SKU Stock Sync DocsPlans, limits, and usage
Understand group syncs, update speed, history limits, and how to choose the right plan for your store.
SKU Stock Sync has different plans for stores with different syncing needs. The main differences are included group syncs, extra usage cost, update speed, and how many history runs are available.
Group syncs and update speed are two separate things. Group syncs are a count of work done, and update speed is how long that work waits before it runs.
They are not the same limit, and one is never spent by the other.
Plan overview
The trial plan is applied automatically when you first launch SKU Stock Sync.
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Lasts for 14 days
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Includes 100 group syncs
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Uses the same limits as the Starter plan
Starter is best for new stores, smaller stores, or stores with lower inventory change volume.
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Includes 100 group syncs
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Extra usage: $0.05 per group sync
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Update speed: within 60 minutes
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Maximum of 100 history runs
Growing is best for stores with more frequent inventory changes or stores that want due groups processed sooner.
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Includes 300 group syncs
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Extra usage: $0.04 per group sync
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Update speed: within 30 minutes
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Maximum of 150 history runs
Pro is best for higher-volume stores that want the fastest update speed and the best included usage value.
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Includes 500 group syncs
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Extra usage: $0.03 per group sync
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Update speed: within 20 minutes
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Maximum of 250 history runs
What is a group sync?
A group sync is counted by SKU/location group, not by individual variant.
A SKU/location group is a set of variants that share the same SKU at the same Shopify location.
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If one group is synced, that counts as 1 group sync.
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If that group contains 5 variants, it still counts as 1 group sync.
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If 2 different groups are synced, that counts as 2 group syncs.
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If the same SKU is stocked at 2 different locations, those are separate SKU/location groups.
Note
Usage is based on groups because SKU Stock Sync works with SKU/location groups when syncing inventory.
For more details, see What are SKU/location groups?.
When a group sync is used
A group sync is only used when a group's stock actually changes.
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A scheduled run that finds nothing due uses no group syncs.
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A scheduled run that finds due groups uses one group sync per group it updates.
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Waiting for the next scheduled run uses no group syncs.
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A manual sync is counted the same way as a scheduled run. Running one early does not cost extra, it just does the same work sooner.
Warning
Your included group syncs are not divided up across the month by your update speed.
A store on a 60 minute update speed does not use 24 group syncs a day. If nothing changed, it uses none. If 40 groups changed in one hour, that run uses 40.
What update speed means
Update speed is the longest a stock change waits before your matching listings are updated.
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Starter: within 60 minutes
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Growing: within 30 minutes
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Pro: within 20 minutes
A faster update speed means due groups wait less time before they are processed. It does not change how many group syncs that work costs.
Note
Update speed is a waiting time, not a number of syncs.
It also does not mean every SKU in your store is synced every 20, 30, or 60 minutes. Scheduled runs only process groups that are due at the time the run happens.
For more details, see Scheduled syncing.
What history limits mean
Each plan includes a maximum number of sync history runs that can be available in the app.
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Starter: up to 100 history runs
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Growing: up to 150 history runs
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Pro: up to 250 history runs
History helps you review what SKU Stock Sync processed, what changed, and whether any groups or variants were skipped.
For more details, see Sync history.
How to choose the right plan
Choose a plan based on how often inventory changes and how quickly you want due groups to be processed.
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Choose Starter if your store has low order volume, fewer inventory changes, or you are just getting started.
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Choose Growing if inventory changes more often and you want due groups processed sooner.
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Choose Pro if your store has higher inventory activity, more synced SKU groups, or you want the fastest update speed available.
Note
If your store only receives a small number of orders each month, Starter is usually enough.
If your store has frequent orders, restocks, warehouse updates, or many synced SKU groups, a higher plan may be better value.
Important things to know
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Group syncs count work done. Update speed controls how long that work waits. They are separate limits.
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A group sync is only used when a group's stock actually changes, so a quiet store uses very few.
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Update speed controls how long a due group waits, not how often every SKU in your store is force-synced.
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Higher plans include more group syncs, lower extra usage cost, faster update speed, and more history runs.
When to contact support
If you are unsure which plan is right for your store, contact support and include:
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How often your store receives orders
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How often inventory is restocked or adjusted
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How many products or variants share SKUs
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Whether other apps or warehouse systems update inventory
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How quickly you need inventory changes to be processed
Note
The best plan depends on inventory activity, not just the total number of products in your store.