The 10 Best Order Merger Apps for Shopify

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

Updated October 15, 2026 · Organic ranking

There is no combine-two-orders operation in Shopify. The order editing API adds a variant or a custom item to one order and cannot move a line from another one, and the mutation that is actually named merge works on fulfillment orders, the objects that split a single order across locations, not on two separate purchases. So everything in this category is a routine built out of ordinary parts: add the second order's items to the first, cancel or refund what is left, and reconcile the shipping.

That construction sets the boundaries. Order editing reaches only unfulfilled line items, so the window closes the moment somebody starts picking, and editing does not move money by itself, which is why refunding the duplicate shipping charge is a separate transaction the app has to create. Cancellation is the sharpest edge: Shopify documents it as irreversible, an order that has been cancelled cannot be restored. Read undo-merge features with that in mind and ask precisely what is undone.

  1. 1 Order Merger by BoostApps logo

    Order Merger by BoostApps

    ★ 5.0 (1 reviews) · Free plan available

    Combine orders automatically and cut shipping costs

  2. 2 Mergify: Combine, Merge Orders logo

    Mergify: Combine, Merge Orders

    ★ 4.6 (64 reviews) · Free to install

    Combine orders into one shipment and reduce shipping costs

    Built for Shopify
  3. 3 Triom: Combine, Merge Orders logo

    Triom: Combine, Merge Orders

    ★ 4.8 (75 reviews) · Free plan available

    Merge orders and let customers edit address, items, or cancel.

    Built for Shopify
  4. 4 MergeIt ‑ Combine Merge Orders logo

    MergeIt ‑ Combine Merge Orders

    ★ 4.8 (16 reviews) · Free plan available

    Merge & combine orders into one shipment. Cut shipping costs.

    Built for Shopify
  5. 5 Rocketly: Auto Merge Orders logo

    Rocketly: Auto Merge Orders

    ★ 5.0 (3 reviews) · Free

    Combine orders to save shipping costs

  6. 6 Order Merging ‑ Combine Orders logo

    Order Merging ‑ Combine Orders

    ★ 4.3 (9 reviews) · Free

    Auto merge orders into one shipment, reduce shipping costs

    Built for Shopify
  7. 7 17TRACK Order Tracking logo

    17TRACK Order Tracking

    ★ 4.9 (4,482 reviews) · Free plan available

    Order tracker with branded tracking & order lookup

    Built for Shopify
  8. 8 Order Printer Pro: PDF Invoice logo

    Order Printer Pro: PDF Invoice

    ★ 4.9 (2,982 reviews) · Free to install

    Invoice generator for PDF invoices, quotes & packing slips.

    Built for Shopify
  9. 9 CWILL Order Tracking logo

    CWILL Order Tracking

    ★ 5.0 (3,179 reviews) · Free plan available

    Parcel Panel: track order tracker to cut WISMOs & boost sales

    Built for Shopify
  10. 10 Track123 Order Tracking logo

    Track123 Order Tracking

    ★ 4.9 (1,752 reviews) · Free plan available

    A beautiful order tracker with branded tracking & order lookup

    Built for Shopify

Compare the top 3 head-to-head

All app comparisons →

What to look for in a Order Merger app

What counts as the same customer
Matching on email is easy and wrong often enough to matter: two orders to two different addresses should not be combined. Look for matching on the shipping address as well, and for a rule about how far apart in time two orders can be.
Suggest, or merge on its own
Automatic merging saves the most and is the one that will eventually combine something it should not. A queue of suggestions that somebody approves costs a minute a day and is much easier to defend to a customer.
What the customer is told and refunded
They paid shipping twice and should hear about it from you rather than notice it. Ask what notification goes out, whether the shipping refund is automatic, and what the customer sees in their account for the order that disappeared.
What your reports show afterward
Every listing here claims analytics and tax stay intact. Verify it on a test pair: sales totals, tax collected, discount allocation and the fulfillment record should all still make sense, since this is an edit and a cancellation rather than a native operation.
How wide the window really is
Because only unfulfilled items can be edited, a merge tool is only useful if it acts before your warehouse does. If you fulfill within the hour, the honest answer may be that this category cannot help you.

Frequently asked questions

Which is the best Order Merger app for Shopify?

Based on the Shopify App Store's own organic ranking for "order merger", Order Merger by BoostApps currently holds the #1 spot, with a 5.0 star rating across 1 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 "order merger", 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 "order merger", you can verify the current ranking there yourself.

Which Order Merger apps are Built for Shopify?

8 of the top 10 order merger apps hold the Built for Shopify badge: Mergify: Combine, Merge Orders, Triom: Combine, Merge Orders, MergeIt ‑ Combine Merge Orders, Order Merging ‑ Combine Orders, 17TRACK Order Tracking 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 October 15, 2026, the top-ranked order merger app on the Shopify App Store is Order Merger by BoostApps, with a 5.0 star rating across 1 reviews. 8 of the top 10 carry the Built for Shopify badge, and the average rating is 4.8 stars across 12,563 reviews.

Related keyword rankings

All Order rankings →   ·   Browse all keywords →

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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.

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