See how a store's catalog changed since your last analysis.
When you analyze a store again, Evidio compares its catalog with the previous reading and shows what moved: product count, prices, promotions, stock and best sellers.
What moved, and only what moved.
The dot marks the average, so its position shows whether the catalog clusters low or high within its range.
What you can see
- The change in product count since the previous analysis
- Shifts in average, lowest and highest price
- Changes in the share of products on sale and out of stock
- The change in the number of variants
- Best sellers that entered or left the list
- The date of the reading it compares against
You notice a store widening its range or discounting harder without rereading its catalog.
From two readings to one comparison.
Keep analyzed stores
Turn on automatic saving of analyzed stores in the extension settings.
Analyze the store again later
Come back to the store when you want an update.
Read what changed
The catalog tab shows the changes since the previous analysis, with its date.
Spot a competitor's catalog moves between two visits.
A competitor you check every few weeks keeps adjusting its range and its prices. Comparing two visits from memory, or from screenshots, misses most of it.
Each new analysis is compared with the previous one. The changes that pass a meaningful threshold are listed, dated, so you see the direction of the store at a glance.
Questions it helps answer
- Is this store adding or removing products?
- Is it discounting more than before?
- Did its best sellers change?
A comparison between two readings, not a watch.
Evidio does not re-read stores on a schedule: the comparison appears when you analyze a store again, against the snapshot kept at the previous analysis. It compares catalog totals and averages, not individual products, and small movements below its thresholds are not listed. A store analyzed less than 24 hours ago is not read again.
Keep researching this part of the workflow.
Frequently asked questions
Does Evidio watch stores automatically?
No. Scheduled monitoring is on the roadmap, not in the product. The comparison appears when you analyze a store again yourself.
What does it compare?
Catalog totals and averages: product count, average and extreme prices, promotion and out-of-stock shares, variants, and which best sellers came in or dropped out.
Why do I see no changes?
Either nothing moved past the thresholds, or no previous reading was kept. Turn on automatic saving of analyzed stores so each analysis keeps a snapshot to compare against.
Which Evidio plan includes this feature?
This core feature is available on the Free plan. Paid plans add higher limits or complementary capabilities where applicable.
Guides
See what Evidio finds on your next Shopify store.
Add Evidio to Chrome, analyze a real store and keep the useful signals inside your research workspace.