Predictable checkout.
Upsells without revenue share.
Rebuy charges monthly fees that can grow with upsell success. CheckoutOS includes checkout upsells, ReplenishMe, checkout chat, and rewards from a $99/month entry plan.
$99/month. No revenue share.
Self-serve software or help with setup and migration.
Side by side
See exactly what you get with each one.
| Feature | Rebuy | Chargezen |
|---|---|---|
| In-cart upsells Product recommendations in cart | Included | Included |
| Post-purchase upsells One-click offers after checkout | Included | Included |
| AI recommendations Smart product suggestions | Included | Included |
| A/B Testing Test different offers and placements | Included | Included |
| Dynamic bundles Contextual bundle creation | Included | Included |
| Analytics dashboard Track extra sales and average order size | Included | Included |
| Shopify checkout integration Native checkout extensions | Included | Included |
| Thank you page offers Upsells on confirmation page | Included | Included |
| ReplenishMe Personalized reorder reminders | Not included | Included |
| Subscription upsells Convert one-time to recurring | Limited | Included |
| Checkout chat Live support during checkout | Not included | Included |
| Rewards integration Apply & earn points at checkout | Not included | Included |
| One customer record Support sees what happened at checkout | Not included | Included |
| Predictable pricing Flat monthly entry plan | Not included | Included |
| No order limits Unlimited orders, no tiers | Not included | Included |
What you’d really pay
Rebuy charges monthly fees plus revenue share. CheckoutOS includes checkout upsells, ReplenishMe, checkout chat, and rewards integration from a predictable $99/month entry plan.
Rebuy
Recurring fees forever. Costs scale with your upsell success.
Chargezen
Flat monthly entry pricing. No revenue share.
Plan your move from Rebuy
Check your data, billing dates and launch plan before you switch.
Audit your offers
We review your current Rebuy campaigns and performance.
Setup & configure
Our team implements CheckoutOS with your existing offers plus new features.
Test & optimize
Run A/B tests to validate performance matches or exceeds Rebuy.
Go live
Switch over to predictable monthly pricing.
"We were paying Rebuy $600/month and it kept going up as upsell revenue grew. CheckoutOS gave us the same upsell motion, plus ReplenishMe for repeat orders, with cleaner pricing."
CEO
CEO, High-volume Nutraceuticals
Why brands switch to Chargezen
Unified Platform
Run AI agents, texts and email, upsells, creators and subscriptions from one place.
AI-Powered
AI agents answer customers, follow up and handle everyday busywork for your team.
Clear Pricing
See prices and usage costs, billed monthly or yearly.
