Post-purchase and checkout upsells promise 10–30% AOV lifts with one-click add-ons. Shopify merchants face a fork: CartHook's app-based approach versus Shopify's native checkout editor (Plus-only), with Rebuy, Zipify OCU, and Bold as additional contenders. Pricing transparency is poor—only CartHook and Shopify publish rates. We surface what's knowable and flag the gaps.
How we approached this
We reviewed vendor pricing pages, feature lists, and public integration documentation. Rebuy, Zipify OCU, and Bold Upsell do not publish pricing; their sections note this constraint. CartHook and Shopify pricing is quoted verbatim from source materials dated July 2026.
CartHook
CartHook
- +Post-purchase upsells trigger after payment, reducing checkout abandonment risk
- +No-code drag-and-drop builder; funnels launch in under five minutes per vendor claim
- +Advanced A/B testing, customer segmentation by order value and purchase history
- +Built-in multi-language translation support
- +Real-time analytics dashboard tracks conversion and upsell revenue
- +Works on all Shopify plans (Basic, Grow, Advanced, Plus)
- −1% revenue share on upsell sales adds variable cost; high-converting stores pay more
- −Usage tiers published without exact dollar amounts—approval flow shows max charge
- −Post-purchase timing means customers already committed; less opportunity for cart add-ons
- −No native checkout editor integration (app layer only)
CartHook's pricing page lists tiers by monthly order volume (100, 200, 500, 1K, 2.5K, 5K, 10K, 25K, 50K, 50K+) plus 1% of post-purchase revenue. The vendor notes merchants approve a maximum charge but are billed only for actual order volume. Exact tier prices are not published—approval occurs during onboarding. CartHook claims an ROI of 1700% (every $100 spent generates $1,700 in upsells) and reports over 10,000 active merchants. The app uses Shopify's post-purchase API, triggering upsell offers after payment completion; customers accept with one click, avoiding re-entry of payment details.
Shopify Native Checkout
Shopify Native Checkout
- +Native checkout editor with no third-party app layer; zero additional transaction fees
- +Shopify claims 15% higher conversion than competitors (vendor-published benchmark)
- +Checkout extensibility via Shopify Functions and app blocks (developer access)
- +Included in Plus; no per-upsell revenue share
- +Supports cart, checkout, and post-purchase extensions in one platform
- −Plus plan requirement ($2,300+/mo starting cost) locks out Basic/Grow/Advanced merchants
- −Checkout customization requires developer familiarity with Shopify Functions API for advanced use cases
- −No pre-built upsell templates—merchants build or hire developers
- −Lower-tier plans (Basic $29/mo, Grow $79/mo, Advanced $299/mo) have 'limited' checkout customization per pricing page
Shopify's pricing page lists Plus at 'from $2,300/mo,' with monthly billing starting at $399/mo. The Plus tier includes 'fully customizable checkout,' unlimited staff accounts, card rates from 2.25% + 30¢, and up to 200 POS Pro locations. Basic ($29/mo yearly), Grow ($79/mo yearly), and Advanced ($299/mo yearly) plans offer 'limited' checkout customization. Shopify's page claims the platform's checkout 'converts 15% better on average than other platforms.' Checkout extensibility is available via the Shopify Functions API and app blocks; native upsell/cross-sell rules are built in the Shopify admin or via developer tools. No per-transaction app fees apply—merchants pay only Shopify's standard card processing rates.
Rebuy
Rebuy
- +Known for AI-powered product recommendation engine (per third-party reviews)
- +Integrates with Shopify checkout and cart pages (app ecosystem presence)
- +Used by DTC brands for personalization and upsells (public case studies exist but not in research bundle)
- −No public pricing—quote-based model adds friction
- −Feature set not documented in available research; claims unverifiable
- −Vendor page unreachable during research window
Rebuy's vendor page was unreachable during research. Pricing, feature claims, and integration details are not available. Merchants considering Rebuy should request a demo and quote directly.
Zipify OCU
Zipify OCU
- +Known for post-purchase upsells (Zipify branding in Shopify app ecosystem)
- +One-Click Upsell feature marketed in app store listings (not verified in research bundle)
- −No public pricing—quote-based model
- −Feature set not documented in available research; claims unverifiable
- −Vendor page unreachable during research window
Zipify OCU's vendor page was unreachable during research. Pricing, feature claims, and integration details are not available. Merchants should request a demo and quote directly.
Bold Upsell
Bold Upsell
- +Bold Commerce offers multiple upsell/subscription apps (ecosystem presence)
- +Integration with Shopify checkout noted in public app listings (not verified in research bundle)
- −No public pricing—quote-based model
- −Feature set not documented in available research; claims unverifiable
- −Vendor page unreachable during research window
Bold Upsell's vendor page was unreachable during research. Pricing, feature claims, and integration details are not available. Merchants should request a demo and quote directly.
Verdict
- For Basic/Grow/Advanced Shopify plans: CartHook is the only documented option with public pricing. Usage tiers plus 1% revenue share; post-purchase upsells reduce checkout friction. Budget $200–500+/mo depending on order volume and upsell conversion.
- For Shopify Plus merchants: Test native checkout customization first. Zero per-upsell fees; included in the $2,300+/mo Plus subscription. If native tools lack needed segmentation or A/B testing depth, layer CartHook on top.
- For high-volume stores (10K+ orders/mo): CartHook's 1% revenue share compounds quickly. Plus merchants should exhaust native options; if staying on lower tiers, negotiate CartHook terms or consider tiered app alternatives (Rebuy, Bold) if they publish competitive pricing.
- For stores prioritizing speed to launch: CartHook's drag-and-drop builder and five-minute funnel setup (per vendor claim) beat developer-led Shopify Functions builds. Trade-off: 1% revenue share versus developer cost.
What we'd skip
- Rebuy, Zipify OCU, Bold Upsell without published pricing: Quote-based models add 2–4 weeks to evaluation. Unless a vendor surfaces pricing during demo, assume enterprise pricing ($500+/mo or revenue share). CartHook and Shopify native are transparent upfront.
- CartHook for Plus merchants before testing native: You're already paying $2,300+/mo for checkout customization. Adding CartHook's 1% revenue share duplicates cost unless native tools provably underperform in A/B tests.
- Shopify native for merchants on Basic/Grow/Advanced: 'Limited' checkout customization per the pricing page means no upsell rule builder. Upgrading to Plus solely for upsells costs $2,000+/mo—CartHook is cheaper until you hit $200K+/mo in upsell revenue (1% of $200K = $2K/mo, the Plus threshold).
