Subscan vs Mempool.space
A detailed head-to-head comparison of Subscan and Mempool.space — pricing, features, and which one wins for different use cases.
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 →Mempool.space
Open-source Bitcoin explorer and real-time mempool visualizer
Mempool.space is the most popular open-source Bitcoin block explorer and mempool visualizer, and it has become the default tool for understanding Bitcoin fee markets. Its signature feature is a live, …
Full review →Feature Comparison
| Feature | Subscan | Mempool.space |
|---|---|---|
| Transaction History | ✓ | ✓ |
| Contract Verification | ✗ | ✗ |
| Token Tracking | ✓ | ✗ |
| Nft Tracking | ✗ | ✗ |
| Api Access | ✓ | ✓ |
| Multi Chain Support | ✓ | ✗ |
| Gas Tracker | ✗ | ✓ |
| Source Code Viewer | ✗ | ✗ |
| Address Labels | ✓ | ✗ |
| Private Notes | ✗ | ✗ |
Subscan Pricing
Subscan
Free
Free
- ✓Multi-network Substrate explorer
- ✓Staking + OpenGov governance data
- ✓XCM cross-chain messaging
- ✓Extrinsic/event decoding
- ✓Developer API (paid plans)
Mempool.space Pricing
Mempool.space
Free
Free
- ✓Open-source Bitcoin explorer
- ✓Live mempool + fee estimation
- ✓Lightning Network exploration
- ✓Mining pool statistics
- ✓Self-hostable; enterprise tier available
Verdict: Which Should You Choose?
Subscan is the better pick if you need canonical explorer for polkadot, kusama, and substrate chains. Mempool.space wins when best-in-class bitcoin fee estimation and mempool visualization. Both are production-ready — the right choice depends on your team's workflow and budget.