# Westnet GO! vs sTEM controller

The clearest difference is update cadence: Westnet GO! at every 9 days against sTEM controller's every 5 months. sTEM controller's advantage is iOS requirement (13.0 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.

Westnet GO! ships an update every 9 days, sTEM controller every 5 months. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Westnet GO! | sTEM controller |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 months |
| Size | 104 MB | 31 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Westnet, Inc.](https://appshunter.io/developer/1440089246) | [Temcompany ApS](https://appshunter.io/developer/1700820640) |

## What reviewers say

### Westnet GO!

[App page](https://appshunter.io/ios/app/westnet-go/id1440089247)

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

**In-app purchases:** none


### sTEM controller

[App page](https://appshunter.io/ios/app/stem-controller/id6457210066)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Westnet GO! free?

Westnet GO! is free to download, with no in-app purchases.

### Is sTEM controller free?

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

### Do Westnet GO! or sTEM controller have ads?

Neither Westnet GO! nor sTEM controller shows ads.

### Which is updated more often, Westnet GO! or sTEM controller?

Westnet GO! ships an update every 9 days, and sTEM controller every 5 months. Most recently, Westnet GO! was updated on September 30, 2026 and sTEM controller on October 12, 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.*