Optimistic Etherscan vs Starkscan
A detailed head-to-head comparison of Optimistic Etherscan and Starkscan — 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 →Starkscan
Feature-rich block explorer for Starknet
Starkscan is a leading block explorer for Starknet, the ZK-rollup layer-2 that uses the Cairo programming language and STARK proofs rather than the EVM. Because Starknet is architecturally different f…
Full review →Feature Comparison
| Feature | Optimistic Etherscan | Starkscan |
|---|---|---|
| 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
Starkscan Pricing
Starkscan
Free
Free
- ✓Full Starknet explorer
- ✓Cairo contract inspection
- ✓Account-abstraction tx decoding
- ✓Token + NFT tracking
- ✓Contract class exploration
Verdict: Which Should You Choose?
Optimistic Etherscan is the better pick if you need canonical explorer for op mainnet. Starkscan wins when purpose-built for starknet's cairo/stark architecture. Both are production-ready — the right choice depends on your team's workflow and budget.