けいさん白書

Name: けいさん白書
Author: Seki Takumi

LiveSeki Takumi3 apps · 663 installsCasualFree · contains adscom.s_pop.keisan

A calculation power training app that allows you to solve many mental calculations within a time limit. Activate your brain by improving your judgment, concentration, and mental arithmetic skills!

Alert me ★ Watch Open in Play ↗

Total installs: 284
Installs / day: 0
Rating: —★
Released: 7 Jul 2018
Last update: 8 Aug 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
No data collected

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

3 in 1 group

0 Sensitive1 Notable2 Routine

OtherNotable3

Access to miscellaneous device features that don't fit other categories

Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET

Read more · all 3 permissions Show less

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Download

Full description

制限時間内に多くの暗算を解いていく計算力トレーニングアプリ。判断力・集中力・暗算力をアップして脳を活性化！ ◆遊び方＜ノーマルモード＞制限時間30秒以内に多くの問題を解いて自己ベストを目指そう！計算方法は[たし算/ひき算数/かけ算/わり算]から選択できます。難易度は[やさしい/ふつう/ちょいむず/むずかしい]から選択できます。＜全国試験モード＞制限時間60秒以内に多くの問題を解いて世界中のプレイヤーと点数を競おう！

What's new

一部機能の調整を行いました。

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