獨家架構與決策對照表
深度解構 Snyk 與 DefectDojo 在資料架構、運維開銷與授權風險上的核心指標差異。
While Snyk is a market-leading developer security platform, its seat-based pricing model can quickly become a massive cost center as your engineering department scales. For organizations looking to optimize their security spend, transitioning to an open-source vulnerability management platform like DefectDojo can offer a highly customizable, zero-license-fee alternative.
This cost analysis compares Snyk’s current 2026 pricing model against the Total Cost of Ownership (TCO) of deploying and maintaining DefectDojo.
Snyk Official Pricing Plans (2026)
Snyk’s pricing model is built entirely around “contributing developers”—defined as any developer who has committed code to monitored repositories within the last 90 days.
| Plan | Monthly Price | Annual Price (Billed Monthly) | Billing Unit | Key Highlights |
|---|---|---|---|---|
| Free | $0 | $0 | Per user | Limited monthly tests; basic scanning for Snyk Code, Open Source, Container, and IaC. |
| Team | $57 | $52 | Per contributing developer / month | Unlimited tests, continuous monitoring, Git repository & CI/CD pipeline integrations, customizable severity levels. |
| Enterprise | Custom Quote | Custom Quote | Custom quote | Snyk AppRisk (Application Security Posture Management), enterprise-grade policy engine, API access, custom integrations, dedicated success manager. |
Source: Snyk Pricing Page (Verified June 26, 2026)
The Hidden Costs of Snyk
While Snyk’s upfront developer cost seems straightforward, several hidden pricing structures can cause budgets to spiral:
- The “Contributing Developer” Trap: Snyk bills based on the number of developers committing code, not just those logging into Snyk. If you have 100 developers but only 3 security engineers using the Snyk dashboard, you must still purchase 100 licenses.
- Feature Gatekeeping (The AppRisk Tax): Advanced application security posture management (ASPM) features—such as Snyk AppRisk, which deduplicates and prioritizes vulnerabilities across different scanner types—are restricted exclusively to the Enterprise tier.
- API Access & Custom Integrations: The Team tier restricts robust API access. If your engineering team needs to pull Snyk data into custom internal dashboards or automate workflows, you are forced to upgrade to a high-cost Enterprise contract.
- Year-Over-Year Overages: If your engineering organization grows mid-contract, Snyk audits repository committers and applies retroactively billed overage fees for new contributing developers.
Total Cost of Ownership (TCO) Analysis: DefectDojo
DefectDojo is an open-source (BSD-3-Clause) DevSecOps vulnerability management tool written in Python. It does not charge license fees, but it acts primarily as a vulnerability correlation engine rather than a standalone scanner. It aggregates reports from over 150 open-source and commercial scanners.
To calculate the true TCO of DefectDojo, you must factor in hosting infrastructure and internal engineering maintenance hours.
1. Hosting & Server Resource Estimation
DefectDojo requires a database (PostgreSQL), caching (Redis), task queues (Celery), and the web application itself.
- Small Team (Up to 15 Devs): Single VM (e.g., AWS EC2 t3.medium, 2 vCPU, 4GB RAM). Cost: ~$30/month.
- Medium Team (15–100 Devs): Managed database + containerized deployment (e.g., AWS RDS PostgreSQL + ECS/Fargate, 4 vCPU, 16GB RAM). Cost: ~$250/month.
- Large Team (100+ Devs): High-availability multi-AZ deployment with dedicated Redis and RDS (8 vCPU, 32GB RAM). Cost: ~$800/month.
2. Maintenance & Engineering Support Labor
DefectDojo requires a DevSecOps or Systems Engineer to handle version upgrades, database backups, parser updates, and infrastructure maintenance.
- Small Team: ~3 hours/month of DevOps labor. At an estimated internal rate of $80/hour, this equals $240/month.
- Medium Team: ~10 hours/month (configuring CI/CD pipelines to push scan results to DefectDojo). Labor cost: $800/month.
- Large Team: ~30 hours/month (managing custom API integrations, high-availability upgrades, and user access controls). Labor cost: $2,400/month.
Comparative TCO Table (SaaS Fees vs. Self-Hosted Infrastructure)
| Cost Category | Snyk (Team Tier SaaS) | DefectDojo (Self-Hosted) |
|---|---|---|
| Licensing/Subscription Fees | $52 – $57 per developer/month | $0 (Open Source) |
| Hosting Infrastructure | Included | $30 – $800 / month |
| Setup & Implementation | Low (Out-of-the-box integrations) | Moderate to High (Requires pipeline setup) |
| Ongoing Maintenance Labor | $0 | $240 – $2,400 / month |
| Vulnerability Scanning Engines | Included (Snyk Code/Container) | Requires integration with free/paid scanners |
Cost Scenarios: Snyk vs. DefectDojo
The financial viability of each tool changes drastically depending on your team’s size.
Scenario A: 5-Developer Team
- Snyk Team (Annual Contract): 5 devs × $52 × 12 months = $3,120/year
- DefectDojo Self-Hosted: $360 hosting + $2,880 maintenance labor = $3,240/year
- Financial Verdict: Snyk wins. At this scale, the zero-maintenance overhead of a SaaS platform outweighs the minor savings of self-hosting.
Scenario B: 20-Developer Team
- Snyk Team (Annual Contract): 20 devs × $52 × 12 months = $12,480/year
- DefectDojo Self-Hosted: $3,000 hosting + $9,600 maintenance labor = $12,600/year
- Financial Verdict: Tie. If your team has existing DevOps resources to manage DefectDojo, you can break even while retaining total control over your data.
Scenario C: 100-Developer Team
- Snyk Team (Annual Contract): 100 devs × $52 × 12 months = $62,400/year (Often higher if forced into an Enterprise tier for custom policy controls).
- DefectDojo Self-Hosted: $9,600 hosting + $28,800 maintenance labor = $38,400/year
- Financial Verdict: DefectDojo wins. You save over $24,000 annually. The financial benefit grows exponentially as your engineering department expands beyond 100 developers.
When Does Paying for Snyk Actually Save Money?
While DefectDojo can drastically reduce licensing costs at scale, Snyk remains the more cost-effective choice under the following conditions:
- No Dedicated DevSecOps Staff: If your organization lacks engineers to configure, patch, and manage a self-hosted vulnerability hub, the labor costs of maintaining DefectDojo will quickly surpass Snyk’s subscription price.
- Developer-First Remediation is Paramount: Snyk acts directly inside the developer’s IDE and pull request workflows, offering one-click automated fixes. DefectDojo is primarily a dashboard for security teams; it does not natively provide auto-remediation PRs to developers.
- Immediate Compliance Audits: If your organization needs to pass SOC 2 or ISO 27001 audits immediately, Snyk’s turn-key reporting saves hundreds of compliance engineering hours.
Final Purchasing Recommendation
- Choose Snyk if: You have a small-to-medium engineering team, lack dedicated security operations staff, and want a “set-it-and-forget-it” tool that integrates directly into your developers’ day-to-day coding environment.
- Choose DefectDojo if: You have more than 50 developers, operate a dedicated security/DevSecOps team, and are already utilizing free scanning tools (like Trivy, Semgrep OSS, or OWASP Dependency-Check). DefectDojo will serve as a highly cost-effective, centralized “single pane of glass” to orchestrate your entire security posture without the ballooning per-developer fees of Snyk.
Cost and pricing analysis verified as of 2026-06-26. Self-hosting costs are estimates based on standard cloud providers.