# QUONDA Manager vs sTEM controller

The clearest difference is update cadence: QUONDA Manager at every 2 months against sTEM controller's every 5 months. QUONDA Manager also leads on iOS requirement (13.0 vs 17.0). 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.

QUONDA Manager ships an update every 2 months, sTEM controller every 5 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | QUONDA Manager | sTEM controller |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 23 MB | 29 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [3 Tree Solutions](https://appshunter.io/developer/1487096214) | [Temcompany ApS](https://appshunter.io/developer/1700820640) |

## What reviewers say

### QUONDA Manager

[App page](https://appshunter.io/ios/app/quonda-manager/id1093725497)

**Features:** macOS Compatibility

**In-app purchases:** none


### sTEM controller

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

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

**In-app purchases:** none


## Frequently asked questions

### Is QUONDA Manager free?

QUONDA Manager 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 QUONDA Manager or sTEM controller have ads?

Neither QUONDA Manager nor sTEM controller shows ads.

### Which is updated more often, QUONDA Manager or sTEM controller?

QUONDA Manager ships an update every 2 months, and sTEM controller every 5 months. Most recently, QUONDA Manager was updated on October 29, 2026 and sTEM controller on October 30, 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.*