Margin Sentinel vs MarginLab
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for Margin Sentinel, Oct 13, 2026 for MarginLab.
The short answer
- Only Margin Sentinel lists a free plan. Paid plans start at $15/month for Margin Sentinel and $39/month for MarginLab.
- MarginLab lists 6 features Margin Sentinel’s listing doesn’t mention, including AI insights, Custom dashboards, Custom reports.
Head to head
Free
- · Export a fix list
- · Find missing unit costs
- · Scan up to 100 variants
Starter
- · Import supplier costs by CSV
- · Minimum price, what-if and alerts
- · Scan up to 5,000 variants
Growth
- · Import supplier costs by CSV
- · Minimum price and what-if checks
- · Scan up to 25,000 variants
- · Weekly alerts and priority support
MarginLab Starter
MarginLab Growth
Starter Annual
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureOpen Margin Sentinel once and it automatically checks up to 100 Shopify variants using current price, unit cost, and inventory. See the exact SKUs with missing costs, negative gross margin, or prices below your target, plus what to fix first. Free includes cost repair, one guided supplier CSV import, discount scenarios, and fix-list export. No card, order data, or automatic changes.
MarginLab helps Shopify merchants understand where profit is being lost and what deserves attention first. It analyzes store and product economics to reveal weak margins, missing costs, pricing issues and changes in profitability. Merchants can monitor profit health, understand the economic impact of taxes and operating costs, and evaluate potential improvements before making decisions.
- Variant scan finds margin leaks and highlights issues like missing data.
- Supplier data templates and CSV imports to fill missing variant information.
- Scenario analysis to model catalog changes and measure impact on margins.
- Detect products with negative profit margins
- Monitor real profit margins across your catalog
- Identify hidden profit leaks affecting profitability
- Detect missing product costs and pricing issues
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 |  Margin Sentinel |  MarginLab |
|---|---|---|
| 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 | Margin Sentinel | MarginLab |
|---|---|---|
| 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 | Margin Sentinel | MarginLab |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $15/month(ahead) | $39/month |
| Longest free trial | 14 days | 14 days |
| Plans listed | 3 | 3 |
Listing
| Measure | Margin Sentinel | MarginLab |
|---|---|---|
| Shopify category rank | #369 | #932 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jun 22, 2026 | May 4, 2026 |
| Languages | 1 | 1 |
| Developer | Profit Guard | MarginLab |
FAQ
Margin Sentinel and MarginLab: common questions
- Is Margin Sentinel or MarginLab cheaper?
- Only Margin Sentinel lists a free plan. Paid plans start at $15/month for Margin Sentinel and $39/month for MarginLab. 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?
- MarginLab lists 6 the others don’t mention, such as AI insights, Custom dashboards, Custom reports, Data export. 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 for Margin Sentinel, Oct 13, 2026 for MarginLab; 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 for Margin Sentinel, Oct 13, 2026 for MarginLab. 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.