Basescan vs Otterscan
A detailed head-to-head comparison of Basescan and Otterscan — pricing, features, and which one wins for different use cases.
Basescan
The official Etherscan-family explorer for Coinbase's Base L2
Basescan is the Etherscan-built block explorer for Base, Coinbase's fast-growing Ethereum layer-2. It provides the full Etherscan toolset scoped to Base: transaction and address lookup, Solidity contr…
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 | Basescan | 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 | ✗ |
Basescan Pricing
Basescan
Free
Free
- ✓Full explorer access
- ✓Unified V2 API (5 calls/sec)
- ✓Contract verification
- ✓Token + gas tracking
Basescan
Pro Starter
$19/mo
$190/yr billed annually
- ✓10 calls/sec
- ✓Address watchlist alerts
- ✓Private notes
- ✓Priority support
Basescan
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?
Basescan is the better pick if you need reference explorer for the high-activity base l2. 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.