# GvisionControl vs HammerHead OnSite

The clearest difference is update cadence: HammerHead OnSite at every 2 weeks against GvisionControl's every 5 weeks. HammerHead OnSite also leads on iOS requirement (12.0 vs 15.0). 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.

GvisionControl ships an update every 5 weeks, HammerHead OnSite every 2 weeks. The most recent releases landed on September 10, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | GvisionControl | HammerHead OnSite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 4 MB | 33 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Streaming Networks Inc.](https://appshunter.io/developer/1138421476) | [HammerHead Trenchless Equipment](https://appshunter.io/developer/606955225) |

## What reviewers say

### GvisionControl

[App page](https://appshunter.io/ios/app/gvisioncontrol/id1499339584)

**In-app purchases:** none


### HammerHead OnSite

[App page](https://appshunter.io/ios/app/hammerhead-onsite/id6504952035)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GvisionControl free?

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

### Is HammerHead OnSite free?

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

### Do GvisionControl or HammerHead OnSite have ads?

Neither GvisionControl nor HammerHead OnSite shows ads.

### Which is updated more often, GvisionControl or HammerHead OnSite?

GvisionControl ships an update every 5 weeks, and HammerHead OnSite every 2 weeks. Most recently, GvisionControl was updated on September 10, 2026 and HammerHead OnSite on September 16, 2026.

---

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