Duplicup ‑ Duplicate SKU Sync vs Sqquid Inventory Health Check
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for Duplicup, Jun 10, 2026 for Sqquid Inventory Health Check.
The short answer
- Only Duplicup lists a free plan.
- Duplicup lists 5 features Sqquid Inventory Health Check’s listing doesn’t mention, including Auto-processing, Insights, Inventory sync.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter
- · 1-Click Restock
- · Automatic SKU & Barcode Matching
- · Available for ALL Shopify plans
- · Standard Volume Processing
- · Up to 3 Duplicate SKU Groups
- · Up to 50 syncs / month
Growth
- · 1-Click Restock
- · Fast Email Support
- · Manual Link Groups (Bundles & Packs)
- · Multi-Location Support
- · Sync History
- · Unlimited Store Catalog Size
Pro
- · 1-Click Restock
- · For growing businesses
- · Manual Link Groups (Bundles & Packs)
- · Multi-Location Support
- · Priority Support
- · Sync History
Enterprise
- · High Concurrency Sync
- · Manual Link Groups (Bundles & Packs)
- · Multi-Location Support
- · Priority Engineering Access
- · Sync History
- · Unlimited Duplicate SKU Groups
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureDuplicup helps you optimize your store by safely offering duplicate products and variants under multiple listings. Whether you are selling identical items on separate pages, improving SEO, or managing different prices for POS, simply give them the same SKU. Our app creates a shared inventory pool to keep connected inventory in sync across matching SKUs in real-time.
Sqquid Inventory Health Check scans products, variants, inventory, locations, and recent orders to surface operational risks in one dashboard. Use it to review SKU cleanup issues, multi-location inventory gaps, oversell risk, aging orders, and channel-readiness blockers before they create fulfillment problems or slow growth. The app is read-only.
- Sync inventory in real-time for products and variants sharing an SKU.
- Sell an item through multiple product pages and track simple bundles.
- Multi-location SKU sync. Match stock levels at all your locations.
- Quick restock. Update stock of all the same SKUs together with one click.
- Run a read-only inventory and operations health check
- Find missing SKUs, duplicate SKUs, barcodes, weights, and images
- Review oversell, low-stock, and negative-inventory risks
- See aging unfulfilled orders when order access is granted
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Duplicup |  Sqquid Inventory Health Check |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Duplicup | Sqquid Inventory Health Check |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 5 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Duplicup | Sqquid Inventory Health Check |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $14.99/month | No monthly plan listed |
| Longest free trial | 14 days | Not listed |
| Plans listed | 4 | Not published |
Listing
| Measure | Duplicup | Sqquid Inventory Health Check |
|---|---|---|
| Shopify category rank | #26(ahead) | #267 |
| Shopify App Charts | #10 on Pricing moves in Inventory optimization | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | May 1, 2026 | Jun 10, 2026 |
| Languages | 1 | 1 |
| Developer | Stokow | Sqquid HQ |
FAQ
Duplicup and Sqquid Inventory Health Check: common questions
- Is Duplicup or Sqquid Inventory Health Check cheaper?
- Only Duplicup lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Duplicup lists 5 the others don’t mention, such as Auto-processing, Insights, Inventory sync, Real-time updates. Sqquid Inventory Health Check lists 2 the others don’t mention, such as Inventory tracking, Multi-channel. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 8, 2026 for Duplicup, Jun 10, 2026 for Sqquid Inventory Health Check; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 8, 2026 for Duplicup, Jun 10, 2026 for Sqquid Inventory Health Check. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.