Best lemma alternatives: apps like lemma: Comp Math Trainer

Sharpe: Finance Brain Trainer

Ace Your Finance Interviews

Free

This app offers game-based practice for finance concepts, daily quantitative puzzles, and structured lessons on market microstructure and derivatives. It also features AI-powered mock interviews with detailed feedback to help users ace finance roles.

Quantrack: Mental Math

by ALTON BANUSHI

Free

This app provides focused drills for mental math, essential for quant and prop-trading interviews. It features a custom number pad for speed, tracks accuracy and progress, and offers daily streaks to build a consistent practice habit.

Mental Math - Quick Math Tests

Consulting, Case, & Quant Prep

Free

Enhance your mental math skills for consulting, investment banking, and quant interviews. Practice realistic drills, track your progress with streaks, and build confidence with adaptive exercises and exam-style sessions.

Variance: The Quant Prep App

Math, Brain Games, Probability

Free

Prepare for quantitative finance interviews with this app. Practice probability, mental math, logic puzzles, and more with detailed solutions and progress tracking. Sharpen your mathematical intuition and problem-solving skills for trading and research roles.