Head-to-head · Comparison
Features, pricing, health score, community ratings — side-by-side from the live MadeOnSol database.
Updated July 4, 2026
 |  | |
|---|---|---|
| Rating | (3) | (1) |
| Pricing | Freemium | Paid |
| Health | Healthy | Healthy |
| Chain | solana only | solana only |
| Open Source | ||
| Features | 8 features | 5 features |
| Upvotes |
Pros & cons
Analysis
Solscan Solscan is the most widely used blockchain explorer for Solana, providing comprehensive tools for inspecting transactions, accounts, tokens, and on-chain programs. It serves as the default reference p... constant-k constant-k (Kaldera) is a high-performance Solana infrastructure provider delivering low-latency RPC endpoints and Yellowstone gRPC streaming. It runs dedicated nodes across multiple regions, includin...
Solscan is rated higher by the MadeOnSol community with 5.0/5 stars across 3 reviews, compared to 4.0/5 for constant-k (1 review). That said, ratings only tell part of the story — what matters most is which tool fits your specific workflow.
Solscan uses a freemium model — Free explorer with basic analytics. Pro plans start at $39/month for advanced features and API access., while constant-k is paid.
Solscan offers 8 features including Comprehensive transaction inspection with instruction-level detail, Token analytics with supply, holders, transfer history, and metadata, Account explorer showing balances, tokens, staking, and DeFi positions, and 5 more. constant-k counters with 5 features including Low-latency Solana JSON-RPC endpoints across multiple regions (Frankfurt and New York), Yellowstone gRPC streaming for real-time account and transaction data, Low-latency shred-level (deshred) streams that surface activity ahead of confirmed blocks, 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. Solscan currently has a healthy health status with 100.0% uptime over the last 30 days. constant-k is rated healthy with 100.0% uptime. For any tool you trust with your funds, trades, or yield, uptime and speed are non-negotiable.
Solscan's key strengths include most comprehensive and reliable solana block explorer, default transaction verification tool linked by wallets and dapps, labeled accounts make it easy to identify known entities on-chain.
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| ▲ 1 |
| Twitter Followers | 57,426 | 182 |
| Categories | Analytics & Charts | Data & Indexing, RPC Providers |
| Description | Free Solana block explorer — look up any transaction, wallet, token, or program with detailed analytics and holder data | Multi-region Solana RPC and Yellowstone gRPC streaming for latency-sensitive trading |
While Solscan (Analytics & Charts) and constant-k (Data & Indexing) serve different primary purposes, users often consider both when building their Solana toolkit. Solscan has the community's vote, but your mileage may vary depending on your specific needs. We recommend trying both — Solscan is free to start and check constant-k's pricing. Read user reviews on each tool's page for real-world feedback from the Solana community.