Time Calculator

Developer: 🇰🇷 blackstar

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1.3K installs

Ratings not yet available

63 monthly active users

$<10K monthly revenue est.

IAP 47% · Ad 53%

Install Trends

Weekly +5.00

Steady

Monthly +24

Steady

Time Calculator Summary

Time Calculator is a free, ad-supported, with in-app purchases Android app in Tools by blackstar. Released in May 2024 (2 years ago). It has about 1.3K+ installs Based on AppGoblin estimates, it reaches roughly 63 monthly active users and generates around $<10K monthly revenue (47% IAP / 53% ads). Store last updated Jul 28, 2026

Recent activity: 5.00 installs this week (24 over 4 weeks) showing steady growth View trends →

Time Calculator SDKs Summary

App not yet scanned for SDKs.

App Details

Store ID: com.blackstar.apps.timecalculator

First Released: 2024-05-15

Store Last Updated: 2026-07-28

App Store Category: Tools

In-App Purchases: Yes

Ads: Yes

Price: Paid

Website: s1k3m3.blogspot.com

App Store

Crawl Status: Success

AppGoblin First Crawled: 2024-08-26

AppGoblin Last Crawled: 2026-08-16

Ads & App-Ads.txt

Ads.txt Last Crawled: 2025-10-20

Ads.txt Crawl Status: Success

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Screenshots

App Description

This is a time calculator application.

This is a time calculator application.

Main function:
• You can calculate the time by entering the start time, end time, start date and time, end date and time, and elapsed time.
• You can save and load calculation results.