Quantum Chargeback Alerts vs Signifyd
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 Quantum Chargeback Alerts, Nov 8, 2026 for Signifyd.
The short answer
- Signifyd lists 8 features Quantum Chargeback Alerts’s listing doesn’t mention, including AI-powered detection, Automated workflows, Blocklists.
Head to head
Maximize Revenue by Preventing Fraud Orders & Customer Abuse
- United States
- Canada
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free to install
Free
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureChargeback uses Ethoca, Verifi services and AI-driven automation to detect and respond to disputes instantly, helping merchants prevent chargebacks before they happen. By automatically alerting you and issuing refunds when disputes occur, it protects your revenue, avoids money holds, and reduces administrative work. Merchants can manage and monitor all chargebacks easily in one dashboard.
Signifyd provides AI-powered decisioning and financial guarantees to protect your entire customer journey, from checkout through returns. Guaranteed Fraud Protection offers instant decisions at checkout, backed by a financial guarantee against fraud chargebacks on all approved orders. This shifts liability away from the merchant, letting you grow fearlessly.
- Ethoca, Verifi and AI automation detects and responds to disputes in real time
- Instantly refunds disputed orders to prevent chargebacks
- Central dashboard to track and manage all chargeback activity
- Chargeback Protection: Obtain a full guarantee on approved orders, fraud or not
- Real-time decisions, zero risk with Signifyd's identity and intent intelligence
- Protect + grow revenue: Signifyd fraud protection helps approve more good orders
- Insights Reporting identifies trends and patterns of fraud before they occur
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 |  Quantum Chargeback Alerts |  Signifyd |
|---|---|---|
| Detected stores | Not published | 2,241 |
| Net store change, 28 days | 0 | −18 |
| Stores added, 28 days | Not enough data | 10 |
| Big-brand share | Not enough data | 39% |
| Top store categories | Not published | Apparel & Accessories, Health & Beauty, Electronics |
| Top store countries | Not published | United States, Canada, United Kingdom |
Reviews
| Measure | Quantum Chargeback Alerts | Signifyd |
|---|---|---|
| App Store rating | Not published | 4.4 ★ |
| App Store reviews | Not published | 92 |
| New reviews, 28 days | Not enough data | 2 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Quantum Chargeback Alerts | Signifyd |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 1 | 1 |
Listing
| Measure | Quantum Chargeback Alerts | Signifyd |
|---|---|---|
| Shopify category rank | #86 | #44(ahead) |
| Shopify App Charts | Not on this week’s charts | #7 in Fraud |
| Built for Shopify | No | No |
| Launched | Jul 28, 2025 | Jun 21, 2013 |
| Languages | 1 | 1 |
| Developer | Penguin Secret Agency Vietnam | Signifyd |
FAQ
Quantum Chargeback Alerts and Signifyd: common questions
- What features does each app list that the other doesn’t?
- Quantum Chargeback Alerts lists 4 the others don’t mention, such as Chargeback alerts, Email notifications, Fraud filters, Order validation. Signifyd lists 8 the others don’t mention, such as AI-powered detection, Automated workflows, Blocklists, Bots. 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 Quantum Chargeback Alerts, Nov 8, 2026 for Signifyd; 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 Quantum Chargeback Alerts, Nov 8, 2026 for Signifyd. 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.