ComputePrep is a free daily practice app that trains calculation speed for Indian competitive-exam aspirants — IBPS, SBI, SSC and railway.

Every day it serves three timed mental-maths drills — 15 to 70 seconds each — rotating through 21 kinds of vedic-maths shortcuts and exam quant, and shows you the fast method after every drill. No account needed to play; signing in with Google is optional and only carries your streak across devices.

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A product of Launchship IT & Media Services Pvt. Ltd. Our sister app for the reasoning section is Deduce.