# Quotient Math Drill — 60-Second Mental Math Drills

> 60-Second Mental Math Drills (iPhone/iPad app by Linh Phan Nhat Khanh.)

- Source: https://appshunter.io/ios/app/quotient-math-drill/id6773757861 (this page in markdown: same URL + `.md`)
- Developer: [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575)
- Category: Education, Games
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 0 MB
- Languages: American English
- Released: 2026-06-07
- Data updated: 2026-06-19
- User reviews in markdown: https://appshunter.io/ios/app/quotient-math-drill/id6773757861/reviews.md

## What is Quotient Math Drill?

Quotient is the fastest way to sharpen your mental arithmetic. Pick an operation, hit Start, and race through as many problems as you can in 60 seconds.

Whether you are a student building fluency, a parent practising with your child, or an adult keeping your mind sharp, Quotient gives you a clean, distraction-free drill with instant feedback and progress tracking.

Choose from addition, subtraction, multiplication, division, or a mixed mode that throws every operation at you at random. Three difficulty levels let you grow at your own pace: Easy keeps numbers between 1 and 10, Medium pushes up to 25, and Hard goes all the way to 99.

Every drill is timed with a large countdown so you always know how many seconds remain. A green flash confirms a correct answer, a red flash on a wrong one keeps you honest. Your score tallies in real time at the top of the screen.

After each session your results are saved automatically. Head to the Stats tab to review your best score, total problems solved, overall accuracy percentage, and your current daily streak. The Levels tab lets you change difficulty and operation at any time.

No account needed. No ads. No internet required. All data stays on your device.

Features:
- 60-second timed drills with countdown ring
- Five operation modes: +, -, x, divide, and mixed
- Three difficulty levels with adjustable number ranges
- Real-time score counter and instant correct/wrong feedback
- Stats: best score, accuracy, streak, and total solved
- Works completely offline


## Version history (last 1 release)

### 1.0.0 — 2026-06-07

No release notes.

## More apps by Linh Phan Nhat Khanh

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- [Year Plan - Goal Planner](https://appshunter.io/ios/app/year-plan-goal-planner/id6760195784)
- [TimeBuddy - World Clock](https://appshunter.io/ios/app/timebuddy-world-clock/id6768292874)
- [HabitForge: Streak Tracker](https://appshunter.io/ios/app/habitforge-streak-tracker/id6768294604)

All apps by Linh Phan Nhat Khanh: https://appshunter.io/developer/1777727575

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-19.*