# Voltaware Home vs N4 Building Concierge

The clearest difference is device support: Voltaware Home at 2 against N4 Building Concierge's —. N4 Building Concierge's advantage is iOS requirement (12.0 vs 17.0). On price 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.

## The numbers

| Metric | Voltaware Home | N4 Building Concierge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voltaware-home/id1035706288/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 16 MB | 38 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 17+ |
| Developer | [voltaware.com](https://appshunter.io/developer/982220384) | [TopLife Concierge](https://appshunter.io/developer/1486786834) |

## What reviewers say

### Voltaware Home

[App page](https://appshunter.io/ios/app/voltaware-home/id1035706288)

Monitor your home's energy usage in real-time to understand consumption patterns, identify excessive use, and reduce electricity costs. This service helps you lower your carbon footprint and save money on your electricity bill.

**Highlights:** Real-time electricity consumption viewing, Appliance-specific consumption breakdown, Daily/monthly energy consumption and cost tracking, Smart sensor for usage pattern detection, Carbon footprint reduction guidance

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

**In-app purchases:** none


### N4 Building Concierge

[App page](https://appshunter.io/ios/app/n4-building-concierge/id1628815663)

**In-app purchases:** none


## Frequently asked questions

### Is Voltaware Home free?

Voltaware Home is free to download, with no in-app purchases.

### Is N4 Building Concierge free?

N4 Building Concierge is free to download, with no in-app purchases.

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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.*