Best Security Scanner for Startups 2026
Startups don't have AppSec teams. You need a scanner that you can turn on, ship, and forget. This is the comparison I wish I had two years ago — eight scanners, one table, no "leader / challenger" quadrant nonsense. Pick by the column that matters to you.
Comparison table
| Tool | Price | Speed | API coverage | AI testing | CI/CD | Hosting | Free tier |
|---|---|---|---|---|---|---|---|
| AuditCore | $0 free / $29 Starter / $99 Growth / $299 Business — one-time per site, unlimited rescans | Result in ~60s (Free Trial) / 3–10 min (full Growth scan) | REST + GraphQL deep scanner, OpenAPI auto-discovery, mass assignment, BOLA/BFLA replay | Yes — 14-category AI Agent scanner (prompt inject, RAG, agent DoS) + AI-Readiness | GitHub Action (marketplace), Slack /auditcore, REST API + API keys (ac_live_*) | Cloud (audit-core.tech) | Free Trial — 1 page, no card |
| Snyk | Free (200 tests/mo) / Team $25/dev/mo / Enterprise quote | Seconds per repo (SAST/SCA), longer for container scan | API testing in Snyk Open Source via OpenAPI; deep DAST limited | DeepCode AI (suggested fixes); no prompt-injection scanner | Native: GitHub, GitLab, Bitbucket, Jenkins, Azure DevOps, CircleCI | Cloud SaaS + on-prem Enterprise | Free dev tier — generous |
| Detectify | Surface Monitoring from ~$89/mo, Application Scanning from ~$329/mo (annual) | Continuous (Surface Monitoring) / weekly default (App Scanning) | REST API scanner included in App Scanning | No prompt-injection / AI-readiness coverage | Webhooks, REST API; no dedicated GitHub Action | Cloud SaaS only | 14-day trial, no permanent free tier |
| Probely | Lite $79/mo / Pro $199/mo / Enterprise quote (annual) | Single full scan: hours; continuous in higher plans | REST + GraphQL scanner with OpenAPI / Postman import | No | Jenkins, GitHub, GitLab, Azure plugins; Jira / Slack integrations | Cloud SaaS only | 14-day trial |
| Acunetix | Standard ~$4,500/yr / Premium ~$7,000–$30,000/yr (per target tier) | Hours per full scan; can run in parallel | REST, SOAP, GraphQL via AcuSensor and IAST agent | Some ML for dedup/FP reduction; no prompt-injection | Jenkins, Azure DevOps, GitHub via REST API + plugins | Cloud + on-prem | No — sales call required |
| Burp Suite Professional | $475/user/yr (Pro) / $17,380/yr per 5 scans (Enterprise) | Manual workflow — as fast as a pentester drives it | Burp Scanner does REST/GraphQL; full power requires manual workflow | No AI security scanner; new BApps add some assist | Enterprise edition only — CLI scanner + Jenkins plugin | Self-hosted client / Enterprise on-prem or cloud | Community Edition (no scanner) |
| OWASP ZAP | Free / OSS (Apache-2.0) | Spider + Active Scan: 10 min – 2 hours per target | REST API; GraphQL via add-on; OpenAPI import via add-on | No | Official GitHub Action (zaproxy/action-baseline + action-full-scan) | Self-hosted (Docker, daemon, or desktop) | Fully free |
| Nuclei (ProjectDiscovery) | Free CLI / OSS; ProjectDiscovery Cloud quoted | Seconds–minutes; 8,000+ templates run in parallel | Templates for known API CVEs; not a behavioral API scanner | Community templates for some LLM CVEs; no built-in red team | GitHub Action (projectdiscovery/nuclei-action) | Self-hosted CLI; Cloud SaaS (paid) | Fully free CLI |
Pick by use case
Pre-seed to Series A, <20 people, no security hire
AuditCore ($0 → $99 one-time) or Snyk Free(200 tests/mo). AuditCore covers DAST + AI + mobile; Snyk covers SAST + SCA. They're complementary, not overlapping. Run both — both are free at this scale. Skip everything else until you have revenue.
Series A → B, 20–50 people, technical founder still doing security
AuditCore Business ($299 one-time per site) for app-layer DAST + AI + mobile + WordPress + SEO in one report. Snyk Team($25/dev/mo) for the SAST/SCA layer in CI. Add Nuclei in CI for free for the CVE / known-vuln spray.
Series B+, hiring first AppSec engineer
Same as above plus Burp Suite Pro($475/user/yr) for the AppSec engineer's manual workflow. Burp + AuditCore is the pragmatic combo: Burp for "is this specific endpoint broken?" deep dives, AuditCore for "is anything broken across all our properties?" coverage.
Enterprise procurement is asking for "the big name"
Acunetix or Detectify App Scanning. Both are mature, both are sold via sales, both cost $5–30k/year. They check a procurement box. If you actually want to find bugs, run AuditCore or ZAP alongside — coverage overlap is >80% and you'll find different bugs from each.
You have engineering time, no budget
OWASP ZAP + Nuclei, both via official GitHub Action. Free forever. Plan on 2–3 days of integration work and ongoing maintenance to keep false-positives under control. This is what AuditCore wraps under the hood, plus the AI layer + reports + management UI — so the choice is really "your engineering time at $X/hour vs $99 one-time."
The "cheapest is free" trap
OWASP ZAP and Nuclei are excellent, free, OSS, and proven. They're also "build it yourself" scanners — output is JSON, no dashboard, no per-finding triage, no PDF for your customer, no SOC-2 evidence. If you're happy parsing JSON and writing your own reporting layer, this is the right call. If you'd rather ship product, paid scanners pay back in saved engineering time within a week.
What "AI testing" actually means here
Most scanners with "AI" in the marketing copy mean "ML-assisted false-positive reduction" — not "tests your chatbot for jailbreaks." If you ship an AI feature (chatbot, RAG, agent), the only scanner in this list that explicitly tests it is AuditCore (14-category AI Agent scanner). For dedicated LLM red-teaming see Best AI Security Tools 2026.
Pricing reality check (May 2026)
- Self-serve, no sales call: AuditCore, Snyk, OWASP ZAP, Nuclei, Burp Suite Pro
- Card-on-file SaaS: Detectify, Probely
- Sales-only quote: Acunetix, Detectify Enterprise, Burp Enterprise
Vendor pricing changes. The table reflects publicly available pricing as of May 2026. Verify on each vendor's site before procurement — if something is materially out of date here, email [email protected] and we'll fix it.
One-line recommendations
- Solo founder / pre-seed: AuditCore Free + Snyk Free
- Seed → A: AuditCore Growth + Snyk Team
- A → B: + Nuclei in CI, + Burp Pro for the engineer
- Enterprise procurement: AuditCore Business + Acunetix or Detectify (procurement-grade vendor)