Last updated: April 3, 2026
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|---|---|---|
| Rating | (0) | (0) |
| Pricing | Freemium | Paid |
| Health | Healthy | Healthy |
| Chain | solana only | multi chain |
| Open Source | ||
| Features | 7 features | 5 features |
| Upvotes | ▲ 0 | ▲ 1 |
| Twitter Followers | 26,860 | 20,770 |
| Categories | Analytics & Charts | Security & Audit |
| Description | Solana blockchain explorer with decoded transaction data | Premier Solana smart contract security auditor trusted by top protocols |
SolanaFM SolanaFM is a blockchain explorer and analytics platform for Solana that differentiates itself through deep transaction decoding and human-readable transaction interpretation. While Solscan is the mos... 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...
Both SolanaFM and OtterSec hold similar community ratings, suggesting users find comparable value in each. Your choice should come down to specific features, pricing, and ecosystem fit rather than overall score.
SolanaFM uses a freemium model — Free explorer access. API plans for developers with higher rate limits and premium features., while OtterSec is paid.
SolanaFM offers 7 features including Deep transaction decoding with instruction-level detail and context, Human-readable interpretation of DeFi, NFT, and program interactions, Comprehensive account analytics with token and DeFi position tracking, and 4 more. OtterSec counters with 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. 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. SolanaFM currently has a healthy health status with 100.0% uptime over the last 30 days. OtterSec is rated healthy with 100.0% uptime. For tools you rely on daily — especially trading bots or wallets — uptime and speed are non-negotiable.
SolanaFM's key strengths include best transaction decoding among solana explorers for understanding complex tx, human-readable transaction interpretation saves developer debugging time, indexing api provides structured data beyond raw rpc capabilities. OtterSec stands out for 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. On the flip side, SolanaFM's weaknesses include smaller user base and brand recognition compared to solscan, while OtterSec's main drawback is high demand means long wait times for audit slots.
While SolanaFM (Analytics & Charts) and OtterSec (Security & Audit) serve different primary purposes, users often consider both when building their Solana toolkit. We recommend trying both — SolanaFM is free to start and check OtterSec's pricing. Read user reviews on each tool's page for real-world feedback from the Solana community.