# iLusmart vs Qbus Building Control

The clearest difference is update cadence: iLusmart at every 5 days against Qbus Building Control's every 2 months. 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.

iLusmart ships an update every 5 days, Qbus Building Control every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iLusmart | Qbus Building Control |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 72.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free | — |
| Size | 66 MB | 312 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iLumen](https://appshunter.io/developer/1624874121) | [Qbus](https://appshunter.io/developer/1229835233) |

## What reviewers say

### iLusmart

[App page](https://appshunter.io/ios/app/ilusmart/id1538996243)

Monitor your digital energy meter's consumption and energy flows. Gain insights into your usage patterns and receive advice to save on your energy bills. Expand functionality with modules for solar panels, battery storage, and EV charging.

**Highlights:** Digital energy meter monitoring, Consumption and energy flow visualization, Savings advice, Solar panel module, Battery storage module, EV charging module

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

**In-app purchases:** none


### Qbus Building Control

[App page](https://appshunter.io/ios/app/qbus-building-control/id6762758888)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iLusmart free?

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

### Is Qbus Building Control free?

Qbus Building Control is free to download, with no in-app purchases.

### Do iLusmart or Qbus Building Control have ads?

Neither iLusmart nor Qbus Building Control shows ads.

### Which is updated more often, iLusmart or Qbus Building Control?

iLusmart ships an update every 5 days, and Qbus Building Control every 2 months. Most recently, iLusmart was updated on October 24, 2026 and Qbus Building Control on October 25, 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.*