# KPM Config vs NuWatt

The clearest difference is update cadence: NuWatt at monthly against KPM Config's every 3 months. KPM Config's advantage is iOS requirement (12.0 vs 16.1). 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.

KPM Config ships an update every 3 months, NuWatt monthly. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | KPM Config | NuWatt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nuwatt/id6753146263/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free |
| Size | 12 MB | 71 MB |
| Requires iOS | **12.0** | 16.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Henan Compere Smart Technology Co., Ltd.](https://appshunter.io/developer/1551573056) | [Ali Zein Aldine](https://appshunter.io/developer/1827906365) |

## What reviewers say

### KPM Config

[App page](https://appshunter.io/ios/app/kpm-config/id1664053550)

**Features:** macOS Compatibility

**In-app purchases:** none


### NuWatt

[App page](https://appshunter.io/ios/app/nuwatt/id6753146263)

Monitor, understand, and optimize your solar energy system with real-time insights. Track production, battery status, and energy consumption. Receive smart alerts and manage multiple sites.

**Highlights:** Solar & Battery Monitoring, Energy Usage & Consumption Tracking, System Health & Performance Insights, Smart Alerts & Notifications, Installer & Multi-Site Management, Cross-Brand Compatibility, Weather-Aware Insights

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

**In-app purchases:** none


## Frequently asked questions

### Is KPM Config free?

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

### Is NuWatt free?

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

### Do KPM Config or NuWatt have ads?

Neither KPM Config nor NuWatt shows ads.

### Which is updated more often, KPM Config or NuWatt?

KPM Config ships an update every 3 months, and NuWatt monthly. Most recently, KPM Config was updated on October 8, 2026 and NuWatt on October 2, 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.*