# Flash Mental Calc — Mental Math Training

> Mental Math Training (iPhone/iPad app by Wenbo Chen.)

- Source: https://appshunter.io/ios/app/flash-mental-calc/id6760411165 (this page in markdown: same URL + `.md`)
- Developer: [Wenbo Chen](https://appshunter.io/developer/1884329176)
- Category: Education, Games, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 5 MB
- Languages: American English, Japanese, Chinese (Simplified, China)
- Released: 2026-03-21
- Data updated: 2026-06-04
- User reviews in markdown: https://appshunter.io/ios/app/flash-mental-calc/id6760411165/reviews.md

## What is Flash Mental Calc?

Boost your mental math skills with Flash Mental Calculation!

A simple and effective training app where numbers flash on screen and you calculate the sum as fast as you can.

【Features】
· Addition, Subtraction & Mixed mode
· Customizable difficulty (digits, count, speed)
· Sound & haptic feedback
· Japanese / English / Chinese

【Premium - one-time】
· Mixed mode (addition + subtraction)
· Unlimited custom difficulty
· Accuracy charts & statistics


## Version history (last 1 release)

### 1.0 — 2026-03-21

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*