# Gray Box Mobile vs K&Ö

The clearest difference is iOS requirement: K&Ö at 12.0 against Gray Box Mobile's 16.0. On price, update cadence, in-app purchases and device support there is nothing between them.

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

Gray Box Mobile ships an update every 9 months, K&Ö every 7 months. The most recent releases landed on June 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Gray Box Mobile | K&Ö |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-and-o/id6444117800/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 9 months | **Every 7 months** |
| Monetization | — | Free |
| Size | 176 MB | 36 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eleos Technologies LLC](https://appshunter.io/developer/455526816) | [Koerner & Oelkers GmbH](https://appshunter.io/developer/1652456900) |

## What reviewers say

### Gray Box Mobile

[App page](https://appshunter.io/ios/app/gray-box-mobile/id1471167151)

**In-app purchases:** none


### K&Ö

[App page](https://appshunter.io/ios/app/k-and-o/id6444117800)

This app facilitates communication and management for residential living. It connects residents, owners, and property managers for seamless housing operations. Key features include notifications, damage reporting, classified ads, direct messaging, and access to documents.

**Highlights:** Important notifications and deadlines, Smartphone damage reporting with photos, Classified ads for housing needs, Direct messaging within the community, Access to important documents 24/7, Regular advice articles for residents

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gray Box Mobile free?

Gray Box Mobile is free to download, with no in-app purchases.

### Is K&Ö free?

K&Ö is free to download, with no in-app purchases.

### Which is updated more often, Gray Box Mobile or K&Ö?

Gray Box Mobile ships an update every 9 months, and K&Ö every 7 months. Most recently, Gray Box Mobile was updated on June 21, 2026 and K&Ö on October 14, 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.*