# B vs iLusmart

The clearest difference is update cadence: iLusmart at every 5 days against B's every 5 months. iLusmart also leads on iOS requirement (15.6 vs 17.6). 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.

B ships an update every 5 months, iLusmart every 5 days. The most recent releases landed on September 23, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | B | iLusmart |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 72.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 28 MB | 66 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GVL-Technics](https://appshunter.io/developer/1498251182) | [iLumen](https://appshunter.io/developer/1624874121) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-logicx/id587424219)

**Features:** macOS Compatibility

**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 B free?

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

### Is iLusmart free?

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

### Do B or iLusmart have ads?

Neither B nor iLusmart shows ads.

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

B ships an update every 5 months, and iLusmart every 5 days. Most recently, B was updated on September 23, 2026 and iLusmart on October 14, 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.*