Terrascan vs Aqua Security: Which is Better in 2026?
Choosing between Terrascan and Aqua Security comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Aqua Security is our overall pick for security workflows. Pick Terrascan if you need a fully free option.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Terrascan
Detect compliance and security violations across Infrastructure as Code (IaC) to mitigate risk.
Best for you if:
- • You need something completely free
- • Scans Infrastructure as Code (IaC) for security and compliance violations.
- • Includes 500+ out-of-the-box policies and supports custom policies via OPA/Rego.
Aqua Security
Cloud native security for containers and Kubernetes
Best for you if:
- • Aqua Security is a cloud-native security platform protecting containerized applications
- • It secures the full container lifecycle from build to runtime with vulnerability scanning
| At a Glance |  Terrascan |  Aqua Security |
|---|---|---|
Starts at | Free | $10188/yearTeam |
Best For | Security | Security |
Rating | - | - |
Choose Terrascan or Aqua Security?
Choose Terrascan if
Detect compliance and security violations across Infrastructure as Code (IaC) to mitigate risk.
- Infrastructure as Code security scanner
- Policy as code approach
- Multi-IaC support (Terraform, K8s, etc.)
- You want a fully free tool (Aqua Security requires payment)
Choose Aqua Security if
Cloud native security for containers and Kubernetes
- Container security leader
- Kubernetes native
- Runtime protection
| Feature | Terrascan | Aqua Security |
|---|---|---|
| Pricing Model | Free | Paid |
| User Rating | No ratings yet | ★4.2/5 57 reviews |
| Categories | SecurityDevOps | SecurityDevOps |
In-Depth Analysis
Terrascan
Detect compliance and security violations across Infrastructure as Code (IaC) to mitigate risk.
Strengths
- +Infrastructure as Code security scanner
- +Policy as code approach
- +Multi-IaC support (Terraform, K8s, etc.)
- +Open-source and free
- +CI/CD integration ready
Weaknesses
- -Configuration required
- -False positives possible
- -Policy writing needed
- -Learning curve for rules
- -May slow CI pipelines
Key features
Aqua Security
Cloud native security for containers and Kubernetes
Strengths
- +Container security leader
- +Kubernetes native
- +Runtime protection
- +Compliance features
- +Good scanning
Weaknesses
- -Expensive
- -Complex setup
- -Learning curve
- -Enterprise focus
- -Resource overhead
Key features
Pricing: Terrascan vs Aqua Security
| Plan | Terrascan | Aqua Security |
|---|---|---|
| Tier 1 | Free Open Source | Free Developer |
| Tier 2 | N/A | $10188 year Team |
| Tier 3 | N/A | $25188 year Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Terrascan pricing and Aqua Security pricing.
Who Should Use What?
On a budget?
Terrascan is free. Aqua Security is paid.
Go with: Terrascan
Want the highest-rated option?
Neither has user reviews yet.
Go with: Terrascan
Value user reviews?
Neither has user reviews yet.
Go with: Aqua Security
3 Questions to Help You Decide
What's your budget?
Terrascan is free. Aqua Security is paid. Go with Terrascan if free matters most.
What's your use case?
Both are security tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Aqua Security
- Our pick for this comparison
Terrascan
- Completely free
The Bottom Line
Aqua Security is our pick. That said, Terrascan is free, hard to beat on price.
Frequently Asked Questions
Is Terrascan or Aqua Security better?
Aqua Security is rated in our evaluation. Terrascan is free and Aqua Security is paid.
What are Terrascan and Aqua Security used for?
Terrascan: Detect compliance and security violations across Infrastructure as Code (IaC) to mitigate risk.. Aqua Security: Cloud native security for containers and Kubernetes.
What does Terrascan cost vs Aqua Security?
Terrascan is completely free. Aqua Security is a paid tool. Visit their websites for detailed pricing.