We're building the future of software businesses
Spirex is a SaaS Business Operating System built for non-technical founders. We believe anyone with a valuable idea deserves to run a real software business — without needing technical skills, a development team, or years of learning to code.
Built with the world's best technology
Built by a solo founder
Spirex is built by Sudipta Biswas, a 20-year-old founder from West Bengal, India. Starting with zero coding experience, Sudipta is building Spirex to prove that determination and the right tools can create something genuinely world-class.
Built for founders who run businesses every day
Customer tracking, revenue analytics, churn prevention, and feature deployment — everything you need to run your SaaS business from one platform.
Customer Health Tracking
See every customer's health score in real time. Know who is thriving and who is about to leave.
Revenue Analytics
Track MRR, ARR, churn rate, and revenue per customer. Complete financial picture in one screen.
Churn Prevention
Automatic alerts when customers go quiet. One-click re-engagement emails sent instantly.
Failed Payment Recovery
Failed payments retried automatically. Dunning sequences recover 40-60% of failed payments.
Runtime Credits
Every AI call and API request tracked automatically. No API keys to manage. Ever.
Business Health Score
One number showing if your business is thriving or needs attention. Updated in real time.
feature: invoicesask: plain Englishship:time:live: truedone: 20 minutes
Add Features by Typing
Type what you want. Spirex builds and deploys it in 20 minutes. No developer needed.
Automatic Email Sequences
Welcome, activation, and re-engagement emails configured automatically for every product.