# Huldenberg vs iLusmart

The clearest difference is update cadence: iLusmart at every 5 days against Huldenberg's fortnightly. 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.

Huldenberg ships an update fortnightly, iLusmart every 5 days. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Huldenberg | iLusmart |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 72.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Free |
| Size | 72 MB | 66 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Vlaamse overheid](https://appshunter.io/developer/664577169) | [iLumen](https://appshunter.io/developer/1624874121) |

## What reviewers say

### Huldenberg

[App page](https://appshunter.io/ios/app/huldenberg/id1499355948)

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Huldenberg free?

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

### Is iLusmart free?

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

### Do Huldenberg or iLusmart have ads?

Neither Huldenberg nor iLusmart shows ads.

### Which is updated more often, Huldenberg or iLusmart?

Huldenberg ships an update fortnightly, and iLusmart every 5 days. Most recently, Huldenberg was updated on October 8, 2026 and iLusmart on October 10, 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.*