CartShark Security vs ShieldScan ‑ Security
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 CartShark Security, Oct 31, 2026 for ShieldScan.
The short answer
- Only ShieldScan lists a free plan. Paid plans start at $14/month for CartShark Security and $19/month for ShieldScan.
Head to head
CartShark Lite
- · Identifies webskimming in real-time
- · Live traffic monitoring
- · Visibility on website third parties
CartShark Plus
- · Fully managed service
- · Includes everything in Lite
- · Live traffic monitoring
- · PCI DSS v4 (6.4.3, 11.6.1) compliance
- · Third Party monitoring
Free plan
Pro plan
Business plan
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCartShark protects your Shopify store from hidden threats like hacked plugins and Magecart-style checkout skimming. It scans your site for suspicious code added by apps, third-parties or theme changes, then alerts you instantly if there’s a risk. Set up takes minutes, with no developer or custom code needed. CartShark runs in the background so you can focus on growing your shop, knowing your checkout stays secure.
ShieldScan is a security auditing app that scans your Shopify store across six attack surfaces and delivers an instant letter-grade report with clear, actionable fixes. It detects injected malware and credit-card skimmers in your theme code, flags apps with excessive OAuth permissions, inspects every third-party script running on your storefront, and verifies your HTTP security headers.
- Automatic scanning for harmful scripts and suspicious code edits, 24/7
- Real-time security alerts if CartShark finds any threats on your checkout
- Install in minutes, no technical skills or developer time required
- Detect malware & card skimmers hidden inside your theme code instantly.
- Full security score out of 100 with a letter grade and actionable fixes.
- Audit every app permission and script injected into your storefront.
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 |  CartShark Security |  ShieldScan |
|---|---|---|
| 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 | CartShark Security | ShieldScan |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 1 | 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 | CartShark Security | ShieldScan |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $14/month(ahead) | $19/month |
| Longest free trial | 7 days | Not listed |
| Plans listed | 2 | 3 |
Listing
| Measure | CartShark Security | ShieldScan |
|---|---|---|
| Shopify category rank | #59 | #46(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Sep 8, 2025 | May 18, 2026 |
| Languages | 1 | 1 |
| Developer | CartShark / RapidSpike | Alain Picard IT |
FAQ
CartShark Security and ShieldScan: common questions
- Is CartShark Security or ShieldScan cheaper?
- Only ShieldScan lists a free plan. Paid plans start at $14/month for CartShark Security and $19/month for ShieldScan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- 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 CartShark Security, Oct 31, 2026 for ShieldScan; 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 CartShark Security, Oct 31, 2026 for ShieldScan. 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.