A Shopify bundle app lets a merchant sell two or more products as one purchasable unit, at one price, without building a second product record for every combination by hand. For a $3M–$30M Shopify Plus operator the real decision behind “shopify bundle app” is rarely which tool bundles well — the six compared here all do the basic job — it’s which pricing model survives real order volume, which one’s stated limits actually bind at that scale, and what a stacked discount does to margin that nobody’s pricing page mentions. Shopify’s own native app and its own developer documentation, and one vendor review roundup, dominate this search; none of the three quantifies the margin math or explains what Shopify’s own component ceiling means operationally. This piece fills both gaps, with every figure traced to the app’s own current page.
What Does a Shopify Bundle App Actually Cost?
Shopify’s own Bundles app is free on every plan. The five third-party apps compared alongside it price on two different models: a flat feature tier, or a cap tied to revenue.
| App | Entry price | What the price is capped by |
|---|---|---|
| Shopify Bundles (native) | Free, all plans | No cap — first-party Shopify feature |
| Simple Bundles & Kits | Free (3 bundles, 50 orders/month); $14/month uncapped | Bundle count and monthly orders on the free tier only |
| Zoorix | Free; $7.99–$29.99/month | Store revenue band, per Zoorix’s own pricing tiers |
| Fast Bundle (FBP) | Free (up to $500/month in bundle revenue); $19–$139/month | Monthly revenue attributed to bundles sold through the app |
| Bold Bundles | $19.99/month (Basic); $29.99/month (Premium) | Feature set only — not revenue-tied |
| PickyStory (Amplify) | $99.50/month (Grow) | Total store revenue, capped at $30,000/month |
Two things stand out against every ranking comparison for this keyword, none of which states them plainly. First, three of the five paid apps price by a revenue or order cap rather than a flat licence fee, so the bill moves with sales rather than sitting on a budgetable line. Second, PickyStory’s Amplify is the one app here priced against total store revenue rather than against bundle activity specifically, which changes what “fit” even means for it compared with the other five.
How Much Gross Margin Do Stacked Bundle Discounts Actually Erode?
More than the discount percentage suggests, because cost of goods is fixed in dollars while the price it’s measured against keeps shrinking. Shopify’s own Help Center documentation states product discounts apply to a line item first, then an order discount calculates against the already-reduced subtotal — a sequential, not additive, stack. A bundle discount is a product discount, so when a store also allows an order-level code to combine with it, the second discount compounds on top of the first rather than adding its percentage to it.
This worked example is illustrative arithmetic, not a measured figure — the inputs are invented to demonstrate the mechanism, and every row is recomputed from the one before it.
| Stage (illustrative) | Price | Margin (COGS fixed at $33) | Margin % |
|---|---|---|---|
| List price | $60.00 | $27.00 | 45.0% |
| After 15% bundle discount | $51.00 | $18.00 | 35.3% |
| After a combinable 10% order code | $45.90 | $12.90 | 28.1% |
| Combined effective discount | 23.5% off list | — | — |
Notice the combined discount off list price, 23.5%, is numerically smaller than the naive sum of 15% and 10%. Margin still falls further than either discount alone would suggest, because the $33 in fixed cost is now measured against a $45.90 price instead of $60 — the same dollar cost consumes a bigger share of a smaller number at every stage a discount stacks on top of another. A merchant who checks only “does my bundle discount pencil out” and never checks what a combinable order-level code does on top of it is pricing the bundle on the first row of this table while selling it on the third.
Your own combined discount is 1 − (1 − d1)(1 − d2), applied to your own list price and your own fixed cost per unit — the actual erosion for a given SKU mix is a calculation to run against your own numbers, not this table’s inputs. A bundle also changes the pack size a customer walks away with, which moves days-of-supply and the right send window for a replenishment email — the replenishment timing calculator works that timing out from pack size and daily consumption once the bundle’s unit count is set.
Which Revenue Tier Should Buy Which Bundle App?
