Time calculator

571.6K installs
1.6K ratings
23.9K monthly active users
$<10K monthly revenue est.
IAP 0% · Ad 100%
Install Trends
Weekly +147
Declining
Monthly +7.7K
Steady

Time calculator Summary

Time calculator is a ad-supported Android app in Tools by Yutaka Kenjo. Released in Feb 2021 (5 years ago). It has about 571.6K+ installs and 1.6K ratings with a 4.54★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 23.9K monthly active users and generates around $<10K monthly revenue (0% IAP / 100% ads). Store metadata: updated Oct 7, 2025.

Recent activity: 147 installs this week (7.7K over 4 weeks) showing below average growth , and 4.00 new ratings this week View trends →

Store info: Last updated on Google Play on Oct 7, 2025 .


4.54★

Ratings: 1.6K

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Screenshots

App screenshot
App screenshot
App screenshot
App screenshot

App Description

Can add, subtract, multiply, and divide time

This application allows you to calculate time (hours and minutes).
You can calculate things like 1:30+0:50.

When you enter a number, ":" is automatically inserted to separate the hour and minute, so you can calculate quickly.

This is useful for calculating total work hours, time spent on daily errands, and travel time.

You can add, subtract, multiply, and divide.

The calculation history is automatically saved, so you can check it later.

A memory key is provided, allowing you to save and add subtotals.

Minutes that are often used for calculations (15 minutes, 30 minutes, etc.) can be registered and used for one-touch addition.

It is equipped with a button to add or subtract 24 hours.
This is useful for calculating the time across midnight.

It comes in a variety of colors such as orange, green, cyan, pink, and black, and you can choose the one you like best.


[ List of functions ]

You can check the calculation history, and touch the answer displayed in the history to reuse it for calculations.

You can use the memory keys to save, add, and subtract subtotals.

By setting the preset keys, you can use the most frequently used time (minutes) for calculation with a single touch.

The color of the application can be selected.