Feed Doctor vs GrowthLine Catalog Doctor
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 GrowthLine Catalog Doctor lists a free plan. Paid plans start at $9.99/month for Feed Doctor and $19.99/month for GrowthLine Catalog Doctor.
- GrowthLine Catalog Doctor lists 3 features Feed Doctor’s listing doesn’t mention, including Attribute filtering, Inventory support, Performance monitoring.
Head to head
Feed Starter
Feed AI
Free Preview
- · 1 scan per month
- · 100 products per scan
- · Preview top catalog issues
- · Read-only catalog audit
Pro
- · 10,000 products per scan
- · 50 scans per month
- · BYO AI-assisted fixes
- · Issue CSV and fix workbook exports
Ops
- · 250 scans per month
- · 50,000 products per scan
- · BYO AI-assisted fixes
- · Weekly scheduled scans
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.
GrowthLine Catalog Doctor scans Shopify products and variants for missing or duplicate SKUs, duplicate barcodes, short descriptions, missing images, inventory gaps, hidden products, and other product-data issues. Merchants review a health score, filter issue lists, export repair checklists, and use optional BYO AI-assisted draft fixes.
- One-click diagnosis of Google Merchant Center disapprovals
- Automatic, per-product fixes with plain-English reasons
- Weight, availability, GTIN & page-access repairs
- Scan products and variants for catalog data issues
- Review health score, filters, top problems, and history
- Export issue CSVs and Shopify-ready repair files
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 |  GrowthLine Catalog Doctor |
|---|---|---|
| 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 | GrowthLine Catalog Doctor |
|---|---|---|
| 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 | GrowthLine Catalog Doctor |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $9.99/month(ahead) | $19.99/month |
| Longest free trial | 14 days | Not listed |
| Plans listed | 2 | 3 |
Listing
| Measure | Feed Doctor | GrowthLine Catalog Doctor |
|---|---|---|
| Shopify category rank | #238 | Not enough data |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 3, 2026 | Jun 12, 2026 |
| Languages | 1 | 1 |
| Developer | Grüner Baum GmbH | GrowthLine Software |
FAQ
Feed Doctor and GrowthLine Catalog Doctor: common questions
- Is Feed Doctor or GrowthLine Catalog Doctor cheaper?
- Only GrowthLine Catalog Doctor lists a free plan. Paid plans start at $9.99/month for Feed Doctor and $19.99/month for GrowthLine Catalog Doctor. 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 2 the others don’t mention, such as Attribute mapping, Bulk editing. GrowthLine Catalog Doctor lists 3 the others don’t mention, such as Attribute filtering, Inventory support, Performance monitoring. 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.