Fraud Judge Fraud Prevention vs SEON Fraud Prevention (Legacy)
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 22, 2026 for Fraud Judge Fraud Prevention, Nov 8, 2026 for SEON Fraud Prevention (Legacy).
The short answer
- On the Shopify App Store: Fraud Judge Fraud Prevention 4.5 from 14 reviews and SEON Fraud Prevention (Legacy) 4.8 from 50 reviews.
- Only Fraud Judge Fraud Prevention lists a free plan. Paid plans start at $20/month for Fraud Judge Fraud Prevention and $699/month for SEON Fraud Prevention (Legacy).
- SEON Fraud Prevention (Legacy) lists 10 features Fraud Judge Fraud Prevention’s listing doesn’t mention, including AI-powered detection, Auto-cancel, Automated workflows.
Head to head
Fraud Protection, ID Verification, Chargeback Protection
Fraud & Chargeback Prevention. Filter, Cancel High-Risk Orders
- United States
- Australia
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 10 free order checks/month
- · 3 free data verification requests/month
- · Custom rules
- · Full access
- · No hidden fees
All inclusive
- · Full access
- · No Hidden Fees
- · Notifications under custom email domain
- · Unlimited Data Verification requests
- · Unlimited Order Checks
Retail Starter
- · 1,000 orders/mo included
- · In-product & email support
- · Max 10 users & 50 custom rules
- · Max 50,000 orders/mo
- · Self-onboarding & knowledge base
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureStop fraud, chargebacks & inventory loss with a powerful rule-based risk engine and customer verification workflows. Fraud Judge analyzes order behavior, customer history, geo-data, card BIN country, value thresholds, and identity mismatches in real time — giving you full control to block, verify, or approve orders before fulfillment.
SEON's anti-fraud technology keeps your business safe so you can focus on growth and customer success. SEON uses real-time analysis of numerous data points such as email, phone, IP, card data, device info, behavior analysis, and more to validate transactions with the power of AI and machine learning. Leverage our industry-leading eCommerce fraud rules and create custom rules unique to your business.
- Set your own custom rules to instantly flag risky orders, customers or addresses
- Check customers by requesting identity verification before processing an order
- Ask for address verification & let customers prove the validity of the purchase
- Give customer a chance to prove the ID and confirm the validity of the purchase
- Integration: seamless, plug & play with frictionless customer experience
- Security: prevents your store from fraudulent activities, chargebacks and losses
- Customization: highly flexible, custom business-specific rules, allow/blocklists
- Automation: auto capture payments for approved orders and cancel declined ones
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 |  Fraud Judge Fraud Prevention |  SEON Fraud Prevention (Legacy) |
|---|---|---|
| Detected stores | Not published | 115 |
| Net store change, 28 days | 0 | −1 |
| Stores added, 28 days | Not enough data | 3 |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Apparel & Accessories, Health & Beauty, Home & Garden |
| Top store countries | Not published | United States, Australia, United Kingdom |
Reviews
| Measure | Fraud Judge Fraud Prevention | SEON Fraud Prevention (Legacy) |
|---|---|---|
| App Store rating | 4.5 ★ | 4.8 ★(ahead) |
| App Store reviews | 14 | 50(ahead) |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Fraud Judge Fraud Prevention | SEON Fraud Prevention (Legacy) |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $20/month(ahead) | $699/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | 2 | 1 |
Listing
| Measure | Fraud Judge Fraud Prevention | SEON Fraud Prevention (Legacy) |
|---|---|---|
| Shopify category rank | #34 | Not enough data |
| Shopify App Charts | Not on this week’s charts | #20 in Fraud |
| Built for Shopify | Yes | No |
| Launched | Sep 30, 2021 | Sep 30, 2021 |
| Languages | 1 | 1 |
| Developer | Pluginhost B.V. | SEON Technologies US Inc. |
FAQ
Fraud Judge Fraud Prevention and SEON Fraud Prevention (Legacy): common questions
- Is Fraud Judge Fraud Prevention or SEON Fraud Prevention (Legacy) cheaper?
- Only Fraud Judge Fraud Prevention lists a free plan. Paid plans start at $20/month for Fraud Judge Fraud Prevention and $699/month for SEON Fraud Prevention (Legacy). Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Fraud Judge Fraud Prevention or SEON Fraud Prevention (Legacy)?
- On the Shopify App Store: Fraud Judge Fraud Prevention 4.5 from 14 reviews and SEON Fraud Prevention (Legacy) 4.8 from 50 reviews.
- What features does each app list that the other doesn’t?
- Fraud Judge Fraud Prevention lists 1 the others don’t mention, such as Identity verification. SEON Fraud Prevention (Legacy) lists 10 the others don’t mention, such as AI-powered detection, Auto-cancel, Automated workflows, Bot detection. 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 22, 2026 for Fraud Judge Fraud Prevention, Nov 8, 2026 for SEON Fraud Prevention (Legacy); 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 22, 2026 for Fraud Judge Fraud Prevention, Nov 8, 2026 for SEON Fraud Prevention (Legacy). 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.