# MM vs KKS

The clearest difference is update cadence: KKS at monthly against MM's every 13 months. On price, ads, in-app purchases and monetization model there is nothing between them.

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

MM ships an update every 13 months, KKS monthly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | MM | KKS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kks/id1410785228/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | Free | Free |
| Size | 10 MB | 156 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Benning Elektrotechnik und Elektronik GmbH & Co KG](https://appshunter.io/developer/1178975949) | [TIPWARE GmbH](https://appshunter.io/developer/588340641) |

## What reviewers say

### MM

[App page](https://appshunter.io/ios/app/mm-cm-link/id1123424956)

This app allows you to wirelessly transfer, view, and store measurement data from compatible BENNING digital multimeters and current clamp meters to your iOS device. Monitor changes in real-time, store data for projects, and share it in CSV format for further analysis.

**Highlights:** Wireless data transfer via Bluetooth LE, Real-time monitoring of measured values, Data visualization in line diagrams and tables, Store measurement series by project, Share data in CSV format via email, Read data from device loggers

**Features:** macOS Compatibility

**In-app purchases:** none


### KKS

[App page](https://appshunter.io/ios/app/kks/id1410785228)

This app deciphers Power Plant Identification System (KKS) codes, providing essential system information for power generation facilities. It aids in the design, operation, maintenance, and service of power plants by offering a standardized identification system for equipment.

**Highlights:** Deciphers KKS codes, Provides system information, Supports VGB standards, Identifies plant equipment, Useful for power generation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MM free?

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

### Is KKS free?

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

### Do MM or KKS have ads?

Neither MM nor KKS shows ads.

### Which is updated more often, MM or KKS?

MM ships an update every 13 months, and KKS monthly. Most recently, MM was updated on October 24, 2026 and KKS on October 29, 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.*