Blockscout vs Otterscan
A detailed head-to-head comparison of Blockscout and Otterscan — pricing, features, and which one wins for different use cases.
Blockscout
Open-source block explorer self-hostable on any EVM chain
Blockscout is an open-source EVM block explorer that has become the go-to solution for Layer 2 networks, app chains, and testnets that want a full-featured explorer without paying Etherscan's licensin…
Full review →Otterscan
Fast, self-hosted open-source explorer that runs on your own Erigon node
Otterscan is a free, open-source, self-hosted block explorer designed to run directly on top of your own Erigon (or compatible) Ethereum node, giving you an Etherscan-like experience with complete pri…
Full review →Feature Comparison
| Feature | Blockscout | Otterscan |
|---|---|---|
| Transaction History | ✓ | ✓ |
| Contract Verification | ✓ | ✗ |
| Token Tracking | ✓ | ✓ |
| Nft Tracking | ✓ | ✗ |
| Api Access | ✓ | ✗ |
| Multi Chain Support | ✓ | ✗ |
| Gas Tracker | ✓ | ✗ |
| Source Code Viewer | ✓ | ✓ |
| Address Labels | ✗ | ✓ |
| Private Notes | ✗ | ✗ |
Blockscout Pricing
Blockscout
Free (Self-hosted)
Free
- ✓Full source code
- ✓Self-hostable
- ✓All EVM chains
- ✓Customizable UI
- ✓REST + GraphQL APIs
Blockscout
Cloud Hosted
Custom
- ✓Managed hosting
- ✓Auto-scaling
- ✓Priority support
- ✓Custom domain
- ✓SLA
Otterscan Pricing
Otterscan
Free
Free
- ✓Fully open-source
- ✓Self-hosted on your Erigon node
- ✓Private, fast local lookups
- ✓Internal-tx tracing
- ✓Approval + history analysis
Verdict: Which Should You Choose?
Blockscout is the better pick if you need fully open source — any chain can deploy and customize it freely. Otterscan wins when runs on your own node — fully private, no third-party queries. Both are production-ready — the right choice depends on your team's workflow and budget.