Our Products

Mobile Applications

Privacy-focused, fast, and reliable mobile applications developed by Katrex Technologies for Android.

Featured Applications

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Simple Calculator

com.katrex.simplecalculator

A lightweight, privacy-first, and ad-free Android calculator app built for fast everyday calculations, with memory functions and local history.

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VidyalayPro

com.katrex.vidyalaypro

All-in-one School Management & Student ERP app connecting school administrators, teachers, students, and parents for attendance, fees, homework, and exam results.

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ArrowZen

com.katrex.arrowzen

High-precision target analytics, focus performance tracking, and mobile utility application built for smooth Android performance.

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DharmaPanchang

com.katrex.dharmapanchang

Authentic Hindu Calendar and Vedic Panchang providing daily Tithi, Shubh Muhurat, Choghadiya, Vrat dates, and Hindu festivals.

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NurseScout AI

com.katrex.nursescout

Intelligent clinical workflow companion, NCLEX study assistant, and healthcare career scouting tool designed for nursing professionals and students.