# KKT KOLBE vs Datacasa

The clearest difference is in-app purchases: KKT KOLBE at none against Datacasa's 1. KKT KOLBE also leads on iOS requirement (9.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Datacasa sells 1 in-app purchase, starting at $59.99 per month. KKT KOLBE asks for nothing beyond the download.

KKT KOLBE ships an update every 2 months, Datacasa every 3 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | KKT KOLBE | Datacasa |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 32 MB | 65 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHENZHEN SHUOXINDA TECHNOLOGY Co., Ltd.](https://appshunter.io/developer/1650343340) | [Ivan Shaydenko](https://appshunter.io/developer/1757475271) |

## 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


### Datacasa

[App page](https://appshunter.io/ios/app/datacasa/id6547600506)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $59.99 | per month |


## Frequently asked questions

### Is KKT KOLBE free?

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

### Is Datacasa free?

Datacasa is free to download, with in-app purchases available.

### Do KKT KOLBE or Datacasa have ads?

Neither KKT KOLBE nor Datacasa shows ads.

### Which is updated more often, KKT KOLBE or Datacasa?

KKT KOLBE ships an update every 2 months, and Datacasa every 3 months. Most recently, KKT KOLBE was updated on October 24, 2026 and Datacasa on October 7, 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.*