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Shopify apps
Inventory - Other
Duplicate SKU Sync Master
Duplicate SKU Sync Master
by Thalia Tech
3.0
(15 reviews)
Best suited for stores managing duplicate SKUs across variants or multiple channels who need inventory synced automatically.
Sync stock between products & variants having same SKU. Sell duplicate SKUs without overselling! Duplicate SKUs help to diversify catalog, improve SEO & marketing, create bundles & manage multichannel selling. If item stock changes, this app will sync the inventory level across all duplicate SKUs in near real-time. You dont have to worry about overselling or manually updating inventory for each duplicate SKU. Sell same SKUs online & on POS. Sync POS SKUs inventory with different pricing. Stock quantity remains common & in sync. Build bundles with SKUs that adjust stock with same SKUs. Duplicate SKUs help to diversify catalog, improve SEO & marketing, create bundles & manage multichannel selling. If item stock changes, this app will sync the inventory level across all duplicate SKUs in near real-time. You dont have to worry about overselling or manually updating inventory for each duplicate SKU. Sell same SKUs online & on POS. Sync POS SKUs inventory with different pricing. Stock quantity remains common & in sync. Build bundles with SKUs that adjust stock with same SKUs. more Easy to use. Activate sync with a click of a button. No complicated setup. Build for scale. Sync unlimited duplicate SKUs and any number of orders. Multi-location SKU Sync. Match stock levels at all the locations. Analyze. Get a snapshot of duplicate SKUs and surface mismatched stock levels. Quick restock. Update stock of all the same SKUs together with a single click.
Copy from the Shopify App Store listing, unedited.Inventory - Other
Bottom line
fulfilment cost and post-purchase experience
From $5/mo
3 tiers
37/100
Limited evidence · from 15 reviews
What it does
Easy to use. Activate sync with a click of a button. No complicated setup.
Build for scale. Sync unlimited duplicate SKUs and any number of orders.
Multi-location SKU Sync. Match stock levels at all the locations.
Analyze. Get a snapshot of duplicate SKUs and surface mismatched stock levels.
Quick restock. Update stock of all the same SKUs together with a single click.
What each step up actually buys you
This developer's plans are separated by features, not by how big your store is — so there is no volume that picks a tier for you. Here is what each one adds over the one below it.
BASIC PLAN (FREE)
Free to install
For SHOPIFY STAFF Stores
For SHOPIFY PARTNER Stores
For SHOPIFY TRIAL Stores
For PAUSE AND BUILD Stores
All Features
Unlimited SKUs
BASIC PLAN
$5/month
For SHOPIFY BASIC stores
Unlimited Updates
Sync History
1-Click Restock
Multi-location Support
ESTABLISHED PLAN
$12/month
For SHOPIFY & ADVANCED SHOPIFY stores
HIGH VOLUME PLAN
$20/month
For SHOPIFY PLUS stores
Pricing
Free to install
$5/month
$12/month
$20/month
37
/ 100Limited evidence
Scored on 15 merchant reviews we hold for Duplicate SKU Sync Master, across five checks. Every figure is computed from those reviews — expand any row to see the counts behind it.
Review history
2021–2025 · 15 reviews read| 2021 | 2 reviews |
|---|---|
| 2022 | 7 reviews |
| 2023 | 1 reviews |
| 2024 | 1 reviews |
| 2025 | 4 reviews |
What merchants say
3.0
100%
of reviews get an answer27%
had used it a year when they wroteRecent merchant reviews
The newest 8 of 15. Open one to read it in full, with the developer's reply where there is one.
i upgraded from the free plan and now i am having issues with inventory. products that have been out of stock for weeks magically have new inventory, resulting in oversold products. Its a pain, especially when dealing with TikTok Shop's cancellation policies
We recently discovered that some items have not synced properly for over five months, preventing us from selling these products. After reporting the issue, we were offered only $24 as compensation, despite having paid $120 during this period. As a result, we will now explore alternative solutions.
This app is great! I sell personalized laser engraved tumblers in a much of different colors. Each color has its own SKU, and each SKU is used across a large number of product listings. This app lets me accurately control the inventory so I can keep track of how much product I have in stock. I tried several different inventory control apps before I settled on the one. The price is right an the support is great!
5/2025 UPDATE: Original issue was fixed from 2021, but now I have a new issue where the app is removing x2 the amount of items being sold. Example, I stocked an item at 15 pcs. 4 were sold. It synced the skus to have only 7 left in stock. I have to keep babysitting my sales again. As the other review from March 2025 mentioned, there is a high chance inventory hasn't been syncing properly for months. I noticed one of my items went out of stock really quick and now i'm left with a lot of stock that could've been sold during the height of popularity of my item. What am I paying a plan for? Their support team got back to me, basically said if an order contains 2 different items with the same sku, syncing will glitch. If your item sells fast and orders are made back to back, syncing will glitch. If your customers don't wait for the app to finish syncing inventory(may take seconds to minutes) then syncing will glitch. Basically the app has now become trash which is the complete opposite of my original experience using it back when I was make back to back sales without a problem. Unfortunately will have to be on the lookout for a new app. I really needed an app that did exactly what this app offers, or at least described to offer. I make custom acrylics of different designs but essentially all using the same base material. I have multiple designs using the same sku. Before going live I tested the app and it seemed to work. Now that my shop has gone live the syncing won't work at all. I still have to manually edit the inventories now. I contacted support and I'm hoping to get a reply soon because I can't keep watch over my shop for hours. Once they get back to me I hope they can fix this or else I'm gonna need to find another solution.
Such a lifesaver!!! I had a small hiccup in getting it to work and they were amazingly helpful and responsive, very quickly. Now it works like a charm and is exactly what I needed for my listings to function perfectly.
Works great! -Here are 87 more characters to reach the 100 character minimum for review submission.
Very pricy for the service. Not really satisfied. I will look for other solutions in the next future.
This has worked well for us in our case. We use this app to sync inventory between retail and wholesale products.
Duplicate SKU Sync Master FAQ
Answered from this app's own listing and its full review record.
Best suited for stores managing duplicate SKUs across variants or multiple channels who need inventory synced automatically.
Paid plans start at $5/month, and run to $20/month across 3 published tiers. Prices are as listed on the Shopify App Store and can change — confirm before installing.
Duplicate SKU Sync Master's plans are separated by features rather than by store size — none of the tiers is capped on a volume you could state up front. Compare what each step adds over the one below it rather than trying to size yourself into a tier.
On our scorecard Duplicate SKU Sync Master rates 37 out of 100 — limited evidence — read from 15 merchant reviews. The developer has published replies to 15 of 15 reviews. The score reflects what the review record shows, nothing more.
15 merchants have reviewed Duplicate SKU Sync Master, averaging 3.0 out of 5. We hold the review history from 2021 to 2025, which is what the year-by-year chart on this page is built from.
At a glance
3.0 / 5 · 15 reviews
0
15 of 15 reviews
4 months
Free to install. Free trial available.
January 6, 2021
2021 – 2025
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