mention, including One-click add-ons, Quantity breaks, Subscription upgrade.

Head to head

App Store reviews

Kairo: 4
Upsell & Cross‑Sell SmartFlow: 35
Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
—
—
Categories
  • Checkout - Other
  • Upsell and cross-sell
  • Upsell and cross-sell
  • Checkout - Other
Languages
  • English
  • English
Launched
May 19, 2026
Jan 23, 2025
Built for Shopify
Not badged
Not badged
Reviews per month
1 last full month
10 last full month
Detected stores
0active installs
0active installs
Most common store size
—
—
Top countries
—
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Momentum

New reviews each month

Review pace is the clearest public read on how fast an app is winning new merchants.

0510SepDecFebMayAugOctKairo ‑ Post Purchase Upsell: 3 reviews in September 2026Kairo ‑ Post Purchase Upsell: 1 reviews in October 2026Upsell & Cross‑Sell SmartFlow: 2 reviews in September 2025Upsell & Cross‑Sell SmartFlow: 2 reviews in November 2025Upsell & Cross‑Sell SmartFlow: 1 reviews in December 2025Upsell & Cross‑Sell SmartFlow: 5 reviews in January 2026Upsell & Cross‑Sell SmartFlow: 1 reviews in February 2026Upsell & Cross‑Sell SmartFlow: 2 reviews in March 2026Upsell & Cross‑Sell SmartFlow: 1 reviews in May 2026Upsell & Cross‑Sell SmartFlow: 5 reviews in July 2026Upsell & Cross‑Sell SmartFlow: 10 reviews in August 2026Upsell & Cross‑Sell SmartFlow: 7 reviews in September 2026Upsell & Cross‑Sell SmartFlow: 10 reviews in October 2026
KairoUpsell & Cross‑Sell SmartFlowCompleted months only
Free options
Free planFree trial
Free planFree trial
Monthly range
From $0 to $8/month
—
Plans
Development StoresFree
  • · All features included
  • · For development & partner stores
Unlimited$8/month
14-day free trialUsage fee scales with monthly upsell revenue.
  • · 13 upsell page templates
  • · A/B tests for offers & whole flows
  • · AI setup builds your offers & flows
  • · Checkout customization (Shopify Plus)
  • · One-click upsells & downsells
  • · Surveys with discount code rewards
FreeFree
  • · Advanced Analytics
  • · Funnel Builder and Editor
  • · Live Chat
  • · Mobile Optimized
  • · One-Click Upsells and Downsells
  • · Thank you page editor
Coverage
21 of 24 features88%
18 of 24 features75%
Unique strengths
  • One-click add-ons
  • Quantity breaks
  • Subscription upgrade
  • Tiered discounts
  • +2 more
  • Cart upsell
  • Free shipping
  • Multi-currency
Upsell and cross-sell
88%21/24
75%18/24
Analytics
100%4/4
100%4/4
Customization
75%6/8
88%7/8
Offers and recommendations
92%11/12
58%7/12
6153onlybothonly
KairoUpsell & Cross‑Sell SmartFlow24 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
—
  • Checkout
How it sells itself

Kairo's AI reads your store and builds post-purchase upsell offers in 3 minutes, tailored to your products. No manual setup, and nothing goes live until you say so. Buyers accept one-click upsells after checkout, no card re-entry, and a downsell (cheaper offer) can follow a "no". Target flows by product, order value or customer, and A/B test them to see which earns more.

Integrated seamless post-purchase upsells. Smart Flow offers easy setup, custom designs, premade templates, one-click upsells, and detailed analytics. Enhance your strategy with A/B testing, personalized offers, and thank you page deals.

Key points
  • One-click post-purchase upsell and downsell offers with discount options
  • Flow builder with conditions, branching logic, and A/B testing
  • Checkout (Shopify Plus), thank you, and order status page customization
  • Visual drag-and-drop editor with 14 templates and 27+ block types
  • Design custom upsells w/ drag & drop builder & ready-to-use responsive templates
  • Target offers using product data, customer info & purchase data for max impact
  • Add timers, quantity limits & variant pickers to create urgency & flexibility
  • Track performance w/ detailed analytics on conversions & revenue per funnel
Screenshots
14 Templates. Pick One. Launch
Offers Flow BuilderTurn Every Order Into A Bigger OneOffers Your Customers Will Love
Intelligently avoid duplicate offers for better experience.
Design responsive upsell offers with no-code builder.Auto-adapt templates to customer screen sizes.Access comprehensive metrics for data-driven optimization.

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

MeasureKairoUpsell & Cross‑Sell SmartFlow
Detected storesNot publishedNot published
Net store change, 28 days0estimated0estimated
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

MeasureKairoUpsell & Cross‑Sell SmartFlow
App Store rating5.0 ★5.0 ★
App Store reviews435(ahead)
New reviews, 28 daysNot enough dataNot enough data
Reviewers a year or more inNot enough data0%

Pricing

MeasureKairoUpsell & Cross‑Sell SmartFlow
Free planYesNot listed
Lowest paid monthly plan$8/monthNo monthly plan listed
Longest free trial14 daysNot listed
Plans listed21

Listing

MeasureKairoUpsell & Cross‑Sell SmartFlow
Shopify category rank#207in Upsell and cross-sell#130(ahead)in Upsell and cross-sell
Shopify App ChartsNot on this week’s chartsNot on this week’s charts
Built for ShopifyNoNo
LaunchedMay 19, 2026Jan 23, 2025
Languages1English1English
DeveloperKairoAccessibilityWay

FAQ

Kairo and Upsell & Cross‑Sell SmartFlow: common questions

Is Kairo or Upsell & Cross‑Sell SmartFlow cheaper?
Only Kairo lists a free plan. 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, Kairo or Upsell & Cross‑Sell SmartFlow?
On the Shopify App Store: Kairo 5.0 from 4 reviews and Upsell & Cross‑Sell SmartFlow 5.0 from 35 reviews.
What features does each app list that the other doesn’t?
Kairo lists 6 the others don’t mention, such as One-click add-ons, Quantity breaks, Subscription upgrade, Tiered discounts. Upsell & Cross‑Sell SmartFlow lists 3 the others don’t mention, such as Cart upsell, Free shipping, Multi-currency. 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 26, 2026 for Kairo, Nov 4, 2026 for Upsell & Cross‑Sell SmartFlow; 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 26, 2026 for Kairo, Nov 4, 2026 for Upsell & Cross‑Sell SmartFlow. 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.