# Project HD vs K&Ö

The clearest difference is price: K&Ö at Free against Project HD's $0.99. K&Ö also leads on update cadence (every 7 months vs every 37 months) and device support (3 vs 1). Project HD's advantage is iOS requirement (9.0 vs 12.0). On ads and in-app purchases there is nothing between them.

K&Ö is free to download; Project HD costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Project HD ships an update every 37 months, K&Ö every 7 months. The most recent releases landed on June 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Project HD | K&Ö |
| --- | --- | --- |
| Price | $0.99 | **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 | No |
| Update frequency | Every 37 months | **Every 7 months** |
| Monetization | — | Free |
| Size | 2 MB | 36 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JOhn Lyons](https://appshunter.io/developer/571586394) | [Koerner & Oelkers GmbH](https://appshunter.io/developer/1652456900) |

## What reviewers say

### Project HD

[App page](https://appshunter.io/ios/app/project-hd/id720512266)

**Features:** macOS Compatibility

**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 Project HD free?

Project HD costs $0.99, with no in-app purchases.

### Is K&Ö free?

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

### Do Project HD or K&Ö have ads?

Neither Project HD nor K&Ö shows ads.

### Which is updated more often, Project HD or K&Ö?

Project HD ships an update every 37 months, and K&Ö every 7 months. Most recently, Project HD was updated on June 7, 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.*