Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

RADD Screenshots

iPad

iPhone

About RADD

RADD is a speed math game of adding numbers. Compete with your friend’s scores, test your reflexes, and improve your math skills in this fun and colorful brain game!

How to play:
- Swipe numbers together to merge them
- Merged numbers are added together
- Adding numbers quickly increases your score
- Tap on power-ups for a boost
- Be quick - the timer will run out on you!

RADD (Radius + Add) will improve your addition skills or just pass the time with it’s addicting gameplay!

What's New in the Latest Version 1.4.2

Last updated on Mar 30, 2022

Old Versions

Extended game to level 25

Version History

1.4.2

Mar 30, 2022

Extended game to level 25

1.4.1

Nov 17, 2021

Bug fixes and performance improvements

1.4

Nov 1, 2021

- Added iPad support
- Added mute audio button

1.3.1

Oct 4, 2021

- Added 9s
- Extended game to level 22
- Fixed rate button

1.3

Sep 30, 2021

- Added social media buttons
- Fixed scores not always sending to daily leaderboard
- Get free points for downloading other Toast Mobile games
- Updated Support URL

1.2

Sep 22, 2021

Bug fixes and performance improvements

1.01

Jun 20, 2013

Bug fixes... it works now.

1.0

Jun 13, 2013

Feedback Report