isMalicious leads on 7 of 12 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
Real-time threat intelligence API with multi-source correlation, CVE intelligence, ransomware tracking, and dark web monitoring.
Best for: Automated threat intelligence at scale
IPQualityScore
IPQualityScore (IPQS) provides fraud detection APIs focused on identifying proxies, VPNs, bots, disposable emails, and high-risk IPs used for account fraud, ad fraud, and spam. It combines IP reputation with device fingerprinting and behavior signals.
Best for: Fraud prevention, account abuse detection, and ad fraud filtering
Feature Comparison
| Feature | isMalicious | IPQualityScore |
|---|---|---|
| IP reputation / fraud score | ||
| Proxy / VPN / Tor detection | Partial | |
| Domain reputation | Partial | |
| URL scanner | Partial | |
| Disposable email detection | ||
| Ransomware tracking | ||
| CVE intelligence | ||
| Dark web monitoring | ||
| STIX/TAXII export | ||
| Streaming threat feed | ||
| Bulk API | ||
| Free tier available |
Every row above is backed by live data — see it on your own indicators.
Run a free reportIPQualityScore — Strengths & 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
IPQualityScore
Free (5,000 lookups/month), paid from $49/month
Frequently Asked Questions
Is isMalicious better than IPQualityScore?
They have different focuses. IPQualityScore excels at fraud detection — identifying proxies, VPNs, bots, and disposable emails for account fraud prevention. isMalicious is built for cybersecurity threat intelligence — covering malicious IPs, phishing domains, ransomware infrastructure, CVEs, and dark web exposure. Security teams typically need isMalicious; fraud/anti-abuse teams may prefer IPQS.
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
Decide with your own data
Don't take our word over IPQualityScore's. Check something real.
Paste any IP, domain, or URL and get a full multi-source report — reputation, WHOIS, DNS, ransomware signals, and an AI verdict. Free, no signup.
- 30 free API calls/month
- No credit card required
- API key in under 2 minutes