Fit here turns on order volume and how much of the catalogue runs through bundles, not on revenue alone. A brand near the $3M floor running an occasional bundle promotion fits comfortably inside Simple Bundles & Kits’ $14 uncapped tier or Zoorix’s lower revenue bands, because neither caps by store size once past its free tier. A brand running most of its catalogue as bundles — a build-your-own case, a curated set as the primary SKU — generates far more bundle-attributed revenue at the same store size, and is the one likely to clear Fast Bundle’s $10,000-a-month Standard ceiling and land on its Enterprise plan, or clear Zoorix’s higher bands, well before store revenue alone would suggest.
PickyStory’s Amplify breaks that pattern rather than following it: its entry tier is priced against total store revenue, not against how much of the catalogue runs through bundles, which makes it the one app on this list whose fit question isn’t really about bundle volume at all.
Shopify Bundles: Free, Native, and Capped at 30 Components
Shopify’s own Help Center describes Shopify Bundles as a free first-party app available on every plan, supporting fixed bundles — a defined set of products or a set quantity of one product, sold at one price — and multipacks. It ships with no monthly fee, no app-store subscription and no revenue cap, and inventory availability is calculated directly from each component’s stock.
Not for: a merchant who wants customer-facing mix-and-match, where the shopper picks which items fill the bundle. Shopify’s own documentation scopes the native app to fixed bundles and multipacks only — a build-your-own experience requires one of the five apps below it.
Simple Bundles & Kits: The Cheapest Path Past the Free Tier
Simple Bundles & Kits carries the App Store’s “Built for Shopify” badge and a 4.9-star rating across 792 reviews, per its own App Store listing. Its free plan caps at three bundles and 50 orders a month; its $14-a-month Basic plan removes both caps and adds bulk import, dynamic pricing and one Shopify POS location, with higher tiers at $39 and $149 a month adding custom metafields, unlimited POS locations and Shopify Flow support.
Not for: a multi-location retail brand on the entry paid tier. POS support beyond a single location sits behind the $39 Grow & Advanced plan, per Simple Bundles’ own pricing page — a brand selling bundles in more than one physical store needs that tier, not the $14 one, to get POS parity.
Zoorix: Revenue-Banded Pricing With a Genuine Free Tier
Zoorix’s own App Store listing shows a 4.9-star rating across 391 reviews and a Forever Free plan carrying the full feature set — cross-sell, bundles, volume discounts, mix-and-match — with Zoorix branding included. Paid tiers at $7.99, $14.99 and $29.99 a month remove branding as store revenue rises through Zoorix’s own bands, with identical features across every paid tier.
Not for: a brand that wants dedicated support or advanced analytics as a paid-tier differentiator. Zoorix’s own pricing page shows the same feature list at every price point — the upgrade buys branding removal at a higher revenue band, not new functionality.
Fast Bundle: Priced on Bundle-Attributed Revenue, Not Store Size
Fast Bundle’s own App Store listing shows a 5.0-star rating across 3,411 reviews, 98% of them five-star. Its free tier covers up to $500 a month in bundle revenue with unlimited bundle, upsell and cross-sell features; Standard tiers at $19, $49 and $139 a month raise that cap to $1,000, $3,000 and $10,000 a month respectively, per Fast Bundle’s own pricing page, with an Enterprise plan at $139 a month — discounted from a stated $299 — for unlimited bundle revenue.
Not for: a brand that can’t forecast its own bundle-attributed revenue in advance. Because the cap is measured on revenue through bundles specifically, not total store sales, a merchant has to track that number directly to know which tier it’s actually in, rather than reading it off total revenue.
Bold Bundles: Flat Pricing, Older Ratings Profile
Bold Bundles, from Bold Commerce, prices flat rather than by revenue: $19.99 a month for the Basic plan, $29.99 for Premium, per Bold’s own pricing overview. Its own App Store listing shows a 3.9-star rating across 242 reviews, with about 65% five-star and 20% one-star — a more polarised distribution than the other five apps compared here.
Not for: a brand weighing app-store sentiment heavily in a shortlist. The flat, revenue-independent price is a genuine advantage at high bundle volume, where a percentage-of-revenue competitor’s bill keeps climbing — but the lower and more polarised rating is worth reading through before treating price alone as the deciding factor.
