Etherscan vs Otterscan
A detailed head-to-head comparison of Etherscan and Otterscan — pricing, features, and which one wins for different use cases.
Etherscan
The definitive Ethereum block explorer trusted by 10M+ users
Etherscan is the most widely used Ethereum block explorer and data aggregator, serving over 10 million monthly users and processing hundreds of millions of API calls per day. For any Ethereum develope…
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 | Etherscan | Otterscan |
|---|---|---|
| Transaction History | ✓ | ✓ |
| Contract Verification | ✓ | ✗ |
| Token Tracking | ✓ | ✓ |
| Nft Tracking | ✓ | ✗ |
| Api Access | ✓ | ✗ |
| Multi Chain Support | ✗ | ✗ |
| Gas Tracker | ✓ | ✗ |
| Source Code Viewer | ✓ | ✓ |
| Address Labels | ✓ | ✓ |
| Private Notes | Pro plans | ✗ |
Etherscan Pricing
Etherscan
Free
Free
- ✓Block explorer access
- ✓API (5 calls/sec)
- ✓Contract verification
- ✓Token tracking
- ✓Gas tracker
Etherscan
Pro Starter
$19/mo
$190/yr billed annually
- ✓Higher API limits (10 calls/sec)
- ✓Address watchlist alerts
- ✓Private notes
- ✓Priority support
Etherscan
Pro Standard
$99/mo
$990/yr billed annually
- ✓30 calls/sec
- ✓Advanced monitoring
- ✓CSV exports
- ✓5 user seats
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?
Etherscan is the better pick if you need the de facto standard — every ethereum tool links to etherscan for verification. 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.