KeepKnown vs PullRequest
Both are Cybersecurity tools. Below, the differences that matter: verified pricing, editorial scores and who each one is really for.
KeepKnown: KeepKnown is an allow-list email filter for Gmail & Outlook that silently screens out unknown senders, turning your inbox into a VIP channel. Pricing: from from $19/mo (billed annually). (data verified July 2026)
PullRequest: PullRequest (now HackerOne Code) combines AI-powered analysis with expert human review to catch security vulnerabilities in your pull requests. Pricing: from from $129/developer/month. (data verified July 2026)
Transparency: if you buy through our links we may earn a commission, at no extra cost to you. Rankings cannot be bought. How we rate tools
At a glance
 KeepKnown |
 PullRequest | |
|---|---|---|
| Rating | — | — |
| Pricing | from $19/mo (billed annually) | from $129/developer/month |
| Pricing model | — | — |
| Category | Cybersecurity | |
| Visit website → | Visit website → | |
Editorial scorecard
Editorial score from our review methodology — not user ratings.
| Ease of use | 8.5 | 7.5 |
| Features depth | 6.0 | 8.5 |
| Value for money | 7.5 | 6.0 |
| Support quality | 7.0 | 7.0 |
| Integrations | 7.0 | 8.0 |
| Scalability | 6.5 | 7.5 |
| Documentation | 6.0 | 6.5 |
| Onboarding speed | 8.0 | 7.0 |
| Overall | 7.1 | 7.3 |
Frequently asked questions
What is KeepKnown?
KeepKnown is an allow-list email filter for Gmail & Outlook that silently screens out unknown senders, turning your inbox into a VIP channel.
What is PullRequest?
PullRequest (now HackerOne Code) combines AI-powered analysis with expert human review to catch security vulnerabilities in your pull requests.
How much do KeepKnown and PullRequest cost?
KeepKnown: from $19/mo (billed annually). PullRequest: from $129/developer/month.
More comparisons
KeepKnown vs Resemble AI KeepKnown vs Protect IID KeepKnown vs ShadowMap KeepKnown vs Stytch PullRequest vs Resemble AI PullRequest vs Protect IID