# Sentek Probe Utility vs Ground Support

The clearest difference is update cadence: Ground Support at every 3 months against Sentek Probe Utility's every 17 months. Sentek Probe Utility'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.

Sentek Probe Utility ships an update every 17 months, Ground Support every 3 months. The most recent releases landed on August 1, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | Sentek Probe Utility | Ground Support |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Size | 6 MB | 34 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sentek Pty Ltd](https://appshunter.io/developer/1349594833) | [DSI UNDERGROUND AUSTRALIA PTY LIMITED](https://appshunter.io/developer/1495730468) |

## What reviewers say

### Sentek Probe Utility

[App page](https://appshunter.io/ios/app/sentek-probe-utility/id1493878280)

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

**In-app purchases:** none


### Ground Support

[App page](https://appshunter.io/ios/app/ground-support/id1495730469)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sentek Probe Utility free?

Sentek Probe Utility is free to download, with no in-app purchases.

### Is Ground Support free?

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

### Do Sentek Probe Utility or Ground Support have ads?

Neither Sentek Probe Utility nor Ground Support shows ads.

### Which is updated more often, Sentek Probe Utility or Ground Support?

Sentek Probe Utility ships an update every 17 months, and Ground Support every 3 months. Most recently, Sentek Probe Utility was updated on August 1, 2026 and Ground Support on May 15, 2026.

---

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