Head-to-head · Security & Audit
Features, pricing, health score, community ratings — side-by-side from the live MadeOnSol database.
Updated August 30, 2026
 |  | |
|---|---|---|
| Rating | (2) | (1) |
| Pricing | Free | Paid |
| Health | Healthy | Healthy |
| Chain | Solana | Solana |
| Open Source | ||
| Features | 8 features | 6 features |
| Upvotes |
Pros & cons
Analysis
De.Fi De.Fi is a comprehensive Web3 security and portfolio management super-app that provides smart contract auditing, automated token scanning, wallet security through approval revocation, portfolio tracki... Quantstamp Quantstamp is a leading blockchain security firm providing smart contract audits, security assessments, and formal verification for Solana programs and dApps. Having audited over 750 projects securing...
De.Fi is rated higher by the MadeOnSol community with 4.5/5 stars across 2 reviews, compared to 4.0/5 for Quantstamp (1 review). That said, ratings only tell part of the story — what matters most is which tool fits your specific workflow.
De.Fi uses a free model, while Quantstamp is paid. De.Fi has the edge for users who want a no-cost solution, though Quantstamp's paid features may justify the investment for power users.
De.Fi offers 8 features including Smart Contract Scanner with AI-powered vulnerability detection and scoring, De.Fi Shield — scan and revoke risky token approvals across all connected wallets, REKT Database — comprehensive archive of DeFi hacks, exploits, and scams, and 5 more. Quantstamp counters with 6 features including Solana smart contract security audits, Rust and Anchor program analysis, Formal verification services, and 3 more. The right choice depends on which specific features matter for your use case — check the individual review pages for full breakdowns.
We monitor both tools around the clock for uptime, SSL validity, and response times. De.Fi currently has a healthy health status with 100.0% uptime over the last 30 days. Quantstamp is rated healthy with 100.0% uptime. For any tool you trust with your funds, trades, or yield, uptime and speed are non-negotiable.
De.Fi's key strengths include comprehensive all-in-one security toolkit — scanner, shield, and rekt database, completely free with no paywall on core security features, 42+ chain support gives a unified security and portfolio view. Quantstamp stands out for industry-leading security reputation, deep expertise in solana and rust programs, extensive track record with major protocols.
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| Twitter Followers | 285,951 | 79,040 |
| Categories | Security & Audit | Security & Audit |
| Description | Web3 security super-app with smart contract scanning, portfolio tracking, and approval revocation | Blockchain security audits for Solana programs and dApps |
Both De.Fi and Quantstamp operate in the security & audit space, so this is a direct head-to-head. De.Fi has the community's vote, but your mileage may vary depending on your specific needs. We recommend trying both — De.Fi is free to start and check Quantstamp's pricing. Read user reviews on each tool's page for real-world feedback from the Solana community.