Mobile-first quant practice

Qalc

Qalc is a mental math trainer built for fast, focused quant interview preparation on iOS and Android.

Privacy policy Get support
4practice modes
0account required
1daily workout
54Expo SDK target

Practice modes

Qalc keeps the core loop quick: answer with a phone-first keypad, finish the round, and review solve-time feedback without waiting on an account or network connection.

Sprint

Timed arithmetic rounds for building speed under interview-style pressure.

Survival

Progressive questions with lives and per-question timers for sustained focus.

Daily Workout

A local daily routine with warmup, sprint, mixed, and final challenge blocks.

Quant

Focused drills for percentages, fractions, percent change, and expected value.

Guest first

You can play as a guest. Accounts are optional and exist to support signed-in profile features and synced training history when enabled for your build.

Launch options

Qalc is preparing Free, No Ads, and Pro options for launch through store-backed purchases.

Public release

Store availability will be announced only after the iOS and Android builds are approved.

These pages support app review, store listings, and account-related user requests.