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 | Paid | Paid |
| Health | Healthy | Healthy |
| Chain | Solana | Solana |
| Open Source | ||
| Features | 5 features | 6 features |
| Upvotes |
Pros & cons
Analysis
OtterSec OtterSec is one of the most respected security auditing firms in the Solana ecosystem, having audited critical infrastructure including Wormhole, Solana Program Library, Marinade, and dozens of top De... 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...
OtterSec 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.
OtterSec uses a paid model, while Quantstamp is paid.
OtterSec offers 5 features including Comprehensive Solana smart contract and program audits, Deep expertise in Rust, Anchor, and native Solana programs, Post-audit monitoring and incident response support, and 2 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. OtterSec 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.
OtterSec's key strengths include gold-standard reputation — audit by ottersec signals serious security commitment, deepest solana-specific expertise of any audit firm, track record includes the most critical solana infrastructure. Quantstamp stands out for industry-leading security reputation, deep expertise in solana and rust programs, extensive track record with major protocols. On the flip side, OtterSec's weaknesses include high demand means long wait times for audit slots, while Quantstamp's main drawback is premium pricing for audit services.
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| Twitter Followers | 21,339 | 79,040 |
| Categories | Security & Audit | Security & Audit |
| Description | Premier Solana smart contract security auditor trusted by top protocols | Blockchain security audits for Solana programs and dApps |
Both OtterSec and Quantstamp operate in the security & audit space, so this is a direct head-to-head. OtterSec has the community's vote, but your mileage may vary depending on your specific needs. We recommend trying both — check OtterSec's pricing and check Quantstamp's pricing. Read user reviews on each tool's page for real-world feedback from the Solana community.