しんぷる暗算 - ３０秒で脳トレしよっ for iPhone

App summary

Engaging Brain Training Game for All Ages — しんぷる暗算 (30秒で脳トレしよっ) is a free iPhone title that helps users sharpen mental arithmetic. Players work through short, timed problem sets and can tailor the experience by picking calculation types and difficulty levels. The design is straightforward, making it accessible to young learners and adults alike, and it supports friendly score-based competition among friends and family.

How the game plays

• Multiplication problems, division, subtraction, and addition are all offered as selectable question types.
• Players choose which operation(s) to practice and set an appropriate challenge level.
• Each session is time-limited; solving problems correctly increases both score and remaining time.
• After each round, users can review the questions and their answers to reinforce learning.

Notable features

• Worldwide leaderboard so you can compare results with players from other regions.
• Timed rounds that reward speed and accuracy.
• Options to invite others and try to beat shared high scores.
• Post-game answer review to help identify mistakes and track progress.

Who will enjoy it

This app suits anyone wanting short, frequent brain workouts — from school-aged kids building arithmetic fluency to adults seeking a quick mental warm-up. The adjustable difficulty and simple interface allow it to scale with skill level.

Alternative suggestion

If you’d like another free pick to try, consider 这个你会吗 — 厕所模拟器你有纸吗, which offers a different casual gameplay style but is also available at no cost.

Bottom line

A compact, easy-to-use mental math trainer that mixes quick sessions, customizable settings, score challenges, and review tools to make regular practice simple and engaging.