Automatically sync inventory across products and variants with the same SKU. Prevent overselling and easily manage duplicate listings with Duplicup.
Free plan available, paid plans from $10.99/month. Prices are the published USD list prices on the Shopify App Store and exclude usage charges.
| Plan | Price |
|---|---|
| Starter Free | Free |
| Growth | $10.99/month |
| Pro | $19.99/month |
| Business | $39.99/month |
The top plan is 3.6× the entry plan, a normal spread — the tiers are most likely gated on volume rather than on features.
From our daily App Store rank tracking and review history — signals a static listing doesn't show.
Measured against the 207 reviewed apps in Inventory optimization, where it currently sits at #112 of 593 listings.
| Duplicup ‑ Duplicate SKU Sync | Inventory optimization median | |
|---|---|---|
| Rating | 5 | 5 |
| Reviews | 4 | 5 |
Review volume is below the category median, so weigh the rating lightly and read the most recent reviews.
The most-reviewed apps in Inventory optimization, with their current rating and entry price.
| App | Rating | Reviews | Price from | Compare |
|---|---|---|---|---|
| Etsy Integration by QuickSync | 4.9 | 1,940 | $19/mo | compare |
| Inventory Management ‑ Assisty | 4.9 | 344 | $19/mo | compare |
| 506 EasyScan SKU & Barcode | 5 | 335 | $9.99/mo | compare |
| Bundles.app ‑ Inventory Sync | 4.9 | 283 | $19/mo | compare |
| Prediko Inventory Management | 4.9 | 231 | $49/mo | compare |
| Starshipit shipping automation | 3.7 | 197 | $35/mo | compare |
| MB Push Down Hide Out of Stock | 4.8 | 137 | $4.99/mo | compare |
| Stockie Inventory Management | 4.9 | 133 | $4.99/mo | compare |
Duplicup ‑ Duplicate SKU Sync has a free plan, and paid plans start at $10.99 per month. The free tier is normally capped on volume, so check the limit against what your store does today.
Duplicup ‑ Duplicate SKU Sync publishes 4 plans: Starter Free (free), Growth at $10.99/month, Pro at $19.99/month, Business at $39.99/month. These are list prices from the Shopify App Store and exclude any usage-based charges.
Duplicup ‑ Duplicate SKU Sync holds 5 out of 5 from 4 merchant reviews. That is a small sample, so weigh the rating lightly — read the most recent reviews and judge the app on its features and support instead.
The most-reviewed alternatives in Inventory optimization are Etsy Integration by QuickSync, Inventory Management ‑ Assisty and 506 EasyScan SKU & Barcode. The comparison table above shows each one's rating, review count and entry price.
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