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Premium themes · ₹99 each
Classic is free. Individuality is ₹99.
Keypress Sounds
Even your multiplication needs better sound.
Notifications & sync
Calculation complete notifications
We'll tell you the obvious.
Cloud-style sync simulation
₹299. Simulates syncing. Simulates well.
Weekly calculation digest email
A newsletter about your sums.
Danger zone · hidden features
You paid ₹4,999/year. Leaving already? That's going to cost you.
Hold to confirm. Nothing is ever actually deleted. Demo checkout only — no payment method, no account, no regrets.
Hidden premium modules