# FieldMaster Supervisor vs Heimdall widget

The clearest difference is device support: Heimdall widget at 4 against FieldMaster Supervisor's 2. FieldMaster Supervisor's advantage is iOS requirement (13.0 vs 15.0). On price, 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.

## The numbers

| Metric | FieldMaster Supervisor | Heimdall widget |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 23 MB | 3 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Trimble Inc.](https://appshunter.io/developer/322561665) | [Judicael Anouma](https://appshunter.io/developer/1590732556) |

## What reviewers say

### FieldMaster Supervisor

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

**Features:** Vision Pro support

**In-app purchases:** none


### Heimdall widget

[App page](https://appshunter.io/ios/app/heimdall-widget/id1590733748)

**Features:** Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is FieldMaster Supervisor free?

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

### Is Heimdall widget free?

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

### Do FieldMaster Supervisor or Heimdall widget have ads?

Neither FieldMaster Supervisor nor Heimdall widget shows ads.

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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.*