ZMOHI Studio • Independent Software Lab

Engineering Practical Android Apps & Tools. Beyond Ideas.

ZMOHI Studio develops high-performance Android applications and practical web utilities. Engineered with an uncompromising commitment to local-first privacy, intuitive craftsmanship, and real-world utility.

Explore Applications About the Studio

6 Android Applications•1 Public Web Utility•Local-First Architecture•Verified Google Play Developer

Data Sovereignty

Local-First Privacy

Zero cloud lock-in and zero mandatory account creation. All journey schedules, health routines, and photos remain strictly on your physical device.

Native Performance

Engineered Precision

Crafted for fast execution, minimal memory consumption, and reliable offline operation across everyday environments.

Specialized Focus

Purpose-Built Utility

Targeted solutions engineered for specific disciplines—from IRCTC railway booking windows and structural steel calculations to NEET MDS revision.

Native Mobile Software

Android Applications Showcase

Engineered with a focus on local-first data privacy, native execution speed, and functional utility. Explore our published Google Play releases and active beta programs.

6 Dedicated Applications

Featured Flagship Solutions

Travel & NavigationLive on Play Store

Ticket Reminder: Train & Bus

Precision Booking Calculator & Alarms for Indian Railways & Transit

Advanced travel scheduling utility for Indian Railways (IRCTC) and bus journeys. Calculates advance reservation periods (ARP) and sets smart notification alarms.

100% On-Device / Zero Personal Data Collected

Key Engineered Capabilities

Advance Booking Calculator

Instant calculation of exact booking opening dates for General (60/120 days) and Tatkal quotas based on Indian Railways reservation rules.

Precision Countdown Timers

Real-time live countdown timers down to the exact second when booking windows unlock on IRCTC.

Dual Smart Pre-Booking Alarms

Configurable advance alerts (e.g., 15 minutes and 2 minutes prior) to give you ample time to log into booking portals before quotas open.

100% Offline Ticket Vault

Secure, on-device vault to store PNR numbers, journey dates, boarding points, and notes without requiring network access or account creation.

Download on Google Play Read Full App Specs Privacy Policy

Medical & EducationLive on Play Store

Dental MCQ Bank & Flashcards

High-Yield Question Bank & Spaced Flashcards for NEET MDS & INI-CET

Academic preparation platform featuring 35,000+ curated dental MCQs, rapid-revision flashcards, and subject-wise analytics for NEET MDS and INI-CET aspirants.

Account-Only Authentication / Transparent Privacy Controls

Key Engineered Capabilities

35,000+ Verified Dental MCQs

Extensive question repository organized by subject, chapter, and exam difficulty, covering Oral Pathology, Orthodontics, Prosthodontics, Periodontics, and more.

Spaced Repetition Flashcards

High-speed revision decks designed for active recall, syndrome summaries, drug dosages, and anatomical landmarks.

Full-Length Timed Mock Tests

Simulated examination environments with negative marking criteria matching current NEET MDS and INI-CET question patterns.

Granular Performance Analytics

Detailed topic-level accuracy tracking, time-per-question analysis, and personalized revision recommendations.

Download on Google Play Read Full App Specs Privacy Policy

Specialized Engineering, Education & Utilities

Engineering & Utilities

Metal Weight Calculator & PDF

Precision Structural Calculation & PDF Export for Engineering Professionals

Professional structural calculation utility for civil, mechanical, and fabrication engineers. Calculates weights for diverse metal profiles with PDF invoice and estimate export.

Diverse Structural Profiles

Multi-Metal Density Database

Bulk Material & Price Estimator

Google Play Specs & Overview

com.zmohi.metalweightPrivacy

Productivity & Tools

ImagePress: Compress & Convert

Precision Target-Size Image Compression & Format Conversion with 100% Privacy

Local-first image optimization utility giving exact control over target file size in KB/MB, aspect ratio, resolution, and format conversion across JPEG, PNG, and WebP.

Target-Specific KB/MB Compression

Smart Resizing & Aspect Preservation

Lossless & Lossy Format Conversion

Google Play Specs & Overview

com.imagepressPrivacy

Education & ExaminationBeta

Learner's Licence Practice Test

Comprehensive RTO Exam Question Bank & Timed Mock Tests in 9 Languages

Independent educational practice tool for Indian RTO learner driving licence computer exams. Features official traffic signs, rules of the road, and timed tests in 9 regional languages.

