# Survey One: Survey to AutoCAD — AutoCAD Export, GPS Survey

> AutoCAD Export, GPS Survey (iPhone/iPad app by Ngoc Tung Nguyen.)

- Source: https://appshunter.io/ios/app/survey-one/id6755945244 (this page in markdown: same URL + `.md`)
- Developer: [Ngoc Tung Nguyen](https://appshunter.io/developer/1123458177)
- Category: Utilities, Graphics & Design
- Price: Free with in-app purchases
- Age rating: 12+
- Requires: iOS 17.6 · 6 MB
- Languages: American English
- Released: 2025-12-12
- Data updated: 2026-02-25
- User reviews in markdown: https://appshunter.io/ios/app/survey-one/id6755945244/reviews.md

## What is Survey One?

Professional surveying application for engineers working in electrical, water, transportation, telecommunications, GIS, and infrastructure projects.

Survey One is a comprehensive field-to-CAD solution for surveying, design, supervision, and documentation — all directly on your iPhone.

No computer.
No Google Earth.
No AutoCAD offsets.
No Civil 3D required.

Everything is handled directly in the app.

Core Capabilities

Survey One provides complete surveying and design workflows with full DXF (AutoCAD) export support, including:

• Points (with coordinates and attributes)
• Text annotations
• Roads and road offsets
• Houses and structures
• Contour lines
• Blocks (custom symbols with block names)
• Full layer management

Designed for high-accuracy survey lines up to 15 km.

Main Features

• Survey and mark point coordinates
• Record detailed information for each point
• Capture images directly at the marked location
• Use icons as CAD blocks (block name = symbol name)
• Export NNT files (modern survey data format)
• Export KML files (compatible with Google Earth & Windows)
• Convert KML ↔ NNT formats
• Receive and open shared files from any source
• Edit and delete survey points easily
• Export professional DXF files for AutoCAD
• Full layer structure: points, text, roads, offsets, contour lines
• Support custom block definitions from external drawings
• Open large projects smoothly

Who Is It For?

• Transportation engineering
• Power & energy projects
• Surveying & geodesy
• Construction & infrastructure
• Telecommunications
• GIS professionals
• General infrastructure development

Particularly suitable for design and supervision of construction projects.

Why Choose Survey One?

• Covers core requirements for engineering fieldwork
• Professional DXF output ready for AutoCAD
• Fast, lightweight, and accurate
• Cost-effective compared to traditional workflows
• Opens large files smoothly
• Does not collect user data

Survey One is a reliable field-to-CAD solution for modern engineering projects.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium | $200.00 | one-time |
| One-Time Export for 1–3 km Survey | $1.99 | one-time |
| One-Time Export for 3–5 km Survey | $3.99 | one-time |
| One-Time Export for 5–10 km Survey | $6.99 | one-time |
| Unlimited Export – Monthly | $44.99 | one-time |
| One-Time Export for 1–3 km Survey | $12.99 | one-time |
| Quarterly Plan | $109.00 | one-time |
| 12 Days Plan | $27.99 | one-time |



## Version history (last 4 releases)

### 2.1 — 2026-02-24

Everything is now integrated into Survey One — survey and export DXF in one complete application. Survey C-Plus is no longer required.

### 1.12 — 2026-01-05

Fix payment issues caused by poor connection

### 1.1 — 2025-12-23

Automatic color adjustment for iPhone dark mode.

Automatic language adaptation by country.

### 1.0 — 2025-12-12

No release notes.

## More apps by Ngoc Tung Nguyen

- [Silent Ball: Triple modes](https://appshunter.io/ios/app/silent-ball/id1148098948)
- [Maze: A New Definition](https://appshunter.io/ios/app/maze/id1151910577)
- [Survey C-Plus: AutoCAD Export](https://appshunter.io/ios/app/survey-c/id6756013455)

All apps by Ngoc Tung Nguyen: https://appshunter.io/developer/1123458177

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-02-25.*