1Lookup
1lookup.io
Phone, email, IP and social data APIs for code and AI agents, priced per lookup.
Co-founder of 1Lookup, VoiceDrop and Emailchaser, scaling with AI and paid ads
Robby Frank is a founder who scales software companies with AI and paid advertising. He is a long-time co-founder of VoiceDrop with Nadav Boaz; the pair paired AI voice cloning with ringless voicemail and, according to Bubble's case study, built VoiceDrop without code or outside funding to seven-figure ARR within 12 months and more than 2,000 paying customers.
He is also a co-founder of 1Lookup, a set of phone, email, IP and social data APIs priced per lookup and designed to be called by code or AI agents, and of Emailchaser, all-in-one cold email software. 1Lookup has a verified TrustMRR page showing more than $5.4M in total revenue and about $263K in MRR, which ranks it among the top startups on the platform. He runs the investment vehicle mLabs and is married with four children.
1lookup.io
Phone, email, IP and social data APIs for code and AI agents, priced per lookup.
voicedrop.ai
AI ringless voicemail platform with voice cloning and two-way SMS.
emailchaser.com
All-in-one cold email software to find leads, connect inboxes and automate follow-ups.
Robby Frank has publicly reported 1Lookup: $263K MRR (TrustMRR) (as of 2026-10). Source
Live, payment-provider-verified numbers for Robby Frank's products are on TrustMRR: View on TrustMRR ↗
Robby Frank co-founded VoiceDrop, 1Lookup and Emailchaser, among others.
1Lookup's verified TrustMRR page shows about $263K in MRR and more than $5.4M in total revenue.
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