Mercury vs RevLeak
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for Mercury, Oct 14, 2026 for RevLeak.
The short answer
- Only RevLeak lists a free plan. Paid plans start at $39/month for Mercury and $49/month for RevLeak.
- RevLeak lists 3 features Mercury’s listing doesn’t mention, including AI insights, Historical analysis, Profit insights.
Head to head
Starter
- · In-app risk alerts
- · Promotion Health dashboard
- · Stacked-discount detection
- · Up to 1,000 orders / 30 days
Growth
- · In-app risk alerts
- · Promotion Health dashboard
- · Stacked-discount detection
- · Up to 5,000 orders / 30 days
Scale
- · In-app risk alerts
- · Promotion Health dashboard
- · Stacked-discount detection
- · Up to 20,000 orders / 30 days
Free
- · Fix unfulfilled orders instantly
- · See your total revenue leakage
- · Unfulfilled orders scan
Pro
- · AI-powered recovery summary
- · All 5 leak detectors
- · One-click fix for every issue
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureMercury is a read-only promotion monitoring app that helps merchants understand how discounts affect orders. It highlights stacked discounts, discount exposure, risky promotion settings, and estimated potential leakage. Review promotion health, inspect affected orders in the Leakage Ledger, monitor promotion changes, and see alerts in one place.
Your store loses revenue every day through unfulfilled orders, failed payments, shipping overcharges, and discount abuse — without you knowing. RevLeak connects to your store and scans the last 90 days automatically. You see your total estimated leakage on screen immediately, with a direct fix link for each issue. Additional detectors and an AI-powered summary are available through the app.
- See discount exposure, stacked discounts, and estimated potential leakage
- Review risky promotion settings such as no usage cap or no end date
- Inspect affected orders and discount combinations in the Leakage Ledger
- Get in-app alerts when monitored promotion settings become risky
- Scan your last 90 days for unfulfilled paid orders and chargeback risk
- Detect failed and pending payments with no follow-up action taken
- Find shipping costs charged below what you actually paid carriers
- Identify discount codes used beyond their intended limits
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 |  RevLeak | |
|---|---|---|
| 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 | RevLeak | |
|---|---|---|
| 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 |
FAQ
Mercury and RevLeak: common questions
- Is Mercury or RevLeak cheaper?
- Only RevLeak lists a free plan. Paid plans start at $39/month for Mercury and $49/month for RevLeak. 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?
- RevLeak lists 3 the others don’t mention, such as AI insights, Historical analysis, Profit insights. 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 Nov 8, 2026 for Mercury, Oct 14, 2026 for RevLeak; 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 Nov 8, 2026 for Mercury, Oct 14, 2026 for RevLeak. 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.