# Partnerkaart vs Open!

Partnerkaart and Open! are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Partnerkaart ships an update monthly, Open! every 5 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Partnerkaart | Open! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 53 MB | 1 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TKM Grupp AS](https://appshunter.io/developