Shopify app comparison
Pumper Bundles vs Assortion
Choose Pumper Bundles when you sell products where larger quantities are genuinely useful. Choose Assortion when you want bundles and cart upsells in one app. Choose neither if your current setup already does enough or the expected improvement would not justify the extra cost and work.
Pumper Bundles
You sell products where larger quantities are genuinely useful. A focused bundle and quantity-break app for merchants who want to test volume offers on selected products.
Setup: Light setup
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Assortion
You want bundles and cart upsells in one app. An all-in-one merchandising app for bundles, product add-ons, quantity breaks, cart offers and post-purchase upsells.
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 | Pumper Bundles | Assortion |
|---|---|---|
| What you get | Quantity breaks and volume discounts, BOGO and free-gift offers, Theme-matched bundle widgets | Product bundles and frequently bought together offers, Quantity breaks and product add-ons, Cart customisation and rewards |
| Important limitation | Pricing scales with app-attributed revenue. | A broad feature set creates more setup and testing work. |
Pumper Bundles is the stronger fit when:
- You sell products where larger quantities are genuinely useful
- You want product-level bundle and volume-discount offers
- You can protect margin and test cart compatibility
Assortion is the stronger fit when:
- You want bundles and cart upsells in one app
- You have clear complementary products and margin limits
- You can maintain offer rules as products and stock change
What will you actually pay?
Pumper Bundles
Free up to USD 300 app revenuePaid allowances scale with revenue generated through the app. Check the current revenue thresholds and how the vendor measures them.
Pricing checked 2026-09-07Check official pricing ↗Assortion
From USD 9.99/monthFree is for development stores only. Published paid tiers cover up to 50, 200 and 500 total monthly store orders.
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 need tracked component inventory for complex kits
- You only need one fixed bundle that Shopify Bundles can handle
- 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 Pumper Bundles
Use Pumper Bundles for a controlled first use case and expand only after the result is proven.
- Choose one bundle hypothesis
- Build the offer
- Match the storefront
- Test every quantity
Set up Assortion
Use Assortion 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 Pumper Bundles better than Assortion?
Not automatically. Pumper Bundles is the better fit when you sell products where larger quantities are genuinely useful. Assortion is the better fit when you want bundles and cart upsells in one app.
Which is easier to set up: Pumper Bundles or Assortion?
Pumper Bundles is currently classed as light setup, while Assortion is moderate setup. The real effort depends on your data, integrations, theme and the number of workflows you enable.
How should I test Pumper Bundles against Assortion 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 Pumper Bundles or Assortion?
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 Pumper Bundles and Assortion 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