# W8 system vs NDS Energy

The clearest difference is update cadence: W8 system at every 3 weeks against NDS Energy'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.

W8 system ships an update every 3 weeks, NDS Energy every 2 months. The most recent releases landed on October 29, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | W8 system | NDS Energy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 10 MB | 27 MB |
| Requires iOS | **13.0** | 13.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [eNBilab](https://appshunter.io/developer/489174136) | [DOMETIC MOBILE POWER ITALY S.r.l.](https://appshunter.io/developer/1715492783) |

## What reviewers say

### W8 system

[App page](https://appshunter.io/ios/app/w8-system/id1217423726)

**Features:** macOS Compatibility

**In-app purchases:** none


### NDS Energy

[App page](https://appshunter.io/ios/app/nds-energy/id1537808417)

Monitor and manage your N-BUS connected devices remotely. Control battery status, solar charging, and appliance consumption. Set up devices and update firmware directly from your smartphone.

**Highlights:** Monitor battery SoC and solar charging, Control appliance consumption, Turn devices on/off remotely, Set up devices with a touch, Update device firmware, Manage N-BUS connected devices

**In-app purchases:** none


## Frequently asked questions

### Is W8 system free?

W8 system is free to download, with no in-app purchases.

### Is NDS Energy free?

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

### Do W8 system or NDS Energy have ads?

Neither W8 system nor NDS Energy shows ads.

### Which is updated more often, W8 system or NDS Energy?

W8 system ships an update every 3 weeks, and NDS Energy every 2 months. Most recently, W8 system was updated on October 29, 2026 and NDS Energy on October 18, 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.*