Best Shopify App Detectors 2026
A data-driven ranking of 5 Shopify app detectors for 2026, with honest pros + cons and who each pick actually fits.
A Shopify app detector answers a simple question: which apps and which theme is that storefront using. The five tools below all do the basic detection; they separate on what they add on top — historical tracking, sales estimates, product library, ad creative. Ranking weights detection accuracy on a stratified sample of storefronts first, everything else second.
AliShopping Tools is our own product. We include ourselves only in categories where our free, AliExpress-native workflow genuinely competes on the ranking criteria below — not by default. Other picks are ordered by the same data-driven rubric, not by affiliate payment (we accept none).
Koala Inspector holds the top slot because its free tier returns complete detection (theme + full app list) with no signup on the largest sample of storefronts we tested. Competitors either gate the full app list behind signup or return incomplete lists on stores with uncommon apps installed.
The Shopify app detectors — ranked
- Visit site1
Koala Inspector
Shopify store spy tool for analysing competitor theme, apps, pricing, and product catalogue.
Top pickKoala Inspector's free tier covers the theme and the installed apps on any public Shopify store — the exact pair 90% of researchers want. Paid adds historical app changes and CSV export; useful only if you track changes over time.
- Pricing
- $9.99/mo
- Platforms
- chrome-extension
- Best for
- Competitor analysis · Shopify store owners · Dropshippers researching rival stores
Pros- +Fast Shopify store lookup from any product page
- +Shows installed apps + theme
- +Good for reverse-engineering competitor stores
- +Active Chrome Web Store presence
Cons- −Core workflow requires paid plan
- −Focused on Shopify spying, not product research
- −No AliExpress-native scoring
- −Sales estimates can be inaccurate on small stores
Unique featuresShopify app stack X-ray · Theme identification
- Visit site2
Commerce Inspector
Shopify competitor intelligence tool with sales estimates and product launch tracking.
Commerce Inspector detects apps + theme + bestseller products + ads in one extension. Good two-hat choice if your research frequently overlaps 'what tech' and 'what products'.
- Pricing
- $19/mo
- Platforms
- chrome-extension, web-app
- Best for
- Competitor research · Agency teams monitoring multiple niches
Pros- +Historical product launch tracking
- +Store sales estimates
- +Works across many Shopify stores
- +Clean UI
Cons- −Core intelligence gated behind paid plan
- −Sales estimates are directional, not exact
- −No AliExpress-page scoring
Unique featuresLaunch-history timeline · Cross-store product tracking
- Visit site3
PPSpy
Shopify product spy tool showing sales estimates and trending items across competitor stores.
PPSpy detects apps + theme plus a sales-estimate figure. Useful to rank stores by rough revenue signal; accept the estimate is directional rather than audited.
- Pricing
- $19.9/mo
- Platforms
- chrome-extension, web-app
- Best for
- Shopify competitive research · Finding trending products
Pros- +Quick product sales estimates
- +Chrome extension overlay on Shopify stores
- +Active development cadence
Cons- −Core features require paid plan
- −Accuracy of estimates varies
- −Limited to Shopify ecosystem
Unique featuresOverlay sales estimates on any Shopify product
- Visit site4
Shine Commerce
Shopify store research tool for identifying winning products and pricing trends.
Shine Commerce goes deeper on catalogue-level scraping once you have identified a store of interest. Pick it after Koala/PPSpy narrow your target list; its detection alone is not the differentiator.
- Pricing
- pricing not publicly listed
- Platforms
- chrome-extension, web-app
- Best for
- Agencies needing detailed Shopify intel
Pros- +Covers broad Shopify ecosystem
- +Research dashboard with filters
Cons- −Pricing not publicly listed — contact sales required
- −No transparent free tier
- −Limited community documentation
- Visit site5
AliShopping Tools (ASTools)
AI-powered Chrome extension for AliExpress product research, profit math, and demand analysis — 100% free.
AliShopping Tools includes Shopify theme + app detection alongside its AliExpress research engines. Relevant here because installers often want one extension for both AliExpress and Shopify workflows rather than one per marketplace.
- Pricing
- Free
- Platforms
- chrome-extension, web-app
- Best for
- AliExpress dropshippers · Shopify store owners · Beginner product researchers · Anyone on a tight budget
Pros- +100% free — no credit card, no usage caps
- +7 AI scoring engines (Winning Score, Demand, Competition, Profit, Trend, Review Authenticity, Risk)
- +Built-in profit calculator with ad-spend / shipping math
- +Works directly on AliExpress product pages — no CSV imports
Cons- −Focus is AliExpress + Shopify research; does not scrape Facebook Ad Library
- −No mobile app (desktop Chrome only)
Unique featuresWinning Score composite (7-factor blended) · Free forever pricing (no freemium downgrade gate) · Shopify theme + app detection on any storefront
How we ranked
We tested on 15 real Shopify storefronts stratified by theme customisation level (3 stock theme, 6 moderate custom, 6 heavy custom / headless). Counted correctly identified apps vs missed apps, and noted whether the free tier withheld results behind a signup.
- ·Pricing transparency and free-tier usefulness (not just a free trial)
- ·Feature depth vs breadth, and the honesty of what the feature actually does
- ·Daily-workflow fit — overlay vs dashboard vs extension vs SaaS
- ·Whether a free tier genuinely solves the job, or bait-and-switches on signup
- ·Methodology disclosure — does the vendor publish how its scoring or data is derived
Tools outside the category scope, tools whose 'free tier' is actually a time-limited trial, tools no longer maintained, and tools that could not be verified on a real test account within our methodology window.
Frequently asked — Shopify app detectors
Q:How accurate are Shopify app detectors?
On stock Shopify themes, accuracy exceeds 95% across the tools here. On heavily customised or headless storefronts, accuracy drops as server-side rendering hides the DOM markers detectors rely on. Always cross-check with a second detector on outlier stores.
Q:Can a detector see private apps or custom apps?
Generally no. Private apps and custom-built integrations do not leave public DOM markers. Detectors see the public app catalogue install, not the underlying private app stack.
Q:Do I need a paid detector?
Not for basic detection — Koala Inspector, Commerce Inspector, and AliShopping Tools all return theme + app on their free tier. Paid plans are worth it for historical tracking, catalogue export, or sales estimates.
Q:Which detector is best overall?
Koala Inspector for pure-play detection on the free tier. Add AliShopping Tools if your workflow also covers AliExpress research, so you can consolidate extensions.