A head-to-head comparison of Quantstamp and Immunefi — pricing, the features that actually differ, and which one fits which use case.
Veteran audit firm with 1,000+ audits and strong ongoing communication
The largest bug bounty marketplace connecting protocols with whitehat hackers
These are the 3 capabilities where the two tools genuinely diverge — the rest of their feature sets overlap.
| Capability | Quantstamp | Immunefi |
|---|---|---|
| Manual Audit | Yes | No |
| Automated Scanning | Yes | No |
| Bug Bounty Management | No | Yes |
| Feature | Quantstamp | Immunefi |
|---|---|---|
| Manual Audit | ✓ | ✗ |
| Automated Scanning | ✓ | ✗ |
| Continuous Monitoring | ✓ | ✓ |
| Upgrade Management | ✗ | ✗ |
| Multi Sig Governance | ✗ | ✗ |
| Public Reports | ✓ | ✓ |
| Emergency Response | ✓ | ✓ |
| Contract Library | ✗ | ✗ |
| Formal Verification | ✗ | ✗ |
| Bug Bounty Management | ✗ | ✓ |
Pricing models differ substantially between these two.
Quantstamp
Custom
Immunefi
Custom
Watch out: Professional-end pricing.
Watch out: Reactive — a bug must be found and reported.
Immunefi edges ahead on our editorial score (4.6/5), but these tools aren’t straight substitutes. Pick Quantstamp when 1,000+ audits and a long track record matters most to your workflow; pick Immunefi when largest bug bounty marketplace in web3 is the priority. The deciding factor is usually the trade-off you can least afford — Quantstamp means accepting that professional-end pricing, while Immunefi means reactive — a bug must be found and reported.
Immunefi carries the higher editorial rating (4.6/5 vs 4.5/5), but they solve different problems. Quantstamp is the stronger pick when you need 1,000+ audits and a long track record. Immunefi wins when largest bug bounty marketplace in web3.
Both are priced on request — expect quote-based pricing rather than public tiers.
Quantstamp's main limitation is that professional-end pricing. For Immunefi, reactive — a bug must be found and reported. Weigh these against how you actually plan to use the tool.
In most cases yes — many teams run both, using each where it's strongest. Since Quantstamp leads on 1,000+ audits and a long track record and Immunefi on largest bug bounty marketplace in web3, the two are often complementary rather than mutually exclusive.