# Topcon Field Mobile vs TopLayout

The clearest difference is iOS requirement: TopLayout at 14.0 against Topcon Field Mobile's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Topcon Field Mobile ships an update every 4 months, TopLayout every 3 months. The most recent releases landed on July 17, 2026 and May 18, 2026 respectively.

## The numbers

| Metric | Topcon Field Mobile | TopLayout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (17 ratings)](https://appshunter.io/ios/app/topcon-field-mobile/id1029831646/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 609 MB | 47 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Topcon Positioning Systems, Inc.](https://appshunter.io/developer/667040500) | [TOPCON CORPORATION](https://appshunter.io/developer/1518903564) |

## What reviewers say

### Topcon Field Mobile

[App page](https://appshunter.io/ios/app/topcon-field-mobile/id1029831646)

This app facilitates precise design layout and field measurements using Topcon/Sokkia Total Stations and GNSS receivers. It offers real-time positioning for guided navigation to project points and secure file exchange through a company account.

**Highlights:** Precise design layout, Field measurements, Assisted navigation, Real-time positioning, Secure file exchange, Company account login

**Features:** macOS Compatibility

**In-app purchases:** none


### TopLayout

[App page](https://appshunter.io/ios/app/toplayout/id1518903562)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Topcon Field Mobile free?

Topcon Field Mobile is free to download, with no in-app purchases.

### Is TopLayout free?

TopLayout is free to download, with no in-app purchases.

### Do Topcon Field Mobile or TopLayout have ads?

Neither Topcon Field Mobile nor TopLayout shows ads.

### Which is updated more often, Topcon Field Mobile or TopLayout?

Topcon Field Mobile ships an update every 4 months, and TopLayout every 3 months. Most recently, Topcon Field Mobile was updated on July 17, 2026 and TopLayout on May 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*