About this app
This App "one digit +" is one digit addition training App. And this is a search game and speed puzzle game, too. There are 9 questions on nine stages, random 81 questions from "1 + 1 = 2" to "9 + 9 = 18". This is a Lite version of "one digit +-x÷". The paid full version has four categories. Addition:"one digit + ", subtraction:"one digit - ", multiplication:"one digit x " and division:"one digit ÷ ".
Latest release
What’s New
This update from Apple will improve the functionality of this app. No new features are included. bug fixed.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 1:56 AM Free