CostSonar vs MerchGrid: Catalog Audit
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for CostSonar, Aug 7, 2026 for MerchGrid.
The short answer
- CostSonar lists 1 features MerchGrid’s listing doesn’t mention, including Custom reports.
Head to head
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureShopify keeps one cost per inventory item. When you change it, the old value is replaced, so earlier margins stop matching. CostSonar records cost changes from its first check and keeps a dated history. It sorts your catalogue into variants selling below cost, variants with no cost set, and variants on a thin margin. Archived and draft products are skipped. Access is read-only. The app never writes to your store.
MerchGrid scans your Shopify catalog and shows you the product data, pricing, and merchandising problems that may be costing you sales. Every finding explains what's wrong, why it matters, and links straight to the product in your Shopify admin so you can review and fix it yourself. Export the full report as CSV anytime.
- See the variants selling below cost, biggest loss per unit first
- Get an email when a product that was making money starts losing it
- Keep a dated record of cost changes from your first check
- Find products with no cost set, which profit reports cannot include
- Detect below-cost and low-margin pricing
- Catch invalid or ineffective sale (compare-at) prices
- Find duplicate and missing 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 |  MerchGrid | |
|---|---|---|
| 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 | MerchGrid | |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
CostSonar and MerchGrid: common questions
- What features does each app list that the other doesn’t?
- CostSonar lists 1 the others don’t mention, such as Custom reports. 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 Nov 9, 2026 for CostSonar, Aug 7, 2026 for MerchGrid; 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 Nov 9, 2026 for CostSonar, Aug 7, 2026 for MerchGrid. 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.