FA
Foil AI Code Security
Foil is an AI-powered security scanner designed for developers, offering 100% local code analysis to identify vulnerabilities.
Our verdict
Who it's for
On-device AI security scanner that finds vulnerabilities in your code before they ship.
Who should look elsewhere
Currently limited to Apple Silicon devices.
Pros
- +Ensures 100% code privacy as scans run locally on-device.
- +Custom-trained AI model (SecureReview-7B) provides specialized vulnerability analysis.
- +Generates actual code fixes with explanations, not just alerts.
- +Native Apple Silicon performance for fast and efficient scanning.
- +Easy installation and integration with existing developer workflows.
Cons
- −Currently limited to Apple Silicon devices.
- −Advanced features like Deep Dive, Deep Scan, and custom rules are behind a paywall.
- −As a new product, it may have a smaller community and fewer integrations compared to established tools.
Key features
- ✓On-device AI security scanning
- ✓Custom-trained SecureReview-7B LLM
- ✓Vulnerability explanation and fix rewriting (Deep Dive & Deep Scan)
- ✓Native macOS application
- ✓Command-line interface (CLI) for scanning
- ✓Support for 7 programming languages
- ✓Offline functionality
- ✓Export findings (JSON/MD) (Developer Plan)
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Community | — | month | Agentic scan (162 rules); 7 languages; Up to 3 projects |
| Developer | $19 | month | Everything in Community; Unlimited projects; Deep Dive & Deep Scan (LLM analysis) |