Side-by-side comparison for DeFi traders looking for the best crypto tax software in 2026.
Defitax
$199/year
Unlimited transactions, one-time payment
Summ (CryptoTaxCalculator)
$249/year
Trader plan, recurring subscription
| Feature | Defitax | Summ (CryptoTaxCalculator) |
|---|---|---|
| Hyperliquid perps auto-sync | ✓ | ✗ |
| pump.fun / bonding curves | ✓ | ✗ |
| Prediction markets (Polymarket, Kalshi) | ✓ | ✗ |
| Meteora DLMM fee tracking | ✓ | ✗ |
| Jupiter DCA + perp matching | ✓ | ✗ |
| AI Tax Agent (ask about your data) | ✓ | ✗ |
| Anonymous wallet-only auth | ✓ | ✗ |
| Preview PnL free before paying | ✓ | ✗ |
| FIFO, LIFO, HIFO, Spec ID, Avg Cost | ✓ | ✓ |
| IRS Form 8949 | ✓ | ✓ |
| HMRC SA108 | ✓ | ✓ |
| Bridge detection (non-taxable) | ✓ | ✓ |
| Spam/scam token filtering | ✓ | ✓ |
| Tax-loss harvesting scanner | ✓ | ✗ |
If you trade DeFi — LP farms, perpetual futures, prediction markets, bonding curves — Defitax handles the protocols that Summ (CryptoTaxCalculator)can't. At $199/year with unlimited transactions and free PnL preview, it's both cheaper and more capable for DeFi-heavy portfolios.Summ (CryptoTaxCalculator) may be a reasonable choice if you only trade on centralized exchanges, but if your activity includes any on-chain DeFi, Defitax is built for you.
Preview your full PnL for free. No email, no KYC.