IPQualityScore vs SignupDoggy — 2026 comparison, no affiliate links

Side-by-side comparison of IPQualityScore and SignupDoggy for SaaS signup fraud. Pricing, accuracy, integration time, free tiers, and which to pick for indie hackers vs enterprise.

IPQualityScore vs SignupDoggy — 2026 comparison

IPQualityScore (IPQS) is the legacy choice. SignupDoggy is the indie-hacker upstart. Both score signups for fraud risk. They are priced differently, integrated differently, and aimed at different buyers.

PRICING

| Tier | IPQualityScore | SignupDoggy |
|---|---|---|
| Minimum spend | $25/month | $5 (pay once, no expiry) |
| Per-call cost | $0.005-$0.05 | $0.005-$0.01 |
| Free tier | 5,000 lookups/month (business email required) | Live demo at /demo (no signup) |
| Annual contract | Required for volume tiers | None |

Filtering 50,000 signups/month on IPQS's mid-tier costs $1,250-$2,500/month. The same 50,000 signups on SignupDoggy cost $250-$500 one-time.

ACCURACY

IPQS's strength is IP risk scoring. Their IP database is one of the best in the industry. SignupDoggy's strength is disposable-email detection. Their email blocklist is the deepest of any indie-tier provider.

INTEGRATION

IPQS: 1-2 weeks. Sales-led signup. Business email required.
SignupDoggy: 30 minutes. Self-service. Any payment method.

The full 1,500-word comparison with use-case-specific recommendations is in our blog post: /blog/ipqualityscore-vs-signupdoggy-honest-comparison.

The short version: IPQS for enterprise fraud teams with $50k+/year budgets. SignupDoggy for the 90% of SaaS teams that need a working fraud API in an afternoon without calling sales.