Time Calculator: Add, Subtract

Developer: Phan Nhat Đang

Category: Tools

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9.6K installs

192 ratings

478 monthly active users

$<10K monthly revenue est.

IAP 100% · Ad 0%

Install Trends

Monthly +117

Steady

Time Calculator: Add, Subtract Summary

Time Calculator: Add, Subtract is a with in-app purchases iOS app in Tools by Phan Nhat Đang. Released in Sep 2021 (4 years ago). It has 192 ratings with a 4.57★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 478 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Apr 23, 2026.

Store info: Last updated on App Store on Apr 23, 2026 .

SDKs, Trackers & Permissions

App not yet scanned for SDKs.

App Details

Store ID: 1583726955

First Released: 2021-09-14

Store Last Updated: 2026-04-23

In-App Purchases: Yes

Ads: No

Website: nhatdang.freetzi.com

App Store

Crawl Status: Success

AppGoblin First Crawled: 2022-11-28

AppGoblin Last Crawled: 2026-06-09

Ads & App-Ads.txt

Ads.txt Last Crawled: 2026-03-03

Ads.txt Crawl Status: Success

AppGoblin SDK Scans

App not yet analyzed for SDKs.

4.57★

Ratings: 192

5★

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1★

Screenshots

App Description

Use this App to solve time problems. We offer many different types of calculations:
- Add Or Subtract Two Time Values
- Add Or Subtract From A Starting Time And Date
- Time Duration Between Two Times
- Time Duration Between Two Dates

This is a very intuitive App, simple and easy to use.

We are very happy to serve you. If you have any requests, don't hesitate to contact us.
- https://www.facebook.com/phan.nhatdang.3/
- phannhatd@gmail.com