Bolt

Inside the $11M YC Startups That Took Over 2025

Oct 19, 2025 · 1:27:39

This episode profiles six YC Summer 25 startups: Frizzle (AI grading for math teachers, saving 10+ hours/week with 98.9% accuracy), Floot (vibe-coding tool for non-coders, 20,000 users in three months, acquired via Reddit competitor subreddits), Sagekit (chat-based automation platform replacing Zapier, building integrations at 5–10 per week, targeting solopreneurs and SMBs), April (voice AI executive assistant for email and calendar, priced at $15/month, initially launched without free trial then corrected), Cacao (dollar app for Brazil using stablecoins, moving hundreds of thousands in volume, focused on remote workers and freelancers), and Flywheel (retrofit remote control for excavators to improve safety, with two Singapore and three US customers, aiming to reduce ~1,000 annual US construction deaths). Each founder shares early mistakes—Frizzle’s underestimating K-12 sales cycles, Floot’s free pricing delaying feedback, April’s no-trial launch, Cacao’s need for regulatory navigation, and Flywheel’s productization challenges—and explains their go-to-market strategies.

How He Built This Full App Using ONLY 3 prompts | Colin Matthews

Oct 15, 2025 · 46:40

Colin Matthews, a vibe coding instructor, demonstrates how to build full-stack apps, convert Figma designs, and clone live websites using tools like Lovable, Bolt, Replit, Magic Patterns, and Alloy, arguing that the real challenge is distribution, not coding. He shows that bolt, Replit, and Lovable all generate similar results using the same underlying LLMs, with differences in UI and cost—Bolt costing about $5 for a virtual fitting room app. For Figma-to-code, Magic Patterns offers better code quality while Figma Make has superior visual fidelity but messy code. Website cloning via Chrome extensions like Alloy takes 5–10 minutes per page but currently lacks multi-page support. Matthews emphasizes that 90% of the work is easy, but the remaining 10% requires debugging skills, and advises aspiring builders to adopt a distribution-first approach—citing his own Wix extension that got 8,000 users with no marketing—rather than just focusing on product.