Bundles on the product page,
offers all the way through.
Kaching Bundles is a top-rated app for quantity breaks and bundle offers on the product page. CheckoutOS covers bundles and adds checkout, post-purchase and thank-you page offers, rewards and checkout chat.$99/month. No revenue-based tiers.
Self-serve software or help with setup and migration.
Side by side
See exactly what you get with each one.
Who each one is best for. Choose Kaching Bundles if you mainly want quantity breaks and bundle offers on the product page at a low entry price. Choose CheckoutOS if you want checkout offers, post-purchase upsells, bundles, checkout blocks and cart rules from one app for $99 a month, with no per-order fees.
Checked October 16, 2026. Kaching Bundles facts come from the Kaching Bundles App Store listing. “Not listed” means those pages didn’t name the feature when we checked, not that Kaching Bundles can’t do it.
| Feature | Kaching Bundles | Chargezen |
|---|---|---|
| Bundles and quantity breaks Fixed, volume, mix-and-match and BOGO | Included | Included |
| A/B testing Test different offers | Included | Included |
| Subscription option on bundles Sell bundles as subscriptions | Included | With Chargezen Subscriptions |
| Post-purchase upsells One-click offers after checkout | Not listed | Included |
| Thank you page offers Offers on the confirmation page | Not listed | Included |
| Checkout offers Offers inside Shopify checkout | Not listed | Included |
| Rewards at checkout Show points as customers buy | Not listed | Included |
| Pricing by added revenue Price rises with the revenue it adds | Included | No, $99/month |
Kaching Bundles
- Bundles and quantity breaks
- Included
- A/B testing
- Included
- Subscription option on bundles
- Included
- Post-purchase upsells
- Not listed
- Thank you page offers
- Not listed
- Checkout offers
- Not listed
- Rewards at checkout
- Not listed
- Pricing by added revenue
- Included
Chargezen
- Bundles and quantity breaks
- Included
- A/B testing
- Included
- Subscription option on bundles
- With Chargezen Subscriptions
- Post-purchase upsells
- Included
- Thank you page offers
- Included
- Checkout offers
- Included
- Rewards at checkout
- Included
- Pricing by added revenue
- No, $99/month
What you’d really pay
Kaching prices by the extra revenue it brings in. CheckoutOS is one monthly price.
Kaching Bundles
- Starter, up to $1,000 added revenue
- $14.99/mo
- Scale, up to $5,000
- $29.99/mo
- Pro, up to $10,000
- $59.99/mo
- Above $10,000
- Not shown on the listing
Estimated Annual Cost
Depends on added revenue
Yearly plans are $131.88, $263.88 and $539.88. Free on development stores. Kaching Bundles App Store listing, checked October 16, 2026.
Chargezen
- CheckoutOS
- $99/mo
- Per-order fee
- $0
- Share of upsell revenue
- $0
- Revenue-based tiers
- None
Annual Cost
$1,188/year
CheckoutOS is $99/month, billed monthly, with no per-order fees. Pre-orders are included. Taxes are extra. Chargezen pricing.
Plan your move from Kaching Bundles
Check your data, billing dates and launch plan before you switch.
Talk through your move- 01
List your offers
Write down the Kaching offers, bundles and rules that perform best today.
- 02
Rebuild them in CheckoutOS
Create the same offers in the cart, checkout, post-purchase and thank-you page.
- 03
Test side by side
Use A/B tests to compare results before you switch everything over.
- 04
Turn off Kaching
Remove the old offers so customers only see one set.
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.
Ready to switch from Kaching Bundles?
See the products, prices and setup help that fit your brand.
Common questions
Kaching Bundles is $14.99/month up to $1,000 in added revenue, $29.99 up to $5,000 and $59.99 up to $10,000 (checked October 16, 2026). CheckoutOS is $99/month at any volume.
