The 10 Best Fly Bundles Apps for Shopify

The top 10 apps merchants see when they search the Shopify App Store for fly bundles, in the exact order the store ranks them. Only Shopify's organic ranking is shown, never sponsored ads.

Updated September 8, 2026 · Organic ranking

A bundle on Shopify is not a product with stock of its own. The price comes from the parent, availability is calculated from the components, and the order records the parts rather than the bundle, which is why a refund happens at component level too. Selling a bundle draws down exactly the same inventory as selling the pieces separately. That is the behaviour you want, and it is also why bundles are harder than they look.

How strong that protection is depends on the shape. For a fixed bundle the platform keeps the parent's availability at the smallest of its components and maintains it, so overselling is handled. For a build-your-own or mix-and-match bundle, assembled at cart time instead, the app owns what the shopper sees before they add to cart and the components are only checked afterwards: protection rather than a guarantee. One more thing worth knowing, because several listings gloss over it: native bundles cannot be sold on a selling plan, which rules out subscriptions, pre-orders and try-before-you-buy.

  1. 1 Fly Upsell & Cross Sell logo

    Fly Upsell & Cross Sell

    4.9 (613 reviews) · Free plan available

    Boost AOV with bundles, quantity breaks & upsells

    Built for Shopify
  2. 2 Addly: AI Bundles app & Upsell logo

    Addly: AI Bundles app & Upsell

    4.9 (112 reviews) · Free plan available

    Set up frequently bought together bundles, AI upsells & more..

    Built for Shopify
  3. 3 BundleFly logo

    BundleFly

    · Free plan available

    Effortlessly create and showcase custom product bundles.

  4. 4 Easy Bundles: Bundle Builder logo

    Easy Bundles: Bundle Builder

    4.9 (1,232 reviews) · Free to install

    Grow AOV with all product bundles, bundle builder, mix & match

    Built for Shopify
  5. 5 Bundly • Mix & Match Bundles logo

    Bundly • Mix & Match Bundles

    4.9 (61 reviews) · Free trial available

    Mix and match bundle builder for BYOB, boxes and gift sets

    Built for Shopify
  6. 6 Judge.me Ali Reviews Importer logo

    Judge.me Ali Reviews Importer

    4.9 (217 reviews) · Free

    Import AliExpress reviews and grow your dropshipping store

    Built for Shopify
  7. 7 Kaching Bundles App & Upsells logo

    Kaching Bundles App & Upsells

    5.0 (5,796 reviews) · Free to install

    Boost AOV with quantity breaks, product bundles & upsell app

    Built for Shopify
  8. 8 Simple Bundles & Kits logo

    Simple Bundles & Kits

    4.9 (790 reviews) · Free plan available

    Build product bundles, BYOB, BOGO & upsell with inventory sync

    Built for Shopify
  9. 9 Pumper Bundles Quantity Breaks logo

    Pumper Bundles Quantity Breaks

    4.9 (3,440 reviews) · Free plan available

    Increase AOV with Bundle offers, Free Gift & Volume Discount!

    Built for Shopify
  10. 10 Bundlex Product Bundles Upsell logo

    Bundlex Product Bundles Upsell

    5.0 (153 reviews) · Free

    Boost AOV with free bundle offers, quantity breaks & BOGO

    Built for Shopify

Compare the top 3 head-to-head

All app comparisons →

What to look for in a Fly Bundles app

Fixed, or assembled by the shopper
This is the question the whole category turns on. A set you define behaves predictably and cannot oversell. A box the customer fills themselves is put together in the cart, and how gracefully it handles a component going out of stock mid-session is worth testing rather than reading about.
If you want subscription boxes, ask exactly how
Bundles and selling plans do not combine natively, yet subscription boxes are advertised across this category. That means the app is doing something else underneath. It may work perfectly well; you just want to know what it is before your recurring revenue depends on it.
The free option may be the whole answer
Shopify's own bundles app makes fixed bundles and multipacks from the admin with real-time inventory, at no cost. If that is your use case, the paid ones are selling you discount logic, upsell placement and build-your-own, so make sure you want at least one of those.

Frequently asked questions

Which is the best Fly Bundles app for Shopify?

Based on the Shopify App Store's own organic ranking for "fly bundles", Fly Upsell & Cross Sell currently holds the #1 spot, with a 4.9 star rating across 613 reviews. The best choice for your store still depends on your requirements, so compare the top results above.

How is this ranking determined?

We record the organic results merchants actually see when searching the Shopify App Store for "fly bundles", refreshed daily. Shopify's own sponsored ("Ad") results are excluded, so positions reflect its real search ranking rather than paid promotion. Source: the Shopify App Store search results for "fly bundles", you can verify the current ranking there yourself.

Which Fly Bundles apps are Built for Shopify?

9 of the top 10 fly bundles apps hold the Built for Shopify badge: Fly Upsell & Cross Sell, Addly: AI Bundles app & Upsell, Easy Bundles: Bundle Builder, Bundly • Mix & Match Bundles, Judge.me Ali Reviews Importer and more.

What does the Built for Shopify badge mean?

Built for Shopify
Built for Shopify is the highest level of recognition Shopify awards an app. To earn the badge, an app must meet Shopify's standards for safety, performance, ease of use, and proven usefulness: it cannot slow down the admin, storefront, or checkout, must integrate seamlessly into the Shopify admin, and must demonstrate quality through installs, reviews, and ratings over time. When comparing similar apps, preferring ones with the badge is a safe default. Learn more about the Built for Shopify badge →

As of September 8, 2026, the top-ranked fly bundles app on the Shopify App Store is Fly Upsell & Cross Sell, with a 4.9 star rating across 613 reviews. 9 of the top 10 carry the Built for Shopify badge, and the average rating is 4.9 stars across 12,414 reviews.

Related keyword rankings

All Fly rankings →   ·   Browse all keywords →

Rank higher on the Shopify App Store

Rankbase helps Shopify app developers track keyword positions, analyze install click data, and optimize app listings to rank higher in the Shopify App Store.

Explore Rankbase →

Built by Craftshift

Rankbase is made by Craftshift, a Shopify Partner building apps for product images, variants, and bulk catalog work. We built Rankbase to track the App Store rankings of our own apps first, then opened it to other developers, and this directory grew out of that work. The rankings on these pages are Shopify's own organic search results; we never edit them, including for our own apps.

Craftshift apps on the Shopify App Store