Catalog Prep vs Shopify Spy and Koala Inspector: Which Fits?
Compare the documented workflows for catalog exports and broader store research, then evaluate the files on the same source and scope.
If a Shopify export leaves you fixing identifiers, looking for missing variants, or guessing which collection it captured, another download is only useful if you can check its quality.
Catalog Prep is my focused catalog-export extension. Here is how its documented workflow compares with Shopify Scraper & Parser — Shopify Spy and Shopify Spy Tool & Sales Tracker for Dropshipping — Koala Inspector.
I build Catalog Prep. This comparison uses the products' public listings checked on 29 October 2026, not a controlled head-to-head runtime benchmark. It does not establish that either competing extension fails on a particular store.
First separate the two Shopify Spy products
The similar names can hide an important difference.
Shopify Scraper & Parser — Shopify Spy describes a product-export workflow with CSV and XLSX, collection filtering, single-product downloads, image downloads, and additional fields through a slower extraction mode. Its listing also advertises a Shopify-compatible import format and an undocked scraping workflow.
Koala Inspector describes a broader store-research product: app and theme detection, product research, estimated sales and traffic, advertising intelligence, monitoring, and CSV exports. Its listing identifies sales and traffic figures as estimates rather than verified merchant measurements.
Those descriptions establish advertised workflows. They do not establish the accuracy or completeness of an export from your intended source.
Compare by the deliverable you need
| Requirement | Catalog Prep | Shopify Scraper & Parser | Koala Inspector |
|---|---|---|---|
| Main job | Public catalog capture and file review | Product scraping and export | Broader store and competitor research |
| Spreadsheet output | CSV; text-typed Excel inside ZIP | CSV and XLSX advertised | CSV export advertised |
| Scope workflow | Website, current product/collection, discovered collections | Collection filtering and single-product export advertised | Store/product research described |
| Media | Image links and associations | Image downloads advertised | Product research; verify required export fields |
| Sales or traffic estimates | Not provided | Not assessed in this comparison | Advertised as estimates |
| Long-running workflow | Keep popup open; restore saved progress | Undocked scraping advertised | Monitoring advertised, depending on plan |
The competing-product columns summarize their linked listings. Confirm plan access and current behavior before relying on any feature.
Choose a broad research suite if you need technology detection or estimated demand signals. Choose a catalog exporter when the next task is reviewing products, variants, and source values in a file.
Where Catalog Prep fits
Catalog Prep keeps catalog records on your device, exposes separate scope counts, and lets you preview captured products before downloading. Its ZIP includes the catalog, image-link table, normalized JSON, and a manifest describing source scope and coverage.
The spreadsheet workbook stores literal catalog values as text. Missing data stays unknown; public availability is not converted into actual stock quantity. This is useful when you want to inspect an export's evidence before preparing it for another workflow.
Catalog Prep exports observed source data. It does not create a ready-to-import native Shopify catalog automatically, download image binaries, or claim revenue estimates. If you need those jobs, assess them separately rather than assuming every exporter is interchangeable.
Run the same acceptance check on every tool
Choose a public collection small enough to review, record its exact URL, and capture it near the same time in each product. Keep the original downloads.
Check these points:
- Does each file identify the same store and collection?
- Do several selected products retain all returned variant identities?
- Are leading-zero SKUs and long IDs unchanged after opening the file?
- Are gallery links associated with the correct product?
- Is currency stated with a clear source or left unknown?
- Does the result explain limits, incomplete pagination, or blocked access?
A product count alone cannot answer all six questions. The export-quality guide gives you a more detailed worksheet.
What if your current exporter is not working?
Record the source URL, chosen scope, symptom, and capture date before switching tools. A difference may come from scope, source access, pagination, file interpretation, or the implementation itself.
The troubleshooting guide helps isolate those cases. It gives you a useful comparison record without needing to assume the cause in advance.
Try Catalog Prep on a real task
The Free plan includes 100 captured products per UTC month in the browser profile. Every run retains 500-product and 2,500-variant operational bounds; Pro removes the monthly product quota, not those run limits. Review current terms in the Catalog Prep listing.
For a local catalog export, start with Catalog Prep and compare one collection against the worksheet. Keep the tool whose output meets the requirements you can actually verify.