The Best Web Application Security Scanners in 2026
We researched web application security scanners through their official websites, including pricing pages, plan tables and product documentation. Products are ranked on their core scanning job, value for money and verified features, helping security teams compare tools for protecting websites and web applications.
Our top picks
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Top ranked
ZeroThreat#1 of 299.4/10Deep web and API coverage with flexible free, cloud, pay-per-scan, and on-premises options.
Free plan
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Runner-up
Burp Suite DAST#2 of 299.3/10Broad, enterprise-focused DAST for authenticated web apps, APIs, and CI/CD workflows.
Pricing on request
-
Top-ranked free plan
OWASP ZAP#4 of 299.1/10A capable free scanner with broad automation, API support, and extensibility.
Free plan
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
The full ranking 29 tools, best first
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Best forBudget-conscious teams needing deep coverage
Deep web and API coverage with flexible free, cloud, pay-per-scan, and on-premises options.
- JavaScript crawling
- Scheduled scans
- Compliance reports
9.4/10★★★★★Visit ZeroThreat -
Best forEnterprise AppSec teams needing broad DAST
Broad, enterprise-focused DAST for authenticated web apps, APIs, and CI/CD workflows.
9.3/10★★★★★Visit PortSwigger -
Best forAdvanced teams testing complex applications
Deep testing for complex applications, APIs, workflows, and access controls.
- JavaScript crawling
- Scheduled scans
- Compliance reports
9.2/10★★★★★Visit Escape -
Best forTeams wanting a free, extensible scanner
A capable free scanner with broad automation, API support, and extensibility.
9.1/10★★★★★Visit OWASP ZAP -
Best forLarge enterprises with compliance requirements
A compliance-focused DAST platform for complex web and API environments.
9.0/10★★★★☆Visit OpenText -
Best forGrowing teams wanting AI-assisted testing
A flexible scanner for growing teams that need AI-assisted web and API testing.
8.9/10★★★★☆Try Beagle Security -
Best forSmall teams wanting affordable cloud scanning
Affordable cloud DAST with deep scanning, though the entry tier covers one target.
- JavaScript crawling
- Scheduled scans
- Compliance reports
8.8/10★★★★☆Visit Astra Security -
Best forHybrid AppSec and attack-surface programs
A broad hybrid AppSec scanner for web, API, and attack-surface programs.
8.7/10★★★★☆Visit Holm Security -
Best forFortinet-oriented security teams
A Fortinet-focused DAST platform for authenticated web, API, and CI/CD scanning.
8.6/10★★★★☆Visit FortiDAST -
Best forAutonomous exploit validation for modern apps
A focused cloud scanner for validating web and API vulnerabilities with reproducible evidence.
8.5/10★★★★☆Visit XBOW -
Best forCloud teams scanning modern web applications
A cloud DAST scanner for authenticated, JavaScript-heavy web application testing.
8.4/10★★★★☆Visit Detectify -
Best forTeams wanting guided enterprise scanning
Guided enterprise scanning with broad testing, automation, and hybrid deployment options.
8.3/10★★★★☆Visit Rapid7 -
Best forTeams wanting proof-based web and API testing
A proof-focused scanner for teams testing web applications, APIs, and release pipelines.
8.2/10★★★★☆Visit Invicti -
Best forEnterprises already using Qualys
A broad web and API scanner for enterprises already using Qualys.
8.1/10★★★★☆Visit Qualys -
Best forSmall teams wanting proof-based scanning
Proof-based web and API scanning with authenticated testing, scheduling, and compliance reporting.
- JavaScript crawling
- Scheduled scans
- Compliance reports
8.0/10★★★★☆Visit Pentest-Tools -
Best forTeams needing hybrid web and API workflows
A hybrid scanner for authenticated web, SPA and API workflows, with sales-led pricing.
- JavaScript crawling
- Scheduled scans
- API scanning
7.9/10★★★★☆Visit AppCheck -
Best forTeams wanting affordable DAST with integrations
Affordable DAST with authenticated scans, API testing, automation, and developer remediation guidance.
- Scheduled scans
- Compliance reports
- API scanning
7.8/10★★★★☆Visit Blacklock -
Best forTeams needing managed DAST and retesting
Managed DAST with authenticated scans, API testing, retesting, and compliance reporting.
- Scheduled scans
- Compliance reports
- API scanning
7.7/10★★★★☆Visit BreachLock -
Best forCompliance-focused security teams
A compliance-focused scanner for authenticated web applications, APIs and CI/CD workflows.
