# RiDATA vs KKT KOLBE

The clearest difference is review sentiment: RiDATA at 17% against KKT KOLBE's 0%. 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. Both last shipped on October 24, 2026.

## The numbers

| Metric | RiDATA | KKT KOLBE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/ridata/id1136069132/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **16.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 45 MB | 32 MB |
| Requires iOS | **8.0** | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siliconmotion](https://appshunter.io/developer/1050091822) | [SHENZHEN SHUOXINDA TECHNOLOGY Co., Ltd.](https://appshunter.io/developer/1650343340) |

## What reviewers say

### RiDATA

[App page](https://appshunter.io/ios/app/ridata/id1136069132)

Expand your iOS device's storage with an external RiDATA device. Easily transfer and manage photos, videos, audio, and documents across different platforms and devices.

**Highlights:** External storage device compatibility, File exchange across devices/platforms, Picture browser, Video player, Audio player, Document browser, Camera function

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RiDATA free?

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

### Is KKT KOLBE free?

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

### Do RiDATA or KKT KOLBE have ads?

Neither RiDATA nor KKT KOLBE shows ads.

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

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