Flash mental arithmetic-Simple

Developer: Ryouhei Azuma

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1.1K installs

23 ratings

33 monthly active users

$<10K monthly revenue est.

IAP 0% · Ad 100%

Install Trends

Weekly +17

Steady

Monthly +17

Steady

Flash mental arithmetic-Simple Summary

Flash mental arithmetic-Simple is a free, ad-supported iOS app in Education by Ryouhei Azuma. Released in Jan 2021 (5 years ago). It has 23 ratings with a 4.74★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 33 monthly active users and generates around $<10K monthly revenue (0% IAP / 100% ads). Store last updated Apr 15, 2026

Recent activity: 1.00 new ratings this week View trends →

Flash mental arithmetic-Simple SDKs Summary

App not yet scanned for SDKs.

App Details

Store ID: 1547944841

First Released: 2021-01-09

Store Last Updated: 2026-04-15

App Store Category: Education

In-App Purchases: No

Ads: Yes

Price: Paid

Website: razuma.jp

App Store

Crawl Status: Success

AppGoblin First Crawled: 2023-01-16

AppGoblin Last Crawled: 2026-07-20

Ads & App-Ads.txt

Ads.txt Last Crawled: 2025-10-19

Ads.txt Crawl Status: Success

4.74★

Ratings: 23

5★

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1★

Screenshots

App Description

Flash mental arithmetic practice app

In addition to the easy, normal, and difficult modes, there are also custom modes.

It can also be a brain training to improve mental arithmetic