Candy Rack and Kairo take fundamentally different approaches to upselling on Shopify. Candy Rack shows offers before checkout — on product pages and in the cart. Kairo shows offers after checkout — between payment and the thank-you page.
This isn't just a timing difference. It changes conversion rates, cart abandonment risk, and how much revenue each approach generates. Let's compare.
Different Approaches to Upselling
Candy Rack (pre-purchase): Shows product recommendations, bundles, and add-ons on product pages and in the cart. The customer sees offers while still deciding whether to buy. This can increase average order value, but it also adds decision points that can lead to cart abandonment.
Kairo (post-purchase): Shows offers after the customer has completed checkout and paid. The original order is already confirmed. The customer accepts or declines with one click — no payment re-entry, no cart to reconsider. Zero risk to the original sale.
For a deeper dive into this difference, read our pre-purchase vs post-purchase upsells comparison.
Feature Comparison
| Feature | Kairo | Candy Rack |
|---|---|---|
| Upsell type | Post-purchase | Pre-purchase |
| Average conversion rate | 10-15% | 2-5% |
| Cart abandonment risk | None | Increases risk |
| One-click purchase | ||
| Flow builder | 10 condition types | |
| A/B testing | Limited | |
| Visual editor | 26 block types | Template-based |
| Thank you page | ||
| Customer surveys | ||
| AI recommendations | ||
| Product page upsells | ||
| Usage-based pricing |
Conversion Rate Comparison
This is the biggest difference between the two approaches:
- Candy Rack (pre-purchase): Typically converts at 2-5% of customers who see the offer
- Kairo (post-purchase): Typically converts at 10-15% of customers who see the offer
Why the 3-5x gap? Post-purchase customers have already committed to buying. They're in "buying mode," payment is done, and adding one more item is literally a single tap. Pre-purchase customers are still deciding — every additional offer is a potential distraction from completing checkout.
Candy Rack does have one advantage: reach. Pre-purchase offers are shown to all visitors, including those who don't convert. Post-purchase offers are only shown to customers who complete checkout. But the much higher conversion rate more than makes up for the smaller audience.
Pricing
Candy Rack charges a fixed monthly fee based on order volume: $19.99/mo (up to 50 orders), $39.99/mo (200 orders), and $59.99/mo (500 orders). No revenue fee, but you pay regardless of whether the upsells generate revenue. They offer an 8-day free trial.
Kairo charges based on upsell revenue, starting at $8/month with a 14-day free trial. Pricing scales with your upsell performance, so you pay more only as you earn more.
Using Both Together
Here's the thing: Candy Rack and Kairo aren't competitors. They cover different stages of the buying funnel and can work together:
- Candy Rack on product pages and cart for gentle pre-purchase suggestions
- Kairo after checkout for high-converting post-purchase offers
If your budget allows only one, start with Kairo — the 10-15% conversion rate and zero cart abandonment risk make it the higher-ROI investment.
The Verdict
Candy Rack is a good pre-purchase upsell app with AI recommendations and clean product page integrations. It's not a direct competitor to Kairo — they solve different problems.
But if you're choosing one upsell strategy, post-purchase wins. Higher conversion rates, no cart abandonment risk, one-click acceptance, and usage-based pricing. Kairo is the better investment for maximizing revenue per order.
Ready to boost your revenue?
Try Kairo free for 14 days. Usage-based pricing starts at just $8/month — and scales with your upsell revenue.
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