- JavaScript crawling
- Scheduled scans
- Compliance reports
7.6/10★★★★☆Visit ImmuniWeb -
Best forLarge enterprises with substantial scanning budgets
Broad authenticated web and API coverage, priced for larger security programs.
7.5/10★★★★☆Visit Tenable -
Best forDevelopers wanting free command-line DAST
Free command-line DAST with authenticated crawling, API scanning, and flexible reports.
- JavaScript crawling
- API scanning
- Authenticated scans
7.4/10★★★★☆Visit Wapiti -
Best forSecurity engineers needing customizable templates
A flexible, free scanner for teams that want control over templates and execution.
- Scheduled scans
- Compliance reports
- API scanning
7.3/10★★★★☆Visit Nuclei -
Best forTeams testing intranet and development servers
A DAST service for authenticated apps, private environments, CI workflows, and scheduled scans.
7.2/10★★★★☆Visit VAddy -
Best forFree desktop proxy-based scanning
A free desktop scanner combining crawling, proxy inspection, and authenticated testing.
- Authenticated scans
7.1/10★★★★☆Visit Vega -
Best forOn-premises teams needing configurable DAST
A configurable on-premises DAST scanner for teams securing deployed web applications.
- Authenticated scans
7.0/10★★★★☆Visit PT BlackBox -
Best forTeams wanting low-cost external exposure checks
A low-cost external exposure scanner with broader security checks beyond web applications.
- Compliance reports
- API scanning
6.9/10★★★☆☆Visit Haxore -
Best forTeams focused on JavaScript-heavy sites
A focused JavaScript scanner with tainting, fuzzing and reporting from £60/month.
- JavaScript crawling
6.8/10★★★☆☆Visit BlueClosure -
Best forTeams specifically needing source-code analysis
A source-code scanner for AppSec teams, not a primary web application DAST tool.
6.2/10★★★☆☆Visit HCL AppScan -
Best forUsers needing rotating proxies for security testing
A focused proxy service, not a vulnerability scanner.
6.0/10★★★☆☆Visit ProxyMesh
No tools match those filters.
Compare at a glance
| # | Tool | Free plan | Paid from | Score |
|---|---|---|---|---|
| 1 | ZeroThreat | Yes | $100/mo | 9.4 |
| 2 | Burp Suite DAST | 9.3 | ||
| 3 | Escape | 9.2 | ||
| 4 | OWASP ZAP | Yes | Free | 9.1 |
| 5 | OpenText Fortify DAST | 9.0 | ||
| 6 | Beagle Security | Yes | $99/mo | 8.9 |
| 7 | Astra Security | Yes | $69/mo | 8.8 |
| 8 | Holm Security Web Application Security | No | 8.7 | |
| 9 | FortiDAST | 8.6 | ||
| 10 | XBOW | 8.5 | ||
| 11 | Detectify Application Scanning | No | €90/mo | 8.4 |
| 12 | Rapid7 InsightAppSec | No | $175/unit/mo | 8.3 |
| 13 | Invicti | No | $500/unit usage-based | 8.2 |
| 14 | Qualys Web Application Scanning | No | 8.1 | |
| 15 | Pentest-Tools Website Scanner | Yes | $95/mo | 8.0 |
| 16 | AppCheck | No | 7.9 | |
| 17 | Blacklock | No | $85/mo | 7.8 |
| 18 | BreachLock DAST | 7.7 | ||
| 19 | ImmuniWeb | Yes | €595/yr | 7.6 |
| 20 | Tenable One Web App Scanning | No | $3,578/yr | 7.5 |
| 21 | Wapiti | Yes | Free | 7.4 |
| 22 | Nuclei | Yes | Free | 7.3 |
| 23 | VAddy | No | 7.2 | |
| 24 | Vega | Yes | Free | 7.1 |
| 25 | PT BlackBox | 7.0 | ||
| 26 | Haxore Web Security Scanner | No | $49/mo | 6.9 |
| 27 | BlueClosure BC Detect | No | £60/mo | 6.8 |
| 28 | HCL AppScan Source | No | 6.2 | |
| 29 | ProxyMesh | No | $10/mo | 6.0 |
Head-to-head All 25 comparisons →
- ZeroThreat vs Burp Suite DAST
- ZeroThreat vs Escape
- ZeroThreat vs OWASP ZAP
- ZeroThreat vs OpenText Fortify DAST
- ZeroThreat vs Beagle Security
- ZeroThreat vs Astra Security
- ZeroThreat vs Holm Security Web Application Security
- Burp Suite DAST vs Escape
- Burp Suite DAST vs OpenText Fortify DAST
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How we rank web application security scanners
Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update