Shopify app comparison
Simple Bundles & Kits vs Rapi Bundles
Choose Simple Bundles & Kits when Kits with component inventory. Choose Rapi Bundles when you need mix-and-match or build-your-own-box offers. Choose neither if your current setup already does enough or the expected improvement would not justify the extra cost and work.
Simple Bundles & Kits
Kits with component inventory. Choose Simple Bundles when component inventory and fulfilment accuracy matter more than promotional bundle design.
Setup: Heavier setup
Official vendor website.
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.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 | Simple Bundles & Kits | Rapi Bundles |
|---|---|---|
| What you get | Fixed and mix-and-match bundles, Bundle inventory handling, Bundle discount logic | Mix-and-match and build-your-own-box bundles, Quantity breaks and BOGO offers, Post-purchase upsells |
| Important limitation | More operational setup than a lightweight bundle app. | Revenue-tier pricing can rise with attributed performance. |
Simple Bundles & Kits is the stronger fit when:
- Kits with component inventory
- Merchants integrating bundles with fulfilment or ERP systems
- Its strongest use case is operationally complex kits that must break into components for inventory, fulfilment or ERP workflows.
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
What will you actually pay?
Simple Bundles & Kits
FreeFree plan available. Paid tiers are $14 for Basic, $39 for Grow/Advanced and $149 for Plus stores per month. Check bundle and order limits.
Pricing checked 2026-09-07Check official pricing ↗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 ↗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.
- Stores needing only a simple promotional bundle
- You only need a simple 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 Simple Bundles & Kits
Use Simple Bundles & Kits for a controlled first use case and expand only after the result is proven.
- Define the operational bundle case and source hierarchy
- Choose Simple Bundles 2.0 and the order-processing fallback
- Select the plan, billing term and support scope
- Design the parent, component and builder architecture
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
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 Simple Bundles & Kits better than Rapi Bundles?
Not automatically. Simple Bundles & Kits is the better fit when kits with component inventory. Rapi Bundles is the better fit when you need mix-and-match or build-your-own-box offers.
Which is easier to set up: Simple Bundles & Kits or Rapi Bundles?
Simple Bundles & Kits is currently classed as heavier setup, while Rapi Bundles is light setup. The real effort depends on your data, integrations, theme and the number of workflows you enable.
How should I test Simple Bundles & Kits against Rapi Bundles 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 Simple Bundles & Kits or Rapi Bundles?
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 Simple Bundles & Kits and Rapi Bundles 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.
Read our methodology