# Voltcraft SEM6000 vs IceCube Plug

The clearest difference is update cadence: Voltcraft SEM6000 at every 3 months against IceCube Plug's every 13 months. Voltcraft SEM6000 also leads on iOS requirement (12.0 vs 15.1). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Voltcraft SEM6000 ships an update every 3 months, IceCube Plug every 13 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Voltcraft SEM6000 | IceCube Plug |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **55.8% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 7 MB | 28 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CEI Conrad Electronic International (HK) Limited](https://appshunter.io/developer/756357900) | [Plug-in Festivals GmbH](https://appshunter.io/developer/1551608363) |

## What reviewers say

### Voltcraft SEM6000

[App page](https://appshunter.io/ios/app/voltcraft-sem6000/id1280855960)

Control plug-in devices remotely from your smartphone or tablet. Monitor real-time and historical power consumption to identify energy waste and save on electricity bills. Create a safer, more responsive home environment and promote eco-awareness.

**Highlights:** Remote device control, Real-time power consumption monitoring, Historical power usage data, Identify power vampires, Energy saving insights, Eco-awareness promotion

**Features:** macOS Compatibility

**In-app purchases:** none


### IceCube Plug

[App page](https://appshunter.io/ios/app/icecube-plug-in-festivals/id1551608361)

Control and monitor your IceCube device directly from your smartphone. Check the current temperature and adjust settings remotely for optimal convenience.

**Highlights:** Connect IceCube to smartphone, Check current temperature, Change device settings, Remote monitoring, Smartphone integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Voltcraft SEM6000 free?

Voltcraft SEM6000 is free to download, with no in-app purchases.

### Is IceCube Plug free?

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

### Do Voltcraft SEM6000 or IceCube Plug have ads?

Neither Voltcraft SEM6000 nor IceCube Plug shows ads.

### Which is updated more often, Voltcraft SEM6000 or IceCube Plug?

Voltcraft SEM6000 ships an update every 3 months, and IceCube Plug every 13 months. Most recently, Voltcraft SEM6000 was updated on October 14, 2026 and IceCube Plug on October 7, 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.*