GMC Feed Preflight vs Uni‑Feed: Google Shopping Feed
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for GMC Feed Preflight, Oct 22, 2026 for Uni‑Feed.
The short answer
- Both list a free plan. Paid plans start at $29/month for GMC Feed Preflight and $9.90/month for Uni‑Feed.
- Uni‑Feed lists 4 features GMC Feed Preflight’s listing doesn’t mention, including Attribute filtering, Error validation, Product sync.
Head to head
Free
Pro
Free Plan
- · Up to 10 products. Manual GMC connection
Basic Plan
- · 1,000 products. UTM and sale prices.
Pro Plan
- · Unlimited products. Priority support.
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureGMC Feed Preflight helps merchants review store product data before products are sent to Google Merchant Center. It scans products, variants, prices, images, inventory signals, SKUs, barcodes, vendors, options, tags, and selected metafields with read-only access. Merchants can review prioritized issues, configure attribute mappings, track issue status, and export CSV issue lists.
Generate Google Shopping XML feeds from your Shopify catalog. Configure product fields, collection filters, sale prices and UTM tracking, then add the feed URL to Merchant Center for scheduled fetching. Google account connection and market-language/currency feeds are in a controlled beta pending OAuth verification. Product approval depends on Google requirements.
- Scan product data for feed readiness issues
- Review prioritized fixes by severity and status
- Map attributes and export CSV issue lists
- Auto-sync products to Google Merchant Center in real time.
- Connect your Google account in one click. Zero manual work.
- Filter products and map essential GMC attributes easily.
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 |  GMC Feed Preflight |  Uni‑Feed |
|---|---|---|
| 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 | GMC Feed Preflight | Uni‑Feed |
|---|---|---|
| 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 |
Pricing
| Measure | GMC Feed Preflight | Uni‑Feed |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $29/month | $9.90/month(ahead) |
| Longest free trial | 7 days | Not listed |
| Plans listed | 2 | 3 |
Listing
| Measure | GMC Feed Preflight | Uni‑Feed |
|---|---|---|
| Shopify category rank | #300 | #221(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 17, 2026 | Mar 30, 2026 |
| Languages | 1 | 2 |
| Developer | PURE INSIGHT TECHNOLOGY LTD | UniKuusou |
FAQ
GMC Feed Preflight and Uni‑Feed: common questions
- Is GMC Feed Preflight or Uni‑Feed cheaper?
- Both list a free plan. Paid plans start at $29/month for GMC Feed Preflight and $9.90/month for Uni‑Feed. 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?
- GMC Feed Preflight lists 1 the others don’t mention, such as Custom rules. Uni‑Feed lists 4 the others don’t mention, such as Attribute filtering, Error validation, Product sync, Store updates. 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 13, 2026 for GMC Feed Preflight, Oct 22, 2026 for Uni‑Feed; 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 13, 2026 for GMC Feed Preflight, Oct 22, 2026 for Uni‑Feed. 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.