DeltaSync — Inventory Sync vs UniSync Multi Store Stock sync
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for DeltaSync, Nov 8, 2026 for UniSync Multi Store Stock sync.
The short answer
- Paid plans start at $29/month for DeltaSync and $4.99/month for UniSync Multi Store Stock sync.
- UniSync Multi Store Stock sync lists 5 features DeltaSync’s listing doesn’t mention, including Historical reports, Manual, Multi-store.
Head to head
- Netherlands
- Spain
- United States
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
DeltaSync Standard
Unlimited
- · $4.99 per store connections
- · Unlimited orders
- · Unlimited products
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureDeltaSync keeps stock levels aligned across your Shopify stores. When inventory changes in your source store, DeltaSync updates the matching product in every connected store within seconds, matching items by SKU. Set an optional buffer to hold back safety stock on each target store.
UniSync is your go-to solution for seamless inventory management across multiple stores. With automatic inventory sync in real-time, you can ensure that your inventory levels are always accurate and consistently updated. Whether you’re managing a complex multi-inventory location setup or need to efficiently handle duplicate SKU sync across various stores, UniSync has you covered.
- Real-time inventory sync between your connected Shopify stores
- SKU-based product matching across stores — no spreadsheets or CSV imports
- Optional safety-stock buffer held back on the target store
- Failed updates are retried automatically until they apply
- Real-time stock sync: Instantly reflects changes across all connected stores
- Multiple store sync: Easily sync inventory between stores, prevent overselling
- Automatic sync: Adjusts inventory when there’s a sale, cancellation, restock
- Duplicate SKU sync: Sync inventory between stores by the duplicate SKUs
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 |  DeltaSync |  UniSync Multi Store Stock sync |
|---|---|---|
| Detected stores | Not published | 7 |
| 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 | Apparel & Accessories, Arts & Entertainment, Health & Beauty |
| Top store countries | Not published | Netherlands, Spain, United States |
Reviews
| Measure | DeltaSync | UniSync Multi Store Stock sync |
|---|---|---|
| App Store rating | Not published | 3.7 ★ |
| App Store reviews | Not published | 7 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | DeltaSync | UniSync Multi Store Stock sync |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $29/month | $4.99/month(ahead) |
| Longest free trial | 7 days | 7 days |
| Plans listed | 1 | 1 |
Listing
| Measure | DeltaSync | UniSync Multi Store Stock sync |
|---|---|---|
| Shopify category rank | Not enough data | #371 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jun 12, 2026 | Sep 5, 2024 |
| Languages | 1 | 1 |
| Developer | DeltaSync Solutions | The UniCorner |
FAQ
DeltaSync and UniSync Multi Store Stock sync: common questions
- Is DeltaSync or UniSync Multi Store Stock sync cheaper?
- Paid plans start at $29/month for DeltaSync and $4.99/month for UniSync Multi Store Stock sync. 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?
- DeltaSync lists 4 the others don’t mention, such as Automated alerts, Bulk, Error reports, Inventory alerts. UniSync Multi Store Stock sync lists 5 the others don’t mention, such as Historical reports, Manual, Multi-store, Scheduled. 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 Oct 14, 2026 for DeltaSync, Nov 8, 2026 for UniSync Multi Store Stock sync; 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 Oct 14, 2026 for DeltaSync, Nov 8, 2026 for UniSync Multi Store Stock sync. 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.