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Setter AI — Startup Profile
Startup

Setter AI

Calendly for WhatsApp

Productivity & Collaboration
0 Momentum score
Signals per week, last 12 weeks
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  1. Stories Josef Büttgen said Setter AI was month three of a 12x12 and later about $10,000 MRR

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About the startup

Speed matters when you want more sales. That’s why Setter AI instantly follows up with every lead on WhatsApp—day or night. Your human-like AI keeps the conversation going until your prospects book an appointment, so you never miss a chance to close a deal. With seamless Calendly integration, it’s easy for leads to pick a time. Think of it as your 24/7 sales assistant: it replies within 10 seconds, uses proven sales tactics, and never takes a break. No more missed opportunities or slow responses—just faster conversions and happier customers. Plus, SMS, Instagram and more channels are coming soon! Key Features: Connect to 6,000+ Apps with Zapier: With Zapier integration, our platform seamlessly connects to over 6,000 apps, streamlining your workflow. Book directly into Calendly Book meetings straight into your Google Calendar or Calendly. Can handle multiple time zones. Connect any lead form Connect any lead form, including Facebook Lead Ads, LinkedIn Lead Gen Forms, and your website, for seamless data integration. Human-like Touch Customize your script to sound like a human with simple language and emojis. Access chat logs Access chat logs for every conversation, ensuring you never miss a detail. Pass data on to your CRM Easily pass call transcripts, recordings, and outcomes to your CRM with a webhook integrated into Zapier.

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Retold founder accounts from startups in the same category, each linked to the original.

Story

Josef Büttgen said Setter AI was month three of a 12x12 and later about $10,000 MRR

Josef Büttgen's Indie Hackers intro says a failed first product and thinning runway pushed a 12-startups-in-12-months challenge; Setter AI showed up in month three, and a little over a year later he reported $10,000 MRR,

Buffer's first paying customer arrived four days after a seven-week build

Joel Gascoigne validated Buffer with a two-page landing flow, spent seven weeks of evenings and weekends on a minimal product, launched on 30 November 2010, and recorded a first paying customer within four days.

Tibo stated sub-$2M ARR at sale and $6–7M later, not catalog $3.5M

In a January 2024 Bootstrapped Founder interview, Thibault Louis-Lucas did not quote a $10M sale price or $3.5M ARR; he said Lempire acquired them below $2M annual recurring revenue and that they were nearing $6–7M, with

Tally's March 2024 letter is $100k MRR, not a $3M ARR stamp

Marie Martens wrote that Tally, launched in summer 2020 with Filip, hit $100k monthly recurring revenue in February 2024 with a bootstrapped team of three and more than 250,000 users; this record uses those founder label

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