# WatchNET IoT vs sTEM controller

WatchNET IoT and sTEM controller are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WatchNET IoT ships an update every 3 months, sTEM controller every 5 months. The most recent releases landed on September 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | WatchNET IoT | sTEM controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watchnet-iot/id1537587306/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | — |
| Size | 116 MB | 31 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Watchnet Inc.](https://appshunter.io/developer/366176722) | [Temcompany ApS](https://appshunter.io/developer/1700820640) |

## What reviewers say

### WatchNET IoT

[App page](https://appshunter.io/ios/app/watchnet-iot/id1537587306)

Monitor environmental data from anywhere using trending LoRA wireless sensors. This app bridges technology and industry with economical, simple wireless sensor solutions for commercial and industrial use. It offers ready-to-deploy, self-installable options for monitoring assets.

**Highlights:** Cloud data monitoring, LoRA wireless sensors, Business and asset tracking, Remote access, Economical sensor solutions, Self-installable sensors

**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 WatchNET IoT free?

WatchNET IoT 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 WatchNET IoT or sTEM controller have ads?

Neither WatchNET IoT nor sTEM controller shows ads.

### Which is updated more often, WatchNET IoT or sTEM controller?

WatchNET IoT ships an update every 3 months, and sTEM controller every 5 months. Most recently, WatchNET IoT was updated on September 25, 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.*