We put 5 “vibe coding” tools to the test — tools that promise to turn ideas into working products with almost zero engineering.
Tools we tested:
✅ Lovable
✅ Replit
✅ Firebase
✅ Bolt
✅ Vercel
Our goal?
Build a Calendly-style scheduling app, complete with:
– Multi-host availability
– Calendar integration
– Basic UI and backend
– Simulated booking flows
What started as a fun experiment turned into a serious teardown of what works, what breaks, and where each tool shines (or fails hard).
If you're a PM, indie builder, student, or founder trying to ship MVPs faster using AI — this is for you.
Meet Hosts:
Srinath - [https://www.linkedin.com/in/skotela/]
Phani - [https://www.linkedin.com/in/phanivuyyuru]
Sid - [https://www.linkedin.com/in/sidsaladi/] [https://sidsaladi.substack.com/ [https://mobile.twitter.com/Sidsaladi]
💎 Here are more resources for you
🚀 The Ultimate PM Launch Pad - Blast Off Your Career Now! 🚀
https://www.youtube.com/playlist?list=PL0KSCr65RCTOupMjArBvrML5VWUGzaKqt
🧰 Master the PM Toolkit - Equip Yourself for Success! 🧰
https://www.youtube.com/playlist?list=PL0KSCr65RCTM4acJOjQYFvOVMzfiEFlqE
⚡️ Stay Ahead of the Tech Curve - Charge Your Knowledge Now! ⚡️
https://www.youtube.com/playlist?list=PL0KSCr65RCTMvYe4lAYpfdbDoNdPbA33o
🛠️ Highlights:
– Which tool gave us the best zero-to-one speed
– Why most tools break at the backend integration stage
– Unexpected UX wins and deal-breakers
– Cost vs performance vs “serendipity”
🔥 Final verdict at the end — and it might surprise you.
📩 Got a tool you want us to test next? Drop it in the comments.
Timestamps (Chapters):
0:00 – Intro: Why we’re testing vibe coding tools
1:00 – What is vibe coding and why does it matter?
2:20 – PM workflows without engineering? Let’s find out.
4:00 – Tool lineup: Lovable, Bolt, Firebase, Versal, Replit
5:15 – What we’re building: A Calendly-like multi-host scheduler
6:45 – Common pain points with existing tools
8:30 – Setting up PRD + using ChatGPT to generate it
10:40 – Lovable setup and first impressions
13:00 – Firebase explanation + how pricing/APIs work
16:00 – Bolt early review: UI vs Functionality
18:30 – Replit evaluation: surprising improvement
22:00 – Ranking based on UI, backend, serendipity
27:00 – The simulation debate: fake flows vs real APIs
30:00 – What Lovable still does better than everyone
33:00 – Where each tool shines and fails
36:00 – Cost breakdown: Replit vs Lovable vs Firebase
38:00 – Final tool ratings (out of 10)
41:00 – Who won? Lovable vs Bolt showdown
43:00 – What PMs should consider when picking tools
44:30 – Our advice to teams building their own internal SaaS
46:00 – What's next? Feature requests + tool feedback
Tags :
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