SkuHarmony vs Syncsafe
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026.
The short answer
- Paid plans start at $49.99/month for SkuHarmony and $19.99/month for Syncsafe.
- SkuHarmony lists 7 features Syncsafe’s listing doesn’t mention, including Bulk, Data import and export, Inventory alerts.
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.
Automatic Sync
- · Copy products/variations across catalogs
- · Real-time inventory syncing
- · View shopify and Square catalogs
Syncsafe Starter
- · Every change checked before writing
- · Up to 500 matched SKUs
Syncsafe Growth
- · Every change checked before writing
- · Unlimited matched SKUs
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSkuHarmony 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.
Syncsafe keeps inventory in sync between two Shopify stores, one way, matched by SKU. What makes it different is what it refuses to do. Every stock change goes through a validation gate before anything is written: it checks the SKU resolves to exactly one variant in the other store, that the result is not negative, and that the change is not big enough to look like a mistake.
- Automatically synchronize your inventory to Square
- Clone Products between Square and Shopify with a single click
- Near Real-time adjustments
- Every stock change is checked before anything is written to the other store
- Refuses writes that would zero or wreck your stock, and tells you why
- Matches variants by SKU, and flags duplicates instead of guessing
- A permanent record of every stock change and why it was or was not written
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 |  SkuHarmony |  Syncsafe |
|---|---|---|
| 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 | SkuHarmony | Syncsafe |
|---|---|---|
| App Store rating | 4.4 ★ | Not published |
| App Store reviews | 17 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | SkuHarmony | Syncsafe |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $49.99/month | $19.99/month(ahead) |
| Longest free trial | 14 days | Not listed |
| Plans listed | 1 | 2 |
Listing
| Measure | SkuHarmony | Syncsafe |
|---|---|---|
| Shopify category rank | #142(ahead) | #641 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Apr 6, 2018 | Sep 11, 2026 |
| Languages | 1 | 1 |
| Developer | SkuHarmony | Syncsafe |
FAQ
SkuHarmony and Syncsafe: common questions
- Is SkuHarmony or Syncsafe cheaper?
- Paid plans start at $49.99/month for SkuHarmony and $19.99/month for Syncsafe. 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?
- SkuHarmony lists 7 the others don’t mention, such as Bulk, Data import and export, Inventory alerts, Multi-channel. Syncsafe lists 5 the others don’t mention, such as Detailed logs, Error reports, Manual, Real-time. 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; 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. 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.