All India RTO Coverage

9 Regional Languages Supported

Timed Simulation Mock Tests

Join Beta Specs & Overview

com.zmohi.learnerslicencePrivacy

Health & LifestyleBeta

Vivid Reminder

Visual Routine, Hydration & Medication Tracking Built with Local-First Privacy

Privacy-focused daily health, habit, and medication management tool. Features weather-synced hydration tracking, medication stock alerts, and offline schedule management.

Adaptive Weather-Synced Hydration

Medication Inventory & Dose Alerts

Routine & Habit Visualizer

Join Beta Specs & Overview

com.zmohi.vividPrivacy

Public Web Utilities

Specialized Web Software

Browser-based utilities engineered for complex domain calculations with client-side computation and zero data telemetry.

Live Web ApplicationGovernment Finance & Utilities

Govt Employee Toolkit

Comprehensive Salary, DA Hike, Tax & Retirement Calculator Suite

An authoritative web calculation dashboard built specifically for Indian government employees to calculate 7th CPC pay, DA hike arrears, tax regime comparisons, and superannuation benefits.

Engineered Financial Modules

Salary & DA Hike Arrears Calculators (aligned with official 7th CPC pay matrix levels)

Income Tax Regime Comparer (Old vs New Regime analysis with Section 80C, 80D, standard deduction, and rebate calculations)

Retirement & Superannuation Planner (accurate computation of Pension, Gratuity limits, Commutation percentages, and Earned Leave Encashment)

Travel Allowances (TA/DA) & Leave Travel Concession (LTC) claim estimator

Launch Govt Employee Toolkit (8thpayhub.in)

Client-Side Calculations • No Financial Data Stored

Deployment Platform8thpayhub.in

Target UsersCentral & State Government Employees, Defense Personnel, Pensioners

Regulatory Matrix7th Central Pay Commission (CPC) Pay Matrix & DA Revisions

Tax ComputationComparative Old vs. New Income Tax Regime Analysis

Access Model100% Free Public Web Utility • Zero Login Required

Visit 8thpayhub.in

Studio Philosophy & Identity

About ZMOHI Studio

Independent software development focused on purpose, performance, and privacy.

ZMOHI Studio is an independent software development studio dedicated to engineering practical, high-utility Android applications and accessible web software.

Our philosophy is straightforward: software should solve real friction cleanly without creating new burdens. Modern app ecosystems are too often cluttered with mandatory subscriptions, aggressive telemetry, bloated runtimes, and unnecessary cloud dependencies.

At ZMOHI Studio, we take the opposite approach. We build specialized, standalone tools that launch instantly, execute their calculations locally, and respect user privacy by default. Whether calculating railway booking windows down to the second, helping dental graduates prepare for NEET MDS, providing on-site structural weight estimates for engineers, or optimizing images offline without server uploads, our products are built with technical care and practical intent.

Studio Commitment

Zero selling or monetization of personal user data
Full offline capabilities where mathematically possible
Independent Android development with authentic Play Store listings
Direct developer support: contact_zmohi@aol.com

Local-First Architecture

We design our mobile software so that user data resides strictly on the local hardware. We do not require accounts, build tracking profiles, or send your sensitive records to remote servers when on-device execution provides superior speed and absolute privacy.

Lightweight & Battery-Conscious

Our applications are engineered for instant startup, minimal storage footprints, and efficient memory utilization. They are built to work reliably even in low-bandwidth or completely offline field conditions.

Deep Domain Craftsmanship

Instead of generic templates, each ZMOHI tool is designed around the exact mathematical models and real-world workflows of its domain—from IRCTC advance reservation rules to structural engineering densities and medical revision syllabi.

Transparent & Accountable

We publish verified privacy policies for every release, maintain verified Google Play developer credentials, and provide a direct, responsive contact channel for support and user inquiries.

Get in Touch

Connect with ZMOHI Studio

Have feedback on our applications, need technical support, or want to report an issue? We welcome messages from users, beta testers, and fellow developers.

Send Us an Email

Official Channels

Twitter / X

@ZmohiStudio

YouTube

@ZMOHI-ai

Facebook

ZMOHI Studio Profile

Beta Tester Inquiries

Interested in testing upcoming releases of Vivid Reminder or Learner's Licence Practice Test? Contact us with your Google Play email.