# KKT KOLBE vs KACO Device Manager

The clearest difference is iOS requirement: KKT KOLBE at 9.0 against KACO Device Manager's 12.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | KKT KOLBE | KACO Device Manager |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 32 MB | 32 MB |
| Requires iOS | **9.0** | 12.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHENZHEN SHUOXINDA TECHNOLOGY Co., Ltd.](https://appshunter.io/developer/1650343340) | [KACO new energy GmbH](https://appshunter.io/developer/376799826) |

## What reviewers say

### KKT KOLBE

[App page](https://appshunter.io/ios/app/kkt-kolbe/id6449969333)

Monitor your photovoltaic energy storage system with advanced data collection and analysis. View dynamic graphs and add devices easily for a clear understanding of your energy usage.

**Highlights:** Advanced data monitoring, Dynamic graph display, Clear data visualization, One-click device addition, Professional data analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### KACO Device Manager

[App page](https://appshunter.io/ios/app/kaco-device-manager/id6504056973)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KKT KOLBE free?

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

### Is KACO Device Manager free?

KACO Device Manager is free to download, with no in-app purchases.

### Do KKT KOLBE or KACO Device Manager have ads?

Neither KKT KOLBE nor KACO Device Manager shows ads.

### Which is updated more often, KKT KOLBE or KACO Device Manager?

KKT KOLBE ships an update every 2 months, and KACO Device Manager every 2 months. Most recently, KKT KOLBE was updated on October 24, 2026 and KACO Device Manager on October 27, 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.*