# Topography On the Fly

> Land surveying tools, in your mobile and tablet. Greek, English, French, Spanish

Canonical page: [https://chrome-stats.com/d/com.TopOgraphy.OntheFly](https://chrome-stats.com/d/com.TopOgraphy.OntheFly)

## Overview

- **ID:** `com.TopOgraphy.OntheFly`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** TopOntheFly
- **Category:** TOOLS
- **Downloads:** 134,133
- **Rating:** 4.56 / 5 (902 ratings)
- **Version:** 9.07.12
- **Last updated:** 2023-11-01
- **First published:** 2016-07-30
- **Publisher country:** GR
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.TopOgraphy.OntheFly)
- **Website:** [https://s931b9c4c.app-ads-txt.com](https://s931b9c4c.app-ads-txt.com/)
- **Privacy policy:** [http://topographyonthefly.blogspot.com/search/label/Privacy%20Policy](http://topographyonthefly.blogspot.com/search/label/Privacy%20Policy)

## Description

**Topography On the Fly** is a powerful suite of land surveying tools designed to deliver complex and accurate surveying calculations directly on your mobile or tablet device. Supporting multiple languages including Greek, English, French, and Spanish, it ensures ease of use for professionals worldwide.

This extension simplifies data collection on the field with a user-friendly interface optimized for work under pressure. It supports angular measurements in gradians and decimal degrees and offers a variety of surveying tasks such as the direct and inverse geodetic problems, forward intersection, resection methods, inaccessible points, line and circle intersections, tacheometry, trigonometric leveling, and more. Whether you use a simple total station or advanced GPS equipment, this tool adapts seamlessly to your needs.

Ideal for land surveyors, civil engineers, topographers, and land engineers, it enhances fieldwork accuracy and efficiency. Additionally, users can download complementary applications like "Geodetic NET," "Surveying In the Field," and "Topographia Classic" from Google Play to extend functionality.

Don't forget to rate the app and provide feedback to help improve the experience.

## Rankings

- #193,059 — Overall

## Review summary

Users praise Topography On the Fly as a reliable, user-friendly app that simplifies and accelerates surveying tasks, providing accurate coordinate calculations that work well in the field. Many find it a solid alternative to programmable calculators. However, multiple users note it lacks area computation features and an integrated point database, and there can be input issues with azimuth bearing formats involving minutes and seconds. Some also suggest improving terminology by reducing abbreviations.

### Pros

- Very useful and reliable for surveyors in the field
- Simplifies and speeds up surveying calculations and coordinate computations
- User-friendly and intuitive interface with helpful graphics
- Accurate results consistent with professional CAD and data collector checks
- Good replacement or supplement to programmable calculators

### Cons

- Lacks area computation functionality
- Some confusion or errors when entering azimuth bearings with minutes and seconds
- No integrated point database to manage survey points
- Use of abbreviations may be confusing for some users

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.TopOgraphy.OntheFly)