# FieldMaster Supervisor vs Flex TRG

The clearest difference is update cadence: Flex TRG at weekly against FieldMaster Supervisor's every 4 months. FieldMaster Supervisor's advantage is iOS requirement (13.0 vs 15.1). 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, Flex TRG weekly. The most recent releases landed on August 27, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | FieldMaster Supervisor | Flex TRG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 23 MB | 56 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trimble Inc.](https://appshunter.io/developer/322561665) | [Agnitu LLC.](https://appshunter.io/developer/1570813165) |

## What reviewers say

### FieldMaster Supervisor

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

**Features:** Vision Pro support

**In-app purchases:** none


### Flex TRG

[App page](https://appshunter.io/ios/app/flex-trg/id6504161043)

**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 Flex TRG free?

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

### Do FieldMaster Supervisor or Flex TRG have ads?

Neither FieldMaster Supervisor nor Flex TRG shows ads.

### Which is updated more often, FieldMaster Supervisor or Flex TRG?

FieldMaster Supervisor ships an update every 4 months, and Flex TRG weekly. Most recently, FieldMaster Supervisor was updated on August 27, 2026 and Flex TRG on September 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.*