Duplicup ‑ Duplicate SKU Sync

Shopify inventory optimization app by Stokow·Sync duplicate products & variants with the same SKU. Sell duplicates without overselling!

Snapshot

5.00(1 reviews)#181of 438 inInventory optimization

Ongoing.AI tracks Duplicup ‑ Duplicate SKU Sync daily — category rank, keyword positions in App Store search, install footprint, listing changes, and reviewer sentiment — back to when we first observed the listing.

CategoriesInventory optimization

Rating

5.00

1 reviews

Pricing

From $7/mo

freemium

Built for Shopify

No

Years live

0

launched May 1, 2026

Last updated

Jun 30, 2026

Shopify listing

Recent activity

Review trajectory.

Daily review count and rating drift. The blue line is cumulative review count; the dashed amber overlay is the rating on the right axis. Boring is good — sudden swings stand out against an otherwise stable curve.

New reviews

7-day Δ

—

28-day Δ

+0

Rating change

7-day Δ

—

28-day Δ

+0.00

2.001.501.000.500.005.003.752.501.250.00May 28Jun 2Jun 7Jun 12Jun 17Total reviewsRating (0–5)
Duplicup ‑ Duplicate SKU Sync added 0 reviews over the last 28 days.

Catalog position

Where Duplicup ‑ Duplicate SKU Sync sits in the App Store.

Rank and percentile inside the Inventory optimization category — the competitive shape of the niche around this app.

Rank in Inventory optimization

#181

of 438 active apps

Review count percentile

57th

vs category siblings

Rating percentile

78th

vs category siblings

Years on App Store

0

since 2026

Listing change cadence

What Duplicup ‑ Duplicate SKU Sync has changed lately.

Every pricing tweak, tagline refresh, and Shopify-side listing ping. Captured from Ongoing.AI’s per-scrape diff log — the cadence and the content of changes, in one strip.

Listing changes · last 21 days+21shopify_lastmod: 2026-06-11 → 2026-06-13shopify_lastmod: 2026-06-13 → 2026-06-16shopify_lastmod: 2026-06-16 → 2026-06-19shopify_lastmod: 2026-06-19 → 2026-06-23tagline: Sync stock across products with … → Sync duplicate products & varian…description: Duplicup helps you optimize your… → Duplicup helps you optimize your…shopify_lastmod: 2026-06-23 → 2026-06-25shopify_lastmod: 2026-06-25 → 2026-06-27description: Duplicup helps you optimize your… → Duplicup helps you optimize your…shopify_lastmod: 2026-06-27 → 2026-06-28shopify_lastmod: 2026-06-28 → 2026-06-30Jun 13, 26Jun 23, 26Jul 4, 26

Shopify Lastmod · Jul 1

2026-06-28 → 2026-06-30

Shopify Lastmod · Jun 29

2026-06-27 → 2026-06-28

Description · Jun 28

Duplicup helps you optimize your… → Duplicup helps you optimize your…

PricingIdentity & listingCadence

Reviews

What merchants are saying

5.00(1 reviews)
  • 100%positive1
  • 0%neutral0
  • 0%negative0

Top themes

    What merchants praise

    “We needed a slight tweak to an existing feature and we reached out and the devs had the feature added within a few days. No other SKU sync tool lets you manually link product skus. This is a game changer for our business and quite helpful. Thanks so much!”
    Security & Privacy Tools | STS Collective · 5★ · 2026-06-16

    Plans

    Duplicup ‑ Duplicate SKU Sync pricing tiers.

    Starter

    Free

    • For SHOPIFY STAFF Stores
    • For SHOPIFY PARTNER Stores
    • For SHOPIFY TRIAL Stores
    • For PAUSE AND BUILD Stores
    • All App Features Included
    • Unlimited SKUs
    • Unlimited Syncs

    Basic

    $7.99/month

    • For Basic, Shopify, Advanced
    • Unlimited SKUs
    • Unlimited Syncs
    • Multi-Location Support
    • 1-Click Restock
    • Sync History
    • Fast Email Support

    Unicorn

    $14.99/month

    • For Shopify Plus Stores
    • High Volume Processing
    • Unlimited SKUs & Syncs
    • Multi-Location Support
    • 1-Click Restock
    • Sync History
    • Priority Support

    Capabilities

    What Duplicup can do.

