1Lookup vs. Inbox Zapper

1Lookup

1Lookup provides enterprise-grade data verification and fraud prevention through a simple, SMB-focused API platform. Unlike complex enterprise solutions costing $50K+, we deliver the same accuracy at 90% less cost with 5-minute setup. Core Products: Phone Validation with Fraud Intelligence - Validates 200+ countries with carrier details, proprietary fraud scoring (0-100) using 50+ risk factors, DNC compliance checking, and SIM swap detection. Catches 25% more invalid numbers than competitors. Email Validation with Deliverability Scoring - Advanced fraud detection beyond syntax validation, domain reputation analysis, disposable email detection, and inbox placement prediction. IP Address Lookup with Risk Intelligence - Precise geolocation with 5,000+ VPN detection, proxy/Tor identification, and threat intelligence integration.

Inbox Zapper

Inbox Zapper is a gmail unsubscribe tool that allows you to unsubscribe from emails with 1 click. A gmail unsubscribe tool that actually works - mass delete and unsubscribe from unwanted emails instantly. Inbox Zapper scans your inbox for email lists and unwanted emails, letting you unsubscribe from thousands of junk emails and mass delete emails in just a click. Using our Chrome extension or web app, you connect your gmail account, and view a filtered list of all your subscriptions. You can then decide to either keep and mark them safe, or unsubscribe. You can also mass delete all previous emails from that sender. We use a new method that is guaranteed to block new emails, unlike what traditional email blockers do which is often unreliable and doesn't work. Scans your inbox to identify mailing lists and junk Mass unsubscribe from newsletters and junk mail in one click Mass delete emails from any sender in one click

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