Best Web Application Security Scanners in 2026
Updated
In short: ImmuniWeb is ranked #1 of 29 as of 4 October 2026, ahead of Pentest-Tools.com API Scanner and ZeroThreat. The best-ranked option with a free plan is ZeroThreat. The lowest first paid tier on this page is ImmuniWeb at €49.58/mo.
Web application security scanners help you inspect web apps for security issues, including across APIs. Compared on API scanning, authenticated scans, and JavaScript crawling, the entries also differ in scheduled scans, compliance reports, deployment, free-plan availability, paid-from price, and target limit. Those criteria help you weigh scan coverage against the way you need to run and report testing. The ranking starts with ImmuniWeb, followed by Pentest-Tools.com API Scanner and ZeroThreat; Beagle Security and OWASP ZAP are also near the top. Compare the capabilities and operating constraints against the applications you need to assess.
29 web application security scanners ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Deployment | |
|---|---|---|---|---|---|---|---|---|
| 1 | ImmuniWeb | 7.4 | RecognisedAPIDocumented | €49.58/mo | Yes | — | hybrid | View |
| 2 |  Pentest-Tools.com API Scanner | 7.3 | RecognisedAPIDocumented | $95/mo | Yes | — | cloud | View |
| 3 |  ZeroThreat | 7.3 | RecognisedAPIDocumented | $100/mo | Yes | — | hybrid | View |
| 4 | Beagle Security | 7.2 | RecognisedAPIDocumented | $99/mo | Yes | — | — | View |
| 5 |  OWASP ZAP | 7.2 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 6 |  Wapiti | 7.2 | RecognisedAPIDocumented | Free | Yes | — | on-premise | View |
| 7 | Astra Security | 6.8 | RecognisedAPIDocumented | $58.25/mo | Yes | — | cloud | View |
| 8 | Escape | 6.8 | RecognisedAPIDocumented | — | — | — | hybrid | View |
| 9 |  AppCheck | 6.7 | RecognisedAPIDocumented | — | No | — | hybrid | View |
| 10 | Invicti | 6.7 | RecognisedAPIDocumented | — | No | — | — | View |
| 11 |  Qualys External Attack Surface Management | 6.7 | RecognisedAPIDocumented | — | No | — | — | View |
| 12 |  Rapid7 Surface Command | 6.6 | RecognisedAPIDocumented | — | No | — | — | View |
| 13 |  VAddy | 6.6 | RecognisedAPIDocumented | ¥19,800/mo | No | — | — | View |
| 14 | Nuclei | 5.8 | RecognisedAPIDocumented | Free | Yes | — | on-premise | View |
| 15 | Detectify Surface Monitoring | 5.5 | RecognisedAPIDocumented | — | No | — | — | View |
| 16 |  Vega | 5.4 | RecognisedAPIDocumented | — | Yes | — | on-premise | View |
| 17 | Tenable One Attack Surface Management | 5.3 | RecognisedAPIDocumented | — | No | — | — | View |
| 18 |  BreachLock DAST | 5.1 | RecognisedAPIDocumented | — | — | — | cloud | View |
| 19 | Blacklock | 5.0 | RecognisedAPIDocumented | — | No | — | cloud | View |
| 20 |  Holm Security Cloud Security | 5.0 | RecognisedAPIDocumented | — | No | — | — | View |
| 21 | MaxPatrol SIEM | 5.0 | RecognisedAPIDocumented | — | — | — | on-premise | View |
| 22 | Burp Suite DAST | 4.9 | RecognisedAPIDocumented | — | — | — | — | View |
| 23 | Haxore Web Security Scanner | 4.9 | RecognisedAPIDocumented | — | No | — | cloud | View |
| 24 | OpenText Fortify DAST | 4.9 | RecognisedAPIDocumented | — | — | — | — | View |
| 25 | BlueClosure BC Detect | 4.8 | RecognisedAPIDocumented | — | No | — | — | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which web application security scanner is ranked first on Inferse?
ImmuniWeb is ranked #1 of 29 with a score of 7.4. Pentest-Tools.com API Scanner is second and ZeroThreat third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, ImmuniWeb has the lowest first paid tier we found: €49.58/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.