Head-to-head · Security & Audit
Features, pricing, health score, community ratings — side-by-side from the live MadeOnSol database.
Updated July 18, 2026
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|---|---|---|
| Rating | (2) | (1) |
| Pricing | Paid | Paid |
| Health | Healthy | Healthy |
| Chain | multi chain | solana only |
| Open Source | ||
| Features | 5 features | 5 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... ZealynX ZealynX is a blockchain security firm specializing in Solana and Rust smart contract audits, penetration testing, and AI red team audits. It focuses on the unique security challenges of the Solana run...
OtterSec is rated higher by the MadeOnSol community with 4.5/5 stars across 2 reviews, compared to 4.0/5 for ZealynX (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 ZealynX 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. ZealynX counters with 5 features including Solana and Rust smart contract audits, Penetration testing for on-chain protocols, AI red team audits for added coverage, and 2 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. ZealynX 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. ZealynX stands out for specialized in solana's distinct rust runtime security, multiple methods including pen testing and ai red teaming, immunefi bounty integration extends continuous coverage.
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| Twitter Followers | 21,303 | 1,441 |
| Categories | Security & Audit | Security & Audit |
| Description | Premier Solana smart contract security auditor trusted by top protocols | Solana-focused security firm specializing in Rust smart contract audits |
Both OtterSec and ZealynX 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 ZealynX's pricing. Read user reviews on each tool's page for real-world feedback from the Solana community.