# Nemo Active Testing App vs Market Control for Shelly

The clearest difference is in-app purchases: Nemo Active Testing App at none against Market Control for Shelly's 1. Market Control for Shelly's advantage is update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Market Control for Shelly sells 1 in-app purchase, starting at $4.99 per month. Nemo Active Testing App asks for nothing beyond the download.

Nemo Active Testing App ships an update every 4 months, Market Control for Shelly monthly. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Nemo Active Testing App | Market Control for Shelly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 6 MB | 50 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keysight Technologies Finland oy](https://appshunter.io/developer/1101665531) | [Salmenlinna Oy](https://appshunter.io/developer/1795699097) |

## What reviewers say

### Nemo Active Testing App

[App page](https://appshunter.io/ios/app/nemo-active-testing-app/id1600487632)

**In-app purchases:** none


### Market Control for Shelly

[App page](https://appshunter.io/ios/app/market-control-for-shelly/id6741806820)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Unlimited devices | $4.99 | per month |


## Frequently asked questions

### Is Nemo Active Testing App free?

Nemo Active Testing App is free to download, with no in-app purchases.

### Is Market Control for Shelly free?

Market Control for Shelly is free to download, with in-app purchases available.

### Do Nemo Active Testing App or Market Control for Shelly have ads?

Neither Nemo Active Testing App nor Market Control for Shelly shows ads.

### Which is updated more often, Nemo Active Testing App or Market Control for Shelly?

Nemo Active Testing App ships an update every 4 months, and Market Control for Shelly monthly. Most recently, Nemo Active Testing App was updated on September 17, 2026 and Market Control for Shelly on September 16, 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.*