Head-to-head · Web Application Security Scanners
ZeroThreat vs Astra Security
ZeroThreat leads on 0 checks, Astra Security on 1, and 6 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreZeroThreat · 9.4/10
- Lowest starting priceAstra Security · $69/mo
- Free planboth
- Free trialonly Astra Security
ZeroThreat scores higher on our rubric for web application security scanners: 9.4 against 8.8 out of 10; our editors rank them #1 and #7.
Astra Security is cheaper to start at $69/user/mo against $100/user/mo. On deployment, ZeroThreat gives you Hybrid where Astra Security offers Cloud.
ZeroThreat is the better fit for budget-conscious teams needing deep coverage. Astra Security is the better fit for small teams wanting affordable cloud scanning.
- ZeroThreat fits best
Budget-conscious teams needing deep coverage
- Astra Security fits best
Small teams wanting affordable cloud scanning
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Side by side
| Feature | ZeroThreat 9.4/10 Visit ↗ | Astra Security 8.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.4 | 8.8 |
| Ranking | #1 in Web Application Security Scanners | #7 in Web Application Security Scanners |
| Best for | Budget-conscious teams needing deep coverage | Small teams wanting affordable cloud scanning |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | $100/mo | $69/mo (best) |
| Free plan | ✓ | ✓ |
| Free trial | — | 7 days |
| Deployment | Cloud, Browser extension, Self-hosted | Cloud |
| Platforms | Web, Chrome extension | Web |
| Integrations | 11 integrations | 7 integrations |
| Features ZeroThreat 5/5 · Astra Security 5/5 | ||
| Authenticated scans | ✓ | ✓ |
| JavaScript crawling | ✓ | ✓ |
| Scheduled scans | ✓ | ✓ |
| Compliance reports | ✓ | ✓ |
| API scanning | ✓ | ✓ |
| Specs | ||
| Deployment | Hybrid | Cloud |
| Target limit | Not checked yet | 1 targets |
| Our review | ||
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| Our verdict | ZeroThreat is an AI-powered autonomous penetration-testing platform for web applications and APIs. It is designed for teams that need authenticated testing, API coverage, JavaScript application crawling, business-logic analysis, and… Read the review → |
Astra Security is a cloud-based SaaS security platform for engineering, security, DevOps, and compliance teams. Its DAST scanner assesses web applications and APIs, including applications behind login walls and JavaScript-heavy single-page… Read the review → |
Strengths and trade-offs
ZeroThreat — where it wins
- Authenticated scanning supports login sequences and MFA workflows
- Covers REST, GraphQL, SOAP, and gRPC APIs
- Business-logic testing, retesting, and compliance reports are included
Where it doesn't
- The Free plan provides only 1 scan credit per month
- Professional Cloud starts at $100 per first host per month
- Several advanced capabilities are limited to enterprise plans
Astra Security — where it wins
- Authenticated scanning for login-protected applications
- JavaScript, REST, SOAP, and GraphQL API scanning
- CI/CD, compliance, remediation, and rescan capabilities
Where it doesn't
- Scanner Lite is limited to one target
- Scanner Lite includes three monthly vulnerability scans
- No open-source deployment option
- ZeroThreat9.4/10 · Free plan
Deep web and API coverage with flexible free, cloud, pay-per-scan, and on-premises options.
Visit ZeroThreatFull verdict → - Astra Security8.8/10 · Free plan · 7-day trial
Affordable cloud DAST with deep scanning, though the entry tier covers one target.
Visit Astra SecurityFull verdict →
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- Burp Suite DAST vs Astra Security
- Escape vs Astra Security
All web application security scanners comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update





