Calc Training (30sec)

Calc Training (30sec)

by Tomohiro Ohwada

0 ratings
17 reviews
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • January 8, 2021
  • October 10, 2025

Features

Calc Training (30sec) screenshot #1 for iPhone
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About

Sharpen your mental math skills with quick, 30-second training sessions. Practice addition, subtraction, multiplication, and mixed problems to improve your arithmetic speed and accuracy. Track your personal bests and challenge yourself to beat your previous scores.

30-second intensive training sessions
Addition practice
Subtraction practice
Multiplication practice
Mixed problem training
Personal best tracking
Show original description

What's New in Calc Training (30sec)

1.4.0

October 10, 2025

Compatible with iOS26. Library updated.

3

In-App Purchases

$1.99

Remove Ads

Remove ads in the app.

User reviews

暇つぶしにはよい

頭の体操、暗算力を鍛えるにはちょうどいいが
スタートを押すとすぐに問題が始まってしまうので注意
カウントダウンを挟んでもらえると心構えができるので改善求む

とても良いです

ずこくいいです

僕の今の目標は30てんですがいまは25てんです

ぼくはこれからもあきらめずに30てんのもくひょうをたっせいするためにがんばります!

最高!

また使いたい!

小学生低学年の子供向け

割り算は、答えの8割が「1」か「2」だった。
さすがにもう少しひねるか、難易度が変えられてほしい。

一度やって、すぐにアンインストールしてしまった

Developer apps

FAQ

What types of math problems can I practice with Calc Training?

Calc Training offers practice in five types of arithmetic: addition, subtraction, multiplication, split (division), and mixed problems. This variety ensures a comprehensive workout for your mental math abilities.

How long are the training sessions in Calc Training?

Each training session in Calc Training is designed to be intensive and lasts exactly 30 seconds. This short duration makes it easy to fit practice into even the busiest schedules.

Can I track my progress with Calc Training?

Yes, Calc Training allows you to confirm your personal best scores for each training type. This feature helps you monitor your improvement over time and stay motivated.

Does Calc Training have ads?

Yes, Calc Training contains advertisements. These ads help support the development and maintenance of the app.

What devices is Calc Training available on?

Calc Training is available for iPhone and iPod devices. It is designed to run on these Apple platforms.

How often is Calc Training updated?

The latest version of Calc Training is 1.4.0, last updated on October 10, 2025. This indicates regular updates to improve the app.

What is the age rating for Calc Training?

Calc Training has an age rating of 4+, making it suitable for young children and older users alike. It's designed for a broad audience interested in math practice.

Is Calc Training free to download?

Yes, Calc Training is free to download and use. It offers in-app purchases, which may provide additional features or content.