MarginWatch Price Monitor vs Price Sentry: Undercut Radar
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 MarginWatch Price Monitor, Oct 13, 2026 for Price Sentry.
The short answer
- Both list a free plan. Paid plans start at $9/month for MarginWatch Price Monitor and $29/month for Price Sentry.
- MarginWatch Price Monitor lists 7 features Price Sentry’s listing doesn’t mention, including Analytics, Dashboards, Price alerts.
Head to head
Free
- · 5 monitored competitor pages
- · Daily scheduled checks
- · Email alerts and reports
- · Price, stock and content history
Starter
- · 25 monitored competitor pages
- · Checks from every 6 hours
- · Email alerts and reports
- · Price, stock and content alerts
Pro
- · 100 monitored competitor pages
- · 2 workspace users
- · Checks from every 4 hours
- · Price, stock and content alerts
Business
- · 300 monitored competitor pages
- · Checks from every 3 hours
- · Price, stock and content alerts
- · Priority setup support
Free
- · Competitor prices re-checked weekly
- · Health score + overpriced-first list
- · Up to 50 products, 5 competitors each
Pro
- · Everything in Free, re-checked daily
- · On-demand Refresh now, per product
- · Unlimited products & competitors
Scale
- · CSV export + priority Refresh now
- · Everything in Pro, re-checked hourly
- · Undercut alerts sent to your webhook
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureMarginWatch syncs your active product catalogue and helps multi-brand stores compare matching products sold by other retailers. Add the exact public competitor product page to monitor price, stock, promotions, titles, descriptions and images. Supported foreign currencies are converted using daily exchange rates. Choose which changes trigger email alerts and use reports to review priorities.
Pick products from your catalog and add competitor URLs — eMAG, Altex, other structured-price pages. We re-read their public list price on your plan's schedule — weekly, daily or hourly, up to 500 products per pass. Home scores the products it compared and ranks them reprice-first by gap over the cheapest in-stock rival.
- Sync active products with images, prices, references and stock
- Monitor matching competitor prices, availability and promotions
- Compare supported currencies using daily exchange rates
- Choose email alert types and review scheduled reports
- Watchlist from your Shopify catalog + any public competitor URL (eMAG, Altex)
- Catalog-wide pricing-health score + an overpriced-first reprice list
- Per-product rank and exact % gap vs every competitor you track
- 30-day price history + fresh-undercut detection when a rival crosses below
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 |  MarginWatch Price Monitor |  Price Sentry |
|---|---|---|
| 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 | MarginWatch Price Monitor | Price Sentry |
|---|---|---|
| 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 | MarginWatch Price Monitor | Price Sentry |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $9/month(ahead) | $29/month |
| Longest free trial | Not listed | Not listed |
| Plans listed | 4 | 3 |
Listing
| Measure | MarginWatch Price Monitor | Price Sentry |
|---|---|---|
| Shopify category rank | #265 | #188(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Aug 7, 2026 | Jul 31, 2026 |
| Languages | 2 | 1 |
| Developer | NexaFlow Labs | DevShopHub |
FAQ
MarginWatch Price Monitor and Price Sentry: common questions
- Is MarginWatch Price Monitor or Price Sentry cheaper?
- Both list a free plan. Paid plans start at $9/month for MarginWatch Price Monitor and $29/month for Price Sentry. 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?
- MarginWatch Price Monitor lists 7 the others don’t mention, such as Analytics, Dashboards, Price alerts, Price history. 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 MarginWatch Price Monitor, Oct 13, 2026 for Price Sentry; 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 MarginWatch Price Monitor, Oct 13, 2026 for Price Sentry. 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.