# IWA  Smart Building System vs i.Charger

The clearest difference is update cadence: i.Charger at monthly against IWA  Smart Building System's every 24 months. i.Charger also leads on iOS requirement (12.0 vs 15.6). 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.

IWA  Smart Building System ships an update every 24 months, i.Charger monthly. The most recent releases landed on November 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | IWA  Smart Building System | i.Charger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Monthly** |
| Size | 63 MB | 53 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chicony power Technology Co.,Ltd.](https://appshunter.io/developer/1186590918) | [Trusted UPS Manufacturing Company](https://appshunter.io/developer/1632202346) |

## What reviewers say

### IWA  Smart Building System

[App page](https://appshunter.io/ios/app/iwa-smart-building-system/id1517579948)

**Features:** macOS Compatibility

**In-app purchases:** none


### i.Charger

[App page](https://appshunter.io/ios/app/icharger/id6470415426)

**In-app purchases:** none


## Frequently asked questions

### Is IWA  Smart Building System free?

IWA  Smart Building System is free to download, with no in-app purchases.

### Is i.Charger free?

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

### Do IWA  Smart Building System or i.Charger have ads?

Neither IWA  Smart Building System nor i.Charger shows ads.

### Which is updated more often, IWA  Smart Building System or i.Charger?

IWA  Smart Building System ships an update every 24 months, and i.Charger monthly. Most recently, IWA  Smart Building System was updated on November 7, 2026 and i.Charger on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*