Comprehensive Feature Comparison
Compare key features, pricing, and capabilities across leading security audit platforms. Make an informed decision for your project‘s security needs.
| Features |  RD Auditors4.9 Hundreds of Web3 teams clients | Zellic 4.8 Ecosystem leaders (Sui, Scroll, Solana Foundation) clients |
|---|---|---|
| Smart Contract Audits | ||
| ZK/Protocol Audits | ||
| Formal Analysis & Fuzzing | ||
| Response Time | 24–48 h | Quote‑based (days–weeks) |
| Report Quality | Actionable & Startup‑Focused | Deep & Research‑Driven |
| Post‑Audit Support | 24/7 Support | Business Hours |
| Turnaround Time | 2–5 days | Variable—typically days to weeks |
| Support Level | 24/7 Technical Support | Business Hours Support |
What Security Experts Are Saying
Real feedback from CTOs, security engineers, and project founders who have used these platforms
"Zellic has been a great partner in securing the Sui ecosystem… their curiosity – you can tell they are seeking to deeply understand the systems“
Sam Blackshear
CTO
Mysten Labs
Used: Zellic
"They were extremely thoughtful in searching for areas where our circuits might be underconstrained… end report was quite thorough“
Yi Sun
Co-Founder
Axiom
Used: Zellic
"We received our audit in just 4 days from RD Auditors—plus 24/7 support. Zellic offered deep insights, but their timelines and pricing didn’t align with our schedule.“
Startup Founder
Founder
GD1 NFT Launch
Used: RD Auditors
Frequently Asked Questions
Get answers to common questions about security audit platforms and make an informed decision
What specific strengths does Zellic have?
Zellic is renowned for protocol-level audits—especially ZK circuits and blockchain ecosystems such as Sui, Scroll, Solana, Cosmos, and Aptos. Their team includes top-tier CTF and reverse-engineering experts who delivered groundbreaking findings like the Wormhole post-mortem.
How do audit timelines compare?
Zellic uses custom quotes and timelines that often span several days to weeks, making them better suited to deep research audits. RD Auditors consistently delivers in 2–5 days, ideal for fast-paced launches.
How is pricing structured?
Zellic provides custom quotes—pricing varies based on scope, ZK depth, and ecosystem. RD Auditors offers transparent flat pricing from $3K for full manual plus automated audits.
What about ongoing support?
RD Auditors offers 24/7 remediation assistance to match startup rollouts. Zellic provides support during business hours and focuses on formal review delivery.
Which is the right fit for my project?
Choose Zellic if you need deep protocol or ZK-level analysis for chains like Sui or Solana and can accommodate longer timelines and budgets. Choose RD Auditors if you require fast, startup‑friendly, actionable audits with perpetual support.
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