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Head-to-head comparison

isMalicious vs IPQualityScore

Fraud detection and IP risk scoring. Features, pricing and API limits side by side.

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isMalicious leads on 6 of 11 compared capabilities

3 shared — full breakdown in the table below

Quick verdict

Choose isMalicious for API-first threat intelligence with multi-source correlation, CVE data, and ransomware tracking. Choose IPQualityScore for fraud prevention, account abuse detection, and ad fraud filtering.

isMalicious

Threat intelligence API with multi-source correlation, CVE data and ransomware leak-site tracking.

Best for: Automated threat intelligence at scale

IPQualityScore

IPQualityScore (IPQS) provides fraud detection APIs that flag proxies, VPNs, bots, disposable emails and high-risk IPs, combining IP reputation with device fingerprinting.

Best for: Fraud prevention, account abuse detection, and ad fraud filtering

Feature comparison

FeatureisMaliciousIPQualityScore
IP reputation / fraud score
Proxy / VPN / Tor detectionPartial
Domain reputationPartial
URL scannerPartial
Disposable email detection
Ransomware leak-site tracking
CVE intelligence
STIX/TAXII export
Streaming threat feed
Bulk API
Free tier available

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IPQualityScore: strengths and limitations

Strengths
  • Proxy/VPN/Tor detection
  • Bot and fraud scoring
  • Disposable email detection
  • Ad fraud prevention
Limitations
  • Fraud-detection focus — not a general-purpose threat intelligence platform
  • No CVE intelligence
  • No ransomware tracking
  • No dark web monitoring
  • No STIX/TAXII support
  • No streaming threat feed
  • Limited domain reputation beyond fraud signals

Pricing

isMalicious

Free: website lookups with no monthly cap and 250 API calls a month. Pro from €99/month. Enterprise custom pricing.

View pricing →

IPQualityScore

Free (5,000 lookups/month), paid from $49/month

Frequently asked questions

Is isMalicious better than IPQualityScore?

They have different focuses. IPQS targets account and ad fraud: proxies, VPNs, bots, disposable emails. isMalicious targets security threats: malicious IPs, phishing domains, ransomware infrastructure and CVEs.

Can isMalicious detect VPNs and proxies like IPQualityScore?

isMalicious provides ASN-level context (datacenter vs. residential) and includes VPN and hosting provider signals as part of IP context. For deep proxy/VPN fingerprinting specifically tied to fraud prevention, IPQualityScore provides more granular signals.

Which is better for a SOC team?

isMalicious. SOC teams need threat intelligence covering malware, phishing, ransomware, CVEs, and C2 infrastructure — all of which isMalicious covers. IPQualityScore is tuned for product/fraud teams preventing account abuse rather than security operations teams defending infrastructure.

Other comparisons

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Decide with your own data

Don't take our word over IPQualityScore's. Check something real.

Paste an IP, domain or URL: reputation, WHOIS, DNS, ransomware signals and an AI-generated assessment. Free, no signup.

  • 250 free API calls/month
  • No credit card required
  • API key in under 2 minutes
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