Store databases 14 of 59 tools. Query the merchant universe by platform, apps installed, revenue band and contacts.
Top rated Most liked A to Z By category Newest first Editor use first
13.7M stores, app install and uninstall history, HubSpot native.
Free, then $75 / $250 / $450 / $950 per month
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Revenue estimates and rankings for online retailers on every platform, from a market data company.
Not published
A free explorer of the whole App Store: apps, full review text, rankings and the merchants who wrote the reviews.
Free
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Dropshipper research platform with a 2.4M-store Shopify database and a free app detector.
100 free credits a month, then $9.99 / $29.99 / $99.99 a month, half that billed yearly
Cheaper store database with decision-maker contacts built in.
Free plan, then $49 / $99
Lists of websites by the technology they run, Shopify stores included, from $29 a list.
Free lookups. Lists from $29 per technology, Growth $79/mo ($49/mo yearly), Business $149/mo ($119/mo yearly)
Ad spy platform whose store explorer filters 5M+ stores by installed app.
$49 / $79 / $249 a month, 15% off quarterly, 40% off yearly
Technology lookup for any site on the web, Shopify or not.
Free lookups, then $295 / $495 / $995 a month
Store database priced by the lead rather than by the seat.
$0.083 a lead, on download tiers from 250 to 10,000 a month. Free account to start
Dropshipper spy tool, with a store explorer and an API behind it.
Free plan, then $39 / $99 / $299 a month
1.4M Shopify stores, filtered by the apps they already run.
Free tier, then $49 / $149 / $349
Buying-signal alerts on Shopify stores, with the contact attached.
14-day trial, then $199/mo
Retailer contact database, sold through a demo rather than a signup.
Not published. Quoted on an order form, with 3% added to card payments
Describe an offer and get a matched CSV, not a database to search.
$99 one-time for 500 stores, then $299 or $699 a month
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By Ali A. watchfor.tools is an independent directory for the people who build Shopify apps. Not affiliated with, endorsed by, or sponsored by Shopify. Shopify is a trademark of Shopify Inc. No listing here paid to be included and none of the links are affiliate links. Notes were last updated 30 October 2026. They are an editorial view, not an endorsement, and pricing moves. Social profiles are linked only where the vendor publishes them. Ratings, reviews and suggestions are contributed by visitors and shared with everyone.
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