# WeLookup

Source: watchfor.tools, an independent directory for people who build Shopify apps. No paid placement, no affiliate links. Not affiliated with Shopify.
Canonical: https://watchfor.tools/tools/welookup

Category: Store detectors (https://watchfor.tools/categories/detect)
Summary: Extension-first store analysis, 7,548 apps and tools.
Price: Free
Free plan: yes
Editor use: Editor uses this
Launched: unknown, not published on its own site
Community rating: 5 from 2 counted reviews
Website: https://welookup.info
Entry last checked: 13 October 2026

## Description

The broadest claimed detection coverage of the free detectors. It adds an information tab with Shopify store insights. Search exists but is still in beta. The extension is the product.

## Watch for

Small and new, version 1.0.0 at time of checking. Like every detector, it only sees apps with a storefront presence.

## Details

- Detects installed apps: Yes
- Detects theme: No
- Browser extension: Yes
- Free checks: Free
- API: No
- Integrations: None stated

From the vendor's own site, confirmed 2026-10-16. Unknown means the site does not say.

## Profiles

- LinkedIn: https://www.linkedin.com/company/welookupinfo/

## Compared in

- Free tools for Shopify app developers: 38 with a free plan, and where each one stops (https://watchfor.tools/blog/free-tools-for-shopify-app-developers)

## Compare

- All alternatives to WeLookup: https://watchfor.tools/alternatives/welookup
- WeLookup against Copyfy Apps Detector: https://watchfor.tools/compare/copyfy-vs-welookup
- WeLookup against Koala Inspector: https://watchfor.tools/compare/koalainspector-vs-welookup
- WeLookup against PPSPY: https://watchfor.tools/compare/ppspy-vs-welookup
- WeLookup against Shoper Spy: https://watchfor.tools/compare/shoperspy-vs-welookup
- WeLookup against Shopify Raise: https://watchfor.tools/compare/shopifyraise-vs-welookup
- WeLookup against Shopify Theme Detector: https://watchfor.tools/compare/shopthemedetector-vs-welookup
- WeLookup against ShopScan: https://watchfor.tools/compare/shopscan-vs-welookup
- WeLookup against Stackpeek: https://watchfor.tools/compare/stackpeek-vs-welookup
- WeLookup against TrendTrack: https://watchfor.tools/compare/trendtrack-vs-welookup
- WeLookup against Wappalyzer: https://watchfor.tools/compare/wappalyzer-vs-welookup

## Related tools

- LetsMetrix (App Store ASO, both in Store detectors): Category rankings and collections, with a free plan. https://watchfor.tools/tools/letsmetrix
- TechLeads (Store databases, both in Store detectors): Lists of websites by the technology they run, Shopify stores included, from $29 a list. https://watchfor.tools/tools/techleads
- ShopScan (Store detectors): App and theme detector with a wide free tool set. https://watchfor.tools/tools/shopscan
- Copyfy Apps Detector (Store detectors): Paste a store URL and get its storefront apps, free and without an account. https://watchfor.tools/tools/copyfy
- Shopify Theme Detector (Store detectors): A free theme and app detector for one store at a time, with usage counts across its scans. https://watchfor.tools/tools/shopthemedetector
- SellerCenter (Store databases, both in Store detectors): Dropshipper research platform with a 2.4M-store Shopify database and a free app detector. https://watchfor.tools/tools/sellercenter
- Koala Inspector (Store detectors): Chrome extension reading a store's apps, theme and estimated numbers. https://watchfor.tools/tools/koalainspector
- TrendTrack (Store detectors): An ad and store research tool for ecommerce brands, with a free Shopify app detector. https://watchfor.tools/tools/trendtrack