# FieldMaster Supervisor vs FastXY

The clearest difference is update cadence: FastXY at every 2 months against FieldMaster Supervisor's every 4 months. FieldMaster Supervisor's advantage is iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

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

FieldMaster Supervisor ships an update every 4 months, FastXY every 2 months. The most recent releases landed on August 27, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | FieldMaster Supervisor | FastXY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fastxy/id1637519441/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 23 MB | 96 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trimble Inc.](https://appshunter.io/developer/322561665) | [Discovery Management Group](https://appshunter.io/developer/1349983968) |

## What reviewers say

### FieldMaster Supervisor

[App page](https://appshunter.io/ios/app/fieldmaster-supervisor/id987403868)

**Features:** Vision Pro support

**In-app purchases:** none


### FastXY

[App page](https://appshunter.io/ios/app/fastxy/id1637519441)

This app enables high-accuracy GNSS data collection for professional surveying and GIS applications. It supports various data types, stake-out functions, and offline use, with multiple export options for seamless integration with other software.

**Highlights:** High-accuracy GNSS data collection, Point, line, and polygon data capture, Submeter or centimeter (RTK) accuracy, Stake-out feature, Offline data collection, Multiple export formats (CSV, shp, DXF/DWG), Feature/attribute/value pick lists

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FieldMaster Supervisor free?

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

### Is FastXY free?

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

### Do FieldMaster Supervisor or FastXY have ads?

Neither FieldMaster Supervisor nor FastXY shows ads.

### Which is updated more often, FieldMaster Supervisor or FastXY?

FieldMaster Supervisor ships an update every 4 months, and FastXY every 2 months. Most recently, FieldMaster Supervisor was updated on August 27, 2026 and FastXY on July 19, 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.*