# Number Ninja — Quick-fire mental maths

> Quick-fire mental maths (iPhone/iPad app by Anand Sengupta.)

- Source: https://appshunter.io/ios/app/number-ninja/id6782152018 (this page in markdown: same URL + `.md`)
- Developer: [Anand Sengupta](https://appshunter.io/developer/1841054010)
- Category: Games, Family, Trivia
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: American English
- Released: 2026-07-05
- Data updated: 2026-08-15
- User reviews in markdown: https://appshunter.io/ios/app/number-ninja/id6782152018/reviews.md

## What is Number Ninja?

Number Ninja turns maths practice into a fast, friendly game. Choose your challenge, answer quick-fire questions, and watch your streak grow as you train to become a true Number Ninja.

Perfect for building speed and confidence with mental maths — whether you're brushing up on times tables or keeping your arithmetic sharp.

HOW IT WORKS
• Pick a difficulty: Easy, Medium, or Hard
• Choose what to practise: addition, subtraction, multiplication, division — or mix them all
• Answer 10 quick-fire questions per round with three lives
• Build streaks for bonus points and earn up to three stars
• Beat your best score and come back to top it

WHY PLAYERS LOVE IT
• Friendly, colourful design that makes practice feel like play
• Bite-sized rounds that fit into a few spare minutes
• Instant feedback that builds real number fluency
• No pressure — just beat your own best score

PRIVATE BY DESIGN
• Works completely offline
• No accounts, no sign-ups, no ads
• No data collected — your best score stays on your device

No in-app purchases. No advertising. Just maths, made fun.


## Version history (last 1 release)

### 1.0 — 2026-07-06

No release notes.

## More apps by Anand Sengupta

- [KinetIQ-Drive](https://appshunter.io/ios/app/kinetiq-drive/id6753124786)
- [ApplianceDoc](https://appshunter.io/ios/app/appliancedoc/id6779322946)
- [NestSense](https://appshunter.io/ios/app/nestsense/id6779367034)
- [Gravity Labs](https://appshunter.io/ios/app/gravity-labs/id6779659579)
- [Compass Quest: World Explorer](https://appshunter.io/ios/app/compass-quest-world-explorer/id6779665074)
- [Motion Maestro](https://appshunter.io/ios/app/motion-maestro/id6779675115)

All apps by Anand Sengupta: https://appshunter.io/developer/1841054010

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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 2026-08-15.*