JS 노가다 마스터 - 공수계산기, 공수달력, 밴딩계산

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About this app

🔨 JS Nogada Master - Everything for the Construction Site at Your Fingertips

Do you carry a notebook around every day to record your daily work hours?

Are you confused about calculating taxes and deductions?

Do you need a tape measure, spirit level, or protractor on site but don't have the tools?

JS Nogada Master is all you need.

It is an all-in-one field app designed for all professions, including construction workers, day laborers, team leaders, foremen, and electricians, plumbers, rebar workers, interior designers, plasterers, painters, and carpenters.

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✨ Key Features

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📅 Work Hour Calendar

• Check monthly work hours at a glance

• Tap a date to input work hours, daily wage, allowance, or memo

• Free input of 0.5, 1, 1.5, or up to 2 work hours

• Holidays and weekends are automatically displayed

• Swipe left or right to navigate through months

💰 Automatic Settlement

• Daily Wage × Work Hours = Total Income Automatically Calculated

• Automatic Deduction of 4 Major Insurances (National Pension, Health Insurance, Employment Insurance, Long-term Care Insurance, Industrial Accident Compensation)

• Automatic Calculation of Income Tax and Local Tax (Simplified Tax / Manual Input Mode)

• Monthly Net Income, Pre-tax, and Deduction Details at a Glance

🔧 Pipe Bending Calculator ⭐ (Key Features Not Found in Other Apps)

Used daily by plumbing, plant, firefighting, and electrical workers You can complete bending calculations immediately on-site.

• Bending angle (free input: 15° / 30° / 45° / 60° / 90°, etc.)

• Automatic application of bending radius (R-value) — built-in presets for each pipe size

• Automatic calculation of developed length

• Calculation of cut length and take-out dimensions

• Springback correction value guidance

• Instant verification of bend shape with 3D preview

• Built-in dimensional data for KS standard steel, copper, and stainless steel pipes

• Calculation results can be saved with notes

No more writing formulas on paper on-site.

You can obtain bending values ​​in one go simply by entering the numbers. 🛠️ Other Field Tool Kits

• Digital Tape Measure (Camera + AR Measurement)

• Digital Level (Accelerometer)

• Digital Protractor (Orientation & Tilt)

• Smart Measurement (Measure distance over photos)

• Right-angled Triangle Calculator (Pythagoras)

• General Engineering Calculator

📐 ISO Drawings (Essential for Plumbing & Electricians)

• Create drawings on an isometric grid

• Automatic 30°/45° alignment

• Save, load, and export drawings

• 3D Preview

🔒 Secure Data Storage

• Automatic cloud saving (Safe even when changing devices)

• Accessible only to the user (Row Level Security)

• All data deleted immediately upon account deletion

🌙 Field-friendly Design

• Dark Mode by default (Clearly visible even in sunlight)

• Large buttons + Large text (Works even with gloves on)

• 100% Korean UI

• Works even if the internet is temporarily disconnected Operation

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👷 Recommended for:

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✅ Daily laborers who record their daily work hours

✅ Team leaders and foremen who manage team members' work hours

✅ All workers who find monthly settlements confusing

✅ Pipe, plant, firefighting, and electrical bending workers (Bending calculations are essential!)

✅ Those who need quick measurements and calculations on-site

✅ Those who need to draw ISO drawings for pipes and plants

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💡 Why JS Nogada Master? ━━━━━━━━━━━━━━━━━━━

✓ Free - All core features are free

✓ Lightweight - Runs fast even on older phones

✓ Based on Korean field standards - Reflects Korean tax laws, holidays, and customs

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📞 Inquiries / Feedback

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Feature suggestions, bug reports, and improvement requests are always welcome.

Email: jsmasterk@gmail.com

We are rooting for everyone who takes the first train to the field every morning.

Have a safe and secure commute home today. 🙏
Updated on
Jul 5, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Personal info, App activity and 2 others
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
You can request that data be deleted

What’s new

🔧 1.0.3 업데이트

• 앱 아이콘이 일부 환경에서 제대로 표시되지 않던 문제를 수정했습니다.
• 안드로이드 웹뷰 설정을 개선하여 홈 화면 아이콘이 정상적으로 적용되도록 했습니다.
• 일부 화면에서의 안정성을 높였습니다.
Content rating
Everyone
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App support

About the developer
제이에스마스터
jsmasterk@gmail.com
대한민국 18121 경기도 오산시 궐리사로29번길 40, 301호(궐동, 희성빌)
+82 10-8824-5900