    The 6 capabilities Duplicup lists across its category, in Shopify’s own taxonomy. Pulled directly from the App Store listing.

    Inventory management

    3
    • Inventory sync
    • Real-time updates
    • SKUs

    Order management

    1
    • Auto-processing

    Notifications and analytics

    2
    • Insights
    • Analytics

    FAQ

    Duplicup — frequently asked questions.

    What is Duplicup on Shopify?
    Duplicup, officially listed on the Shopify App Store as Duplicup ‑ Duplicate SKU Sync, is a Shopify app in the Inventory optimization category. Duplicup 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 and syncs inventory across matching SKUs in real-time. No more manual stock updates or overselling, allowing you to confidently expand your product catalog. It averages 5.00 out of 5 across 1 merchant reviews on the Shopify App Store.
    How much does Duplicup cost?
    Duplicup offers a free plan and 2 paid plans starting at $7/month and going up to $14.99/month. The free plan includes For SHOPIFY STAFF Stores, For SHOPIFY PARTNER Stores, For SHOPIFY TRIAL Stores, and For PAUSE AND BUILD Stores. The paid plans unlock advanced features beyond what's available on the free tier.
    Is Duplicup free?
    Yes — Duplicup offers a free plan alongside paid options. The free plan includes For SHOPIFY STAFF Stores, For SHOPIFY PARTNER Stores, and For SHOPIFY TRIAL Stores. Paid plans start at $7/month for advanced features.
    When was Duplicup launched?
    Duplicup launched on May 1, 2026. In that time it has gathered 1 merchant reviews.
    Is Duplicup Built for Shopify?
    Duplicup does not currently carry Shopify's Built for Shopify badge. The badge is awarded to apps that meet Shopify's published standards for performance, ease of use, and merchant value — many high-quality apps operate without it.
    What are the best Duplicup alternatives?
    Merchants commonly compare Duplicup with Etsy Integration by QuickSync, Inventory Management, 506 EasyScan SKU & Barcode, and Bundles.app. Each alternative covers a similar use case but differs on pricing model, integration depth, and the specific themes merchants praise in reviews — see the alternatives section above for a side-by-side.

    Alternatives

    Apps merchants pick instead.

    R. I. T. N. S.

    Etsy Integration by QuickSync

    4.90★1,806

    Known for: customer-support

    Assisty

    Inventory Management ‑ Assisty

    4.80★345

    506

    506 EasyScan SKU & Barcode

    5.00★330

    Gazebo

    Bundles.app ‑ Inventory Sync

    4.90★308
    Browse more inAll Inventory optimization apps

    Methodology

    Where the numbers come from.

    Ratings, review counts, pricing tiers, “Built for Shopify”, launch date, and category memberships come from the live Shopify App Store listing — refreshed daily by Ongoing.AI’s crawler. The review-count trajectory is the diff between today’s snapshot and snapshots from 7 and 28 days ago. Topic counts and sentiment come from the review corpus, topic-tagged with Claude. Install footprint is observed via Ongoing.AI’s tech-detection pass against actively-tracked Shopify storefronts. Catalog position is computed at snapshot time against every active app sharing the primary category. Snapshot generated .

    Find every brand running Duplicup ‑ Duplicate SKU Sync.

    Ongoing.AI tracks every Shopify brand’s app stack daily. Pull the full install list, filter by vertical or geography, and catch the moment merchants install — or churn off.

    Track Duplicup ‑ Duplicate SKU Sync — free Start free

    Prefer the source? View Duplicup ‑ Duplicate SKU Sync on the Shopify App Store ↗