Optimistic Etherscan vs Subscan
A detailed head-to-head comparison of Optimistic Etherscan and Subscan — pricing, features, and which one wins for different use cases.
Optimistic Etherscan
The Etherscan-family explorer for the OP Mainnet layer-2
Optimistic Etherscan is the official Etherscan-built block explorer for OP Mainnet, the flagship chain of the Optimism / OP Stack ecosystem. It brings Etherscan's full feature set to Optimism: transac…
Full review →Subscan
Multi-network explorer for Polkadot, Kusama, and Substrate chains
Subscan is the leading block explorer for the Polkadot ecosystem, covering the Polkadot and Kusama relay chains along with the many parachains and standalone Substrate-based networks built on the same…
Full review →Feature Comparison
| Feature | Optimistic Etherscan | Subscan |
|---|---|---|
| Transaction History | ✓ | ✓ |
| Contract Verification | ✓ | ✗ |
| Token Tracking | ✓ | ✓ |
| Nft Tracking | ✓ | ✗ |
| Api Access | ✓ | ✓ |
| Multi Chain Support | ✗ | ✓ |
| Gas Tracker | ✓ | ✗ |
| Source Code Viewer | ✓ | ✗ |
| Address Labels | ✓ | ✓ |
| Private Notes | Pro plans | ✗ |
Optimistic Etherscan Pricing
Optimistic Etherscan
Free
Free
- ✓Full explorer access
- ✓Unified V2 API (5 calls/sec)
- ✓Contract verification
- ✓Token + gas tracking
Optimistic Etherscan
Pro Starter
$19/mo
$190/yr billed annually
- ✓10 calls/sec
- ✓Address watchlist alerts
- ✓Private notes
- ✓Priority support
Optimistic Etherscan
Pro Standard
$99/mo
$990/yr billed annually
- ✓30 calls/sec
- ✓Advanced monitoring
- ✓CSV exports
- ✓5 user seats
Subscan Pricing
Subscan
Free
Free
- ✓Multi-network Substrate explorer
- ✓Staking + OpenGov governance data
- ✓XCM cross-chain messaging
- ✓Extrinsic/event decoding
- ✓Developer API (paid plans)
Verdict: Which Should You Choose?
Optimistic Etherscan is the better pick if you need canonical explorer for op mainnet. Subscan wins when canonical explorer for polkadot, kusama, and substrate chains. Both are production-ready — the right choice depends on your team's workflow and budget.