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Numerikill

Free on Android and iPhone · no ads, no in-app purchases

Page last updated 5 November 2026

Numerikill is a free math game for Android and iPhone where kids practice addition, subtraction, multiplication and division by blasting the right answer. Parents choose the questions and lock the settings. It has no ads, no in-app purchases and no data collection, and it plays offline.

Get it on Google Play Download on the App Store

Screenshots

Numerikill title screen: tilt, tap, do the math Gameplay: the question 6 times 7, with alien ships carrying the answers 36, 42 and 48 A correct answer earns a star and points A subtraction question, 45 minus 18, with three answer ships How to Play screen explaining tilting, tapping and scoring Options screen for game speed and question types: addition, subtraction, multiplication and division

How it plays

  • A math question appears at the top of the screen while alien ships carrying three possible answers fly toward your rocket. Tap the ship with the right answer to fire a laser at it.
  • Tilt the phone to steer and dodge: don’t let the alien ships touch your rocket. Fly off one edge of the screen and you pop out on the other side.
  • A right answer scores 2 points and the next question comes right away; a wrong answer costs 1 point. Scores are kept on the device.

For parents

  • Pick the operations (addition, subtraction, multiplication or division), the number ranges, and how fast the lasers, answer ships and rocket move.
  • Lock the settings with a password so kids can’t give themselves easy questions.
  • Calibrate the tilt to suit how your child holds the phone.

Privacy

Numerikill has no accounts, no ads, no analytics and nothing to buy, and it doesn’t connect to the internet. Scores and settings stay on the device. Read the Numerikill privacy policy.

Questions

Is Numerikill free?

Yes. It is free on Google Play and the App Store, with no ads and no in-app purchases.

What math does it practice?

Addition, subtraction, multiplication and division. Parents choose which operations and number ranges to use.

Can my child change the difficulty?

Only if you let them. The settings can be locked with a parent password.

Does it work offline?

Yes. Numerikill doesn’t need an internet connection.

Does it collect any data?

No. There are no accounts, ads or analytics, and nothing leaves the device.