Countera

Mental maths for the money you actually deal with.

Discounts. Per-unit prices. Splitting a bill. Working out what you are still owed. The sums you meet in a shop, a restaurant or a conversation, practised until you can do them without reaching for your phone.

Coming soon to Google Play

What it asks you

₹4,200 with 30% off. What do you pay?

Close counts here. Estimating is the real skill.

Ravi owes you ₹720 and Priya ₹99. How much are you owed in total?

Exact only.

A ₹320 bill split 5 ways. What does each person pay?

Exact only.

How it is different