SimpleSync
Sync inventory between products and variants
App highlights
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Speed tested: no impact to your online store

Reviews
Motogateway
Isn't able to load my inventory, probably not powerful enough to handle inventory over 2000.
Teezindia
The app works. This app is a life saver if you have a lot of products sharing the same SKU. There will be issues with updating time if you have a lot of duplicate SKUs to update through this app. However, this is the only solution there is. Harold responds quite quickly to questions and issues.
Morganmaeco
Don't go anywhere else!! This app made my life SO much easier. I tried another app (Shopify assistant) and it was so complicated and literally made me cry. This was SO easy! It's working perfectly. THANK YOU!
Fargo Clothing Company
Fantastic app! Does exactly what it says and exactly what we need. Even more importantly, A++ customer service. Responsive, dedicated and effective. Thanks!!
Laptoppartsatp
Amazing APP. Our parts are compatible for many different laptops so we really needed SimpleSync to allow us to create multiple products using the same SKU. SimpleSync updates the inventory for all identical SKUs when a product is sold, or returned. Highly recommend if you need to publish may product titles-descriptions that are the same SKU.
Essex Steam Train Riverboat
Exceptionally simple to use, minimal overhead / maintenance, and effective.
We're using it for ticket variants (adult / child / senior) which have different prices but each take one seat. And also for dinner entree options - multiple menu choices but limited seating per date.
We've looked at a bunch of apps and this does just what we need!
Simek
Great App!
It was what we were needing to deal with multiple variations!
Great for Jewelry stores.
Also great support.
El Camino
A great, simple, easy to use App! It works 100 times better and more efficiently than Apps that you have to pay for. SimpleSync's made my life a lot easier :-)
RAPUNZEL HAIR STORE
Brilliant App, saved me so much time.
Wolfish Workshop
It works like a charm. It fully resolves the issue of not being able to link variant skus across many/all products.
You guys ROCK!!!!