Feed Doctor vs GMC Feed Preflight
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026.
The short answer
- Only GMC Feed Preflight lists a free plan. Paid plans start at $9.99/month for Feed Doctor and $29/month for GMC Feed Preflight.
- Feed Doctor lists 5 features GMC Feed Preflight’s listing doesn’t mention, including AI mapping, Bulk editing, Error validation.
Head to head
Feed Starter
Feed AI
Free
Pro
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureFeed Doctor helps Shopify merchants understand the product-data and landing-page issues that lead to Google Merchant Center disapprovals. Run a catalog-only diagnosis, or connect your Merchant Center account to include the actual disapprovals Google reports. Review the proposed action for each product, then approve the supported Shopify fixes you want to apply.
GMC 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.
- One-click diagnosis of Google Merchant Center disapprovals
- Automatic, per-product fixes with plain-English reasons
- Weight, availability, GTIN & page-access repairs
- Scan product data for feed readiness issues
- Review prioritized fixes by severity and status
- Map attributes and export CSV issue lists
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 |  Feed Doctor |  GMC Feed Preflight |
|---|---|---|
| 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 | Feed Doctor | GMC Feed Preflight |
|---|---|---|
| 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 | Feed Doctor | GMC Feed Preflight |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $9.99/month(ahead) | $29/month |
| Longest free trial | 14 days | 7 days |
| Plans listed | 2 | 2 |
Listing
| Measure | Feed Doctor | GMC Feed Preflight |
|---|---|---|
| Shopify category rank | #238(ahead) | #300 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 3, 2026 | Jul 17, 2026 |
| Languages | 1 | 1 |
| Developer | Grüner Baum GmbH | PURE INSIGHT TECHNOLOGY LTD |
FAQ
Feed Doctor and GMC Feed Preflight: common questions
- Is Feed Doctor or GMC Feed Preflight cheaper?
- Only GMC Feed Preflight lists a free plan. Paid plans start at $9.99/month for Feed Doctor and $29/month for GMC Feed Preflight. 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?
- Feed Doctor lists 5 the others don’t mention, such as AI mapping, Bulk editing, Error validation, Feed optimization. GMC Feed Preflight lists 2 the others don’t mention, such as Custom rules, Metafields. 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; 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. 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.