MarginGuard ‑ Profit Tracking vs Promo 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 for MarginGuard, Oct 14, 2026 for Promo Doctor.
The short answer
- Only MarginGuard lists a free plan. Paid plans start at $49/month for MarginGuard and $29/month for Promo Doctor.
- MarginGuard lists 3 features Promo Doctor’s listing doesn’t mention, including Checkout analytics, Cohort analysis, Profit insights.
Head to head
Free
- · Line-item profit breakdown per order
- · Low-margin order alerts
- · Revenue, profit & margin dashboard
- · Spot products with missing costs
- · Track margins on your last 50 orders
- · Up to 3 cost rules included
Pro
- · All Free features included
- · Auto-tag low-margin orders in Shopify
- · Cost rules by product tag
- · Export order margin data to CSV
- · Full order history - No limits
- · Priority Support
Promo Doctor
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureMarginGuard shows your true profit per order — not just revenue. Automatically factor in product costs, shipping, payment fees and discounts to calculate real margins. Identify low-margin and loss-making orders instantly, get alerts when profit drops below your targets, and understand which products or discounts are impacting performance.
Promo Doctor helps Shopify merchants understand the real impact of their discount codes. Many stores track revenue but don’t see how discounts affect profit. Promo Doctor analyzes orders and discount codes to reveal the true cost of promotions and identify which codes drive healthy sales.
- See true profit per order with full cost breakdown
- Automatically include costs, fees and discounts
- Get alerts for low-margin or loss-making orders
- Identify your most and least profitable products
- Promo code profitability dashboard
- Track discount cost and revenue impact
- Identify unhealthy promo codes and campaigns
- Influencer and code performance analytics
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 |  MarginGuard |  Promo 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 | MarginGuard | Promo 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 | MarginGuard | Promo Doctor |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $49/month | $29/month(ahead) |
| Longest free trial | 14 days | 14 days |
| Plans listed | 2 | 1 |
Listing
| Measure | MarginGuard | Promo Doctor |
|---|---|---|
| Shopify category rank | #1249(ahead) | #1418 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 11, 2026 | May 27, 2026 |
| Languages | 1 | 1 |
| Developer | GuardApps | ocean apps |
FAQ
MarginGuard and Promo Doctor: common questions
- Is MarginGuard or Promo Doctor cheaper?
- Only MarginGuard lists a free plan. Paid plans start at $49/month for MarginGuard and $29/month for Promo 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?
- MarginGuard lists 3 the others don’t mention, such as Checkout analytics, Cohort analysis, Profit insights. Promo Doctor lists 2 the others don’t mention, such as Event tracking, Marketing attribution. 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 MarginGuard, Oct 14, 2026 for Promo Doctor; 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 MarginGuard, Oct 14, 2026 for Promo Doctor. 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.