Kairo ‑ Post Purchase Upsell vs Post Purchase Upsell—ReSell
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 9, 2026 for Post Purchase Upsell—ReSell.
The short answer
- On the Shopify App Store: Kairo 5.0 from 4 reviews and Post Purchase Upsell—ReSell 5.0 from 72 reviews.
- Only Kairo lists a free plan. Paid plans start at $8/month for Kairo and $0.99/month for Post Purchase Upsell—ReSell.
- Kairo lists 13 features Post Purchase Upsell—ReSell’s listing doesn’t mention, including Bundles, Click-through rates, Conversion rates.
Head to head
- United States
- United Kingdom
- Germany
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Development Stores
- · All features included
- · For development & partner stores
Unlimited
- · 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
Flex
- · 100 store orders free/mo
- · 24/7 chat, email, phone & video calls
- · 5% on upsell revenue
- · Free cart upsell add-on
Standard
- · 24/7 chat, email, phone & video calls
- · 250 store orders included/mo
- · Commission-free upsells
- · Free cart upsell add-on
- · Then $0.20 per order
Professional
- · 1,000 store orders included/mo
- · 24/7 chat, email, phone & video calls
- · Commission-free upsells
- · Free cart upsell add-on
- · Then $0.20 per order
Unlimited
- · 24/7 chat, email, phone & video calls
- · Commission-free upsells
- · Free cart upsell add-on
- · Lifetime price lock
- · No usage charges ever
- · Unlimited store orders
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureKairo'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.
Get an ultimate sales boost by reconverting buyers after payment: a post purchase offer before the thank you page, upsell bundles on the checkout page, upsell & cross sell with related products and recommended products. A post checkout upsell and order status page upsell keep selling, and a multi-product downsell follows a declined offer.
- 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
- Checkout and post-purchase one click upsell and automatic cross-sell offers
- Offer customers to make a new purchase with Thank you page upsell promotions
- Upselling and cross-selling widgets to improve your checkout and Thank you page
- Personalized recommendations or products that are frequently bought together
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 |  Kairo |  Post Purchase Upsell—ReSell |
|---|---|---|
| Detected stores | Not published | 53 |
| 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 | Apparel & Accessories, Home & Garden, Health & Beauty |
| Top store countries | Not published | United States, United Kingdom, Germany |
Reviews
| Measure | Kairo | Post Purchase Upsell—ReSell |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 4 | 72(ahead) |
| New reviews, 28 days | Not enough data | 2 |
| Reviewers a year or more in | Not enough data | 31% |
Pricing
| Measure | Kairo | Post Purchase Upsell—ReSell |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $8/month | $0.99/month(ahead) |
| Longest free trial | 14 days | 30 days |
| Plans listed | 2 | 4 |
Listing
| Measure | Kairo | Post Purchase Upsell—ReSell |
|---|---|---|
| Shopify category rank | #207 | #90(ahead) |
| Shopify App Charts | Not on this week’s charts | #20 on Featured by Shopify in Upsell and cross-sell |
| Built for Shopify | No | Yes |
| Launched | May 19, 2026 | Jun 28, 2022 |
| Languages | 1 | 4 |
| Developer | Kairo | DevIT |
FAQ
Kairo and Post Purchase Upsell—ReSell: common questions
- Is Kairo or Post Purchase Upsell—ReSell cheaper?
- Only Kairo lists a free plan. Paid plans start at $8/month for Kairo and $0.99/month for Post Purchase Upsell—ReSell. 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 Post Purchase Upsell—ReSell?
- On the Shopify App Store: Kairo 5.0 from 4 reviews and Post Purchase Upsell—ReSell 5.0 from 72 reviews.
- What features does each app list that the other doesn’t?
- Kairo lists 13 the others don’t mention, such as Bundles, Click-through rates, Conversion rates, Custom rules. Post Purchase Upsell—ReSell lists 3 the others don’t mention, such as AI recommendations, Free shipping, Frequently bought together. 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 9, 2026 for Post Purchase Upsell—ReSell; 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 9, 2026 for Post Purchase Upsell—ReSell. 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.