Archived App (Last seen on 27 Apr 2025)
This is an archived listing of the app previously available on the App Store.
Enhance your mental math abilities with this engaging puzzle game. It helps users of all ages improve accuracy and speed in addition, subtraction, multiplication, and division through interactive tile-based challenges. Perfect for both children learning basics and adults maintaining skills.
1.2
February 19, 2016
This app has been updated by Apple to display the Apple Watch app icon. In this version Game state will be automatically saved when it is closed for any reason. So you will not lose your scores and will have ability to continue game whenever you want.
More$2.99
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In One Plus One, numbered tiles appear on the board. You select two tiles and a mathematical action (addition, subtraction, multiplication, or division) to find the answer, removing tiles as you go.
Yes, One Plus One is designed to help children learn the basics of math and can be used with minimal adult supervision. It has an age rating of 4+.
Absolutely. The game helps adults maintain their math skills and improve mental accuracy and speed, making it beneficial for cognitive maintenance.
No, One Plus One does not contain advertisements, providing an uninterrupted gaming experience.
One Plus One is available on iPhone, iPad, and iPod devices.
The app was last updated on February 19, 2016, to version 1.2. It was originally released on February 2, 2016.
One Plus One has a rating of 4.0 stars based on 2 user ratings.
The description does not specify if One Plus One supports offline play, but its core mechanics suggest it could function without an internet connection.
Promoted
Words Are Fun
by Blabble Game LLC
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