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 | (1) | (1) |
| Pricing | Paid | Freemium |
| Health | Healthy | Healthy |
| Chain | multi chain | multi chain |
| 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... ProtonVPN ProtonVPN is a Swiss-based VPN built by the team behind ProtonMail. Offers a genuine free tier (no data caps, no ads) plus paid plans that include the full Proton privacy suite (VPN + Mail + Pass + Dr...
ProtonVPN is rated higher by the MadeOnSol community with 5.0/5 stars across 1 review, compared to 4.0/5 for OtterSec (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 ProtonVPN is freemium.
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. ProtonVPN counters with 6 features including Free tier with no data caps, Swiss jurisdiction — strong privacy laws, Includes ProtonMail + ProtonPass + ProtonDrive, 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. ProtonVPN 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. ProtonVPN stands out for free tier actually works — no data limits, swiss privacy jurisdiction is the gold standard, full privacy suite (vpn + email + passwords). On the flip side, OtterSec's weaknesses include high demand means long wait times for audit slots, while ProtonVPN's main drawback is free tier limited to 5 countries and 1 device.
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| Twitter Followers | 21,303 | 216,969 |
| Categories | Security & Audit | Security & Audit |
| Description | Premier Solana smart contract security auditor trusted by top protocols | Swiss-based VPN from the Proton privacy suite — free tier available, includes ProtonMail and ProtonPass |
Both OtterSec and ProtonVPN operate in the security & audit space, so this is a direct head-to-head. ProtonVPN has the community's vote, but your mileage may vary depending on your specific needs. We recommend trying both — check OtterSec's pricing and ProtonVPN is free to start. Read user reviews on each tool's page for real-world feedback from the Solana community.