Duell Integration vs SkuHarmony
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Apr 16, 2026 for Duell Integration, Oct 14, 2026 for SkuHarmony.
The short answer
- SkuHarmony lists 5 features Duell Integration’s listing doesn’t mention, including Automatic, Bulk, Data import and export.
Head to head
Sync Your Inventory Between Your Store and 1 Square Location.
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
Automatic Sync
- · Copy products/variations across catalogs
- · Real-time inventory syncing
- · View shopify and Square catalogs
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureDuell Integration app helps to manage product and its inventory from Duell system. App registered webhook provide immediate stock adjustment. App allow you to manage product contents and stock from Duell backoffice.
SkuHarmony makes it easy to sell in both Shopify and Square, and have your inventory synchronized between both systems. When a product is sold in one, we remove it from the other so that you never oversell, and don't have to make these changes manually.
- Manage Product
- Manage Inventory
- Manage Orders
- Automatically synchronize your inventory to Square
- Clone Products between Square and Shopify with a single click
- Near Real-time adjustments
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 |  Duell Integration |  SkuHarmony |
|---|---|---|
| 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 | Duell Integration | SkuHarmony |
|---|---|---|
| App Store rating | Not published | 4.4 ★ |
| App Store reviews | Not published | 17 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Duell Integration | SkuHarmony |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $49.99/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | 1 | 1 |
Listing
| Measure | Duell Integration | SkuHarmony |
|---|---|---|
| Shopify category rank | #460 | #142(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 22, 2020 | Apr 6, 2018 |
| Languages | 1 | 1 |
| Developer | DUELL AS | SkuHarmony |
FAQ
Duell Integration and SkuHarmony: common questions
- What features does each app list that the other doesn’t?
- Duell Integration lists 4 the others don’t mention, such as Barcodes, Order updates, Prices, SKUs. SkuHarmony lists 5 the others don’t mention, such as Automatic, Bulk, Data import and export, 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 Apr 16, 2026 for Duell Integration, Oct 14, 2026 for SkuHarmony; 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 Apr 16, 2026 for Duell Integration, Oct 14, 2026 for SkuHarmony. 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.