For Zerodha customers, Sensibull is 100% free.
For other customers:
No, Sensibull subscription plans do not auto-renew. We do not have auto-renewal or any such automatic debits from our users, which we are 100% against as a company.
Once your paid plan is exhausted, you will be automatically put on a free plan, and you will not be charged for using any free features of Sensibull.
Free Plan = Basic Option Chain + Verified P&L + Daily Market Analysis + Learn Options Trading + Stock Results and Events Calendar + WhatsApp Alerts + Stock Data + Watchlist + Positions Page + FII DII Page + Expiry Trades.