# 레벨야장 > Record and manage direct leveling field logs all at once on your mobile device. Full offline support and automated calculations. Canonical page: [https://chrome-stats.com/d/com.lvbook.lv\_book](https://chrome-stats.com/d/com.lvbook.lv_book) ## Overview - **ID:** `com.lvbook.lv_book` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Jiam Yun - **Category:** PRODUCTIVITY - **Downloads:** 76 - **Version:** 1.2.0 - **Last updated:** 2026-07-22 - **First published:** 2026-05-06 - **Publisher country:** KR - **Size:** 33 MB - **Data as of:** 2026-09-06 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.lvbook.lv_book) - **Website:** [https://blood8879.blogspot.com/ads.txt](https://blood8879.blogspot.com/ads.txt) - **Privacy policy:** [https://blood8879.github.io/lv-book-privacy/](https://blood8879.github.io/lv-book-privacy/) ## Description 📐 **The Choice of Construction Sites, Level Field Book**

Creating direct leveling field books at civil engineering and construction sites is cumbersome and prone to errors. **Level Field Book** is a mobile app that smartly handles everything needed on site.

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### ✨ Key Features

**🔢 Error Elimination via Automatic Calculation**

- Automatically calculates IH (Instrument Height) and GH (Height) simply by entering BS (Backsight) and FS (Foresight).

- Immediately detects surveying errors through automatic calculation of the verification formula (ΣBS - ΣFS).

- Transparently verifies the calculation process.

**📍 Automatic TP (Turning Point) Detection**

- Ensures structural accuracy by automatically detecting turning points during the survey flow.

- No manual setup required; efficient field recording.

**💾 Perfect Offline Support**

- No internet required; operates reliably even in poor communication environments at construction sites.

- No login required; ready to use immediately.

- All data is securely stored internally.

**📊 Management by Project & Site**

- Manage multiple projects and sites simultaneously.

- Neatly organized by project for easy searching and viewing at any time.

**🎯 BM (Base Point) Management**

- Register and efficiently manage field benchmarks (BM).

- Significantly enhances the reliability of surveying data.

**⚡ Spreadsheet-type Fast **Input**

- Fast data entry via cell-based interface, just like a spreadsheet

- Minimizes touch errors with a large cell design

- Enables quick input on-site using the numeric keypad

**📱 Optimized for Field Environments**

- Maximizes work efficiency with a large touch area and highly readable UI

- Easy screen viewing even in bright sunlight

- Intuitive interface for one-handed operation

**📥 Data Export**

- Print field notes in PDF format

- Analyze and create reports in other programs like Excel using CSV format

- Stores field records in both digital and paper formats

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### 🎯 Recommended for:

✓ Those responsible for surveying at civil engineering or construction sites

✓ Those who want to escape the hassle of traditional paper field notes

✓ Those who want to minimize surveying errors

✓ Those who want to manage data efficiently on-site

✓ Those managing multiple projects simultaneously

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### 💡 Special Advantages

**Reliable Calculations**

All calculations are recorded transparently, making verification easy. No need for re-measurements due to errors! **Time Saving**
You can focus the time previously spent calculating and recording by hand on on-site observation.

**Site-Friendly Design**
Designed with the harsh environments of civil engineering and construction sites in mind.

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### 📝 Use Examples

1. Create a new project and register a Business Model

2. Automatically calculate IH/GH when entering BS/FS

3. Immediately detect surveying errors by checking verification formulas

4. Export as PDF/CSV after surveying is complete

5. Create reports or archive site records

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### ❓ FAQ

**Q. Can I use it without an internet connection?**

A. Yes! It works perfectly offline.

**Q. Can I transfer existing data?**

A. You can export in CSV format and then import it.

**Q. Is data synchronization possible across multiple devices?**

A. Currently, it is stored internally on the device. You can use it on other devices by exporting to CSV.

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### 🏗️ The Standard for Construction Sites, Field Levels

Accurate surveying, smart record-keeping. Increase the efficiency of your site operations with Field Levels.

**Download now and start smarter site management!** ## Rankings - #2,078,855 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_COARSE_LOCATION` - `android.permission.ACCESS_FINE_LOCATION` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.CAMERA` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.gms.permission.AD_ID` - `com.lvbook.lv_book.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Level Book](https://chrome-stats.com/d/com.perez.adrian.nivelesandroid) — 10,598 users - [水準測量手簿-測量野帳・測量計算・水準計算](https://chrome-stats.com/d/com.suijun.levelbook) — 84 users - [Auto Level Calc](https://chrome-stats.com/d/com.niveler) — 326 users - [Nivelación Vial](https://chrome-stats.com/d/com.neagba.nivelacionvial) — 106 users - [Topographic Level](https://chrome-stats.com/d/com.byPeopleDev.NivelDigital) — 14,855 users - [Level Calc - Levelling Survey](https://chrome-stats.com/d/com.jps.levelcalc_w) — 3 users - [Smart Level Book](https://chrome-stats.com/d/com.smartlevelbook.smartlevelbook) — 19,549 users - [Auto Level Machine](https://chrome-stats.com/d/com.lkdev.autolevelmachine) — 46 users - [Elevation Survey](https://chrome-stats.com/d/com.suijunsokuryo.app.v2) — 1,310 users - [即戦力 - 土木測量の座標計算と水準測量電子レベルブック](https://chrome-stats.com/d/com.civilengineerhub.sokusenryoku) — 17 users - [Hydrographic Survey](https://chrome-stats.com/d/com.hydrographic.surveyapp) — 6 users - [Nivelación SC](https://chrome-stats.com/d/com.yoapps.nivelaciontopografia.simplecompuesta) — 93 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.lvbook.lv_book)