Shopify app comparison
Rapi Bundles vs MBC Bundle Builder
Choose Rapi Bundles when you need mix-and-match or build-your-own-box offers. Choose MBC Bundle Builder when Customers need to choose products inside a box or kit. Choose neither if your current setup already does enough or the expected improvement would not justify the extra cost and work.
Rapi Bundles
You need mix-and-match or build-your-own-box offers. A broader bundle and upsell builder for stores that want mix-and-match, quantity and post-purchase experiments in one app.
Setup: Light setup
Official vendor website.MBC Bundle Builder
Customers need to choose products inside a box or kit. A build-your-own-box and mix-and-match bundle app for stores that need customer choice, step-based builders and component stock handling.
Setup: Moderate setup
Affiliate link. It never affects our advice.Neither yet?
Wait if the bundles problem is still occasional, your current setup already handles it or your team does not have time to use either app well.
See the simpler starting point →The differences that matter
Swipe the table to see both apps →
| What to check | Rapi Bundles | MBC Bundle Builder |
|---|---|---|
| What you get | Mix-and-match and build-your-own-box bundles, Quantity breaks and BOGO offers, Post-purchase upsells | Build-your-own-box journeys, Mix-and-match and step-based bundles, Component inventory handling |
| Important limitation | Revenue-tier pricing can rise with attributed performance. | Interactive builders require more mobile and accessibility testing. |
Rapi Bundles is the stronger fit when:
- You need mix-and-match or build-your-own-box offers
- You want A/B testing across bundle formats
- You have an owner for offer maintenance and analysis
MBC Bundle Builder is the stronger fit when:
- Customers need to choose products inside a box or kit
- Your warehouse must understand bundle components
- You can manage availability, limits and substitutions
What will you actually pay?
Rapi Bundles
Free up to USD 100 app revenue/monthNow listed as Rapid Bundles & Upsell. Monthly plans scale with app-generated revenue; annual discounts require an annual commitment.
Pricing checked 2026-09-07Check official pricing ↗MBC Bundle Builder
From USD 19.99/monthFree is for development and Partner stores. The published live-store plan lists no additional fees.
Pricing checked 2026-09-07Check official pricing ↗You might not need either yet
Wait if the bundles problem is still occasional, your current setup already handles it or your team does not have time to use either app well.
- You only need a simple fixed multipack
- You only need a fixed multipack
- The problem is still occasional, your current setup already handles it or neither app would create enough value to justify the extra cost and work.
Ready to set it up?
Start with one useful feature and test the customer journey before switching on more.
Set up Rapi Bundles
Use Rapi Bundles for a controlled first use case and expand only after the result is proven.
- Choose the commercial job
- Configure the bundle
- Create the measurement split
- Run storefront QA
Set up MBC Bundle Builder
Use MBC Bundle Builder for a controlled first use case and expand only after the result is proven.
- Define the first job
- Configure the smallest useful version
- Check the connected journey
- Run realistic tests
Checks that apply to either app
- The complete customer and operational journey works on mobile and desktop.
- Required Shopify data and integrations update once and in the intended place.
- A person responsible can resolve common failures without unsafe access or manual workarounds.
- The measured value is compared with software cost, team time and new support demand.
Common questions
Is Rapi Bundles better than MBC Bundle Builder?
Not automatically. Rapi Bundles is the better fit when you need mix-and-match or build-your-own-box offers. MBC Bundle Builder is the better fit when customers need to choose products inside a box or kit.
Which is easier to set up: Rapi Bundles or MBC Bundle Builder?
Rapi Bundles is currently classed as light setup, while MBC Bundle Builder is moderate setup. The real effort depends on your data, integrations, theme and the number of workflows you enable.
How should I test Rapi Bundles against MBC Bundle Builder before committing?
Choose one real customer journey and one measurable outcome. Complete the same checks for both options, including the complete customer and operational journey works on mobile and desktop. and required shopify data and integrations update once and in the intended place., then compare the result and the work your team had to do.
What should I measure after choosing Rapi Bundles or MBC Bundle Builder?
Record the current result before launch, then measure the customer outcome the app is meant to improve alongside app cost, support demand, errors and the time required to run it. Keep the app only when the total value is clear.
Can I switch between Rapi Bundles and MBC Bundle Builder later?
Usually, but switching can affect settings, customer data, theme placements, integrations and reporting. Export what you can, document the current setup and test the replacement before removing the original app.
Still comparing?
All bundles options →Sources and independence
Based on official app listings and vendor documentation, not a claim of hands-on testing of every feature. Affiliate relationships do not decide which app we recommend.
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