A head-to-head comparison of Trail of Bits and QuillAudits — pricing, the features that actually differ, and which one fits which use case.
Elite security research firm and the gold standard for cryptography and ZK
High-volume Web3 auditor with 1,400+ audits across many chains
These are the 2 capabilities where the two tools genuinely diverge — the rest of their feature sets overlap.
| Capability | Trail of Bits | QuillAudits |
|---|---|---|
| Continuous Monitoring | No | Yes |
| Formal Verification | Yes | No |
| Feature | Trail of Bits | QuillAudits |
|---|---|---|
| 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.
Trail of Bits
Custom
QuillAudits
Custom
Watch out: Among the most expensive firms.
Watch out: High volume invites depth-vs-throughput debate.
Trail of Bits edges ahead on our editorial score (4.9/5), but these tools aren’t straight substitutes. Pick Trail of Bits when gold-standard reputation across all of security matters most to your workflow; pick QuillAudits when 1,400+ audits and billions secured is the priority. The deciding factor is usually the trade-off you can least afford — Trail of Bits means accepting that among the most expensive firms, while QuillAudits means high volume invites depth-vs-throughput debate.
Trail of Bits carries the higher editorial rating (4.9/5 vs 4.3/5), but they solve different problems. Trail of Bits is the stronger pick when you need gold-standard reputation across all of security. QuillAudits wins when 1,400+ audits and billions secured.
Both are priced on request — expect quote-based pricing rather than public tiers.
Trail of Bits's main limitation is that among the most expensive firms. For QuillAudits, high volume invites depth-vs-throughput debate. 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 Trail of Bits leads on gold-standard reputation across all of security and QuillAudits on 1,400+ audits and billions secured, the two are often complementary rather than mutually exclusive.