# GfK Check vs MutterKindApp

The clearest difference is price: MutterKindApp at Free against GfK Check's $1.99. MutterKindApp also leads on update cadence (every 22 months vs every 45 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

MutterKindApp is free to download; GfK Check costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GfK Check ships an update every 45 months, MutterKindApp every 22 months. Both last shipped on October 1, 2026.

## The numbers

| Metric | GfK Check | MutterKindApp |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 22 months** |
| Monetization | Paid | — |
| Size | 4 MB | 89 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iConsultancy](https://appshunter.io/developer/409908147) | [inside Verlag UG (haftungsbeschrankt)](https://appshunter.io/developer/1524301851) |

## What reviewers say

### GfK Check

[App page](https://appshunter.io/ios/app/gfk-check-in/id490162961)

This app guides users through self-connection and communication using the Nonviolent Communication model. It helps identify observations, feelings, needs, and requests to transform stress into harmony and inner peace. Users can save and share their communication insights.

**Highlights:** Nonviolent Communication model guidance, Identify observations, feelings, needs, and requests, Transform stress into harmony, Save and share communication insights, Step-by-step guided process, Pre-defined lists for observations, feelings, needs, and requests

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

**In-app purchases:** none


### MutterKindApp

[App page](https://appshunter.io/ios/app/mutterkindapp/id1524301849)

**In-app purchases:** none


## Frequently asked questions

### Is GfK Check free?

GfK Check costs $1.99, with no in-app purchases.

### Is MutterKindApp free?

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

### Do GfK Check or MutterKindApp have ads?

Neither GfK Check nor MutterKindApp shows ads.

### Which is updated more often, GfK Check or MutterKindApp?

GfK Check ships an update every 45 months, and MutterKindApp every 22 months. Most recently, GfK Check was updated on October 1, 2026 and MutterKindApp on October 1, 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.*