Voyager vs Otterscan
A detailed head-to-head comparison of Voyager and Otterscan — pricing, features, and which one wins for different use cases.
Voyager
The original Starknet explorer, built by Nethermind
Voyager, built by Nethermind, is the original and semi-official block explorer for Starknet, the Cairo-based ZK-rollup. It provides transaction and address lookup, Cairo contract inspection and verifi…
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 | Voyager | Otterscan |
|---|---|---|
| Transaction History | ✓ | ✓ |
| Contract Verification | ✓ | ✗ |
| Token Tracking | ✓ | ✓ |
| Nft Tracking | ✓ | ✗ |
| Api Access | ✓ | ✗ |
| Multi Chain Support | ✗ | ✗ |
| Gas Tracker | ✗ | ✗ |
| Source Code Viewer | ✓ | ✓ |
| Address Labels | ✓ | ✓ |
| Private Notes | ✗ | ✗ |
Voyager Pricing
Voyager
Free
Free
- ✓Full Starknet explorer
- ✓Cairo contract verification
- ✓Account-abstraction tx decoding
- ✓Class/instance exploration
- ✓Developer API
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?
Voyager is the better pick if you need original, nethermind-backed starknet explorer. 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.