Calculation Training

Name: Calculation Training
Author: MostlyClear. J

LiveMostlyClear. J4 apps · 566 installsEducationFreeIn-app purchases: $1.99 - $14.99 per itemcom.mostlyclear.calculationpractice

Sharpen your mental math: fast arithmetic, fractions, and ratio comparison.

Alert me ★ Watch Open in Play ↗

Total installs: 451
Installs / day: 0
Rating: —★
Released: 20 Sept 2026
Last update: 9 Oct 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

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

4 in 1 group

0 Sensitive0 Notable4 Routine

OtherRoutine4

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

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
Make your phone vibratecontrol vibration · VIBRATE
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

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

Full description

Train the mental math you need for aptitude tests, case interviews, and everyday number sense. • Arithmetic training: addition, subtraction, multiplication, and division, from 1-digit up to 5-digit numbers • Comparison training: quickly judge which is bigger — fractions, products, sums, growth and decrease rates, and multiples • Past exam training: comparison items from real Korean data interpretation exams • Statistics: accuracy and solving-time trends, plus detailed stats by question type • Wrong answer notes for focused review Supports English and Korean.

What's new

What's new in 4.0.0 • Home tab: your streak, Today's Round, and Today's Picks on one screen. • Pizzle League: tap "See my rank" after an exam-mode round to see this week's ranking in Pizzle. • My grades: see your latest grade for each exam mode in My Page. • Exam mode is now always 20 questions. • Refined the difficulty and question mix of Comparison drills. • Fixed 3-digit ÷ 1-digit division often showing 100 ÷ 1. • Added Restore Purchases on the paywall and Manage Subscription in My Page.

Growing in Education

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