PickyStory (Amplify): The Enterprise-Positioned Option
PickyStory, now sold under the Amplify brand, prices its Grow plan at $99.50 a month for brands with up to $30,000 a month in total store revenue, per Amplify’s own pricing page, including unlimited bundles and upsells, advanced analytics and CSS customisation. Above that revenue line sits Scale, a custom fixed-price plan built for Shopify Plus with a named success manager and direct Slack access.
Not for: the printed $99.50 price, if the reader is a $3M+ brand. The published Grow-plan revenue ceiling sits well below Pointerflow’s floor, so every brand this article is written for is pricing Scale, not Grow — confirm the real number directly with Amplify rather than budgeting from the plan shown on the page.
What Does Shopify’s 30-Component Bundle Limit Actually Mean for a Large SKU Catalogue?
Shopify’s own developer documentation states a fixed bundle supports up to 30 components, up to 2,000 units per component, and a maximum of three options and 100 variants total per bundle. For a brand with a small, stable catalogue this never binds. For a $3M–$30M brand running a large or frequently rotating SKU set — a scent or flavour line with 40-plus variants, a build-your-own case drawing from most of the catalogue — the ceiling binds directly: one native fixed bundle physically cannot represent the full assortment, and the merchandising has to split across several bundle products or move to a third-party app that builds the bundle as a cart-level rule instead of a single bundle product.
A large catalogue hits a second, less obvious constraint in inventory tracking, not component count. Shopify’s own Help Center states plainly that bundles “don’t track inventory by location, but by overall stock.” A brand fulfilling from more than one location, or splitting fulfilment between a warehouse and a 3PL, can have a bundle show as available because a component’s stock is positive somewhere in the network, while the specific location that would actually pick the order has none of it. The bundle’s own availability logic never sees that gap, because it isn’t computing at the location level to begin with — the oversell shows up downstream, at pick time, not at the moment the bundle goes out of stock on the storefront.
What Does It Actually Cost to Switch Shopify Bundle Apps?
Not the integration — all six apps compared here install as an embedded Shopify app and add a block to the product or cart template, which is typically the fastest part of a switch. The real cost is that no bundle app’s configuration is portable to another: each stores its bundle rules — which products, what discount, what display logic — in its own schema, and none of the five third-party apps here can read or adopt a bundle Shopify’s own native app created, or vice versa, because the two don’t share a data model.
Shopify’s own developer documentation adds a hard deadline to that rebuild. Forty-eight hours after a merchant uninstalls an app, Shopify sends a payload on the shop/redact topic, and the app is required to erase that store’s data from its own database in response. Practically, that means the old app’s bundle rules are not a safe fallback to reference after uninstalling it — export or screenshot the working bundle configuration before removing the old app, because the 48-hour window closes faster than most switch projects expect to need it.
Getting the bundle mechanics right only solves half of what drives AOV on a repeat-purchase brand. All six apps compared here act before or at the point of purchase — on the product page or in the cart, before payment is captured. The other half of the opportunity sits after that moment: a ranked, one-click offer shown once the order is already placed and paid for, which carries none of the conversion risk a pre-purchase upsell does because the sale is already secured. That’s post-purchase offer territory, not bundle-app territory, and it’s the gap that shows up once a bundle strategy is already working and the next AOV lever has to come from somewhere else in the funnel.
Sources
Bundle type, component and variant limits, and the location-based inventory statement are from Shopify’s own Help Center bundles page and its developer documentation for fixed bundles, checked September 2026, official docs. The sequential discount-combination rule is from Shopify’s own Help Center page on combining discounts. The 48-hour shop/redact data-erasure requirement is from Shopify’s own developer documentation on privacy law compliance. Pricing, plan caps and star ratings for the five third-party apps are drawn directly from each vendor’s own current pricing page or Shopify App Store listing — Simple Bundles & Kits, Zoorix, Fast Bundle, Bold Commerce’s Bold Bundles pricing overview and App Store listing, and Amplify (PickyStory) — all checked September 2026, vendor-reported. The margin table is illustrative arithmetic built to demonstrate Shopify’s own documented discount-sequencing rule, not a measured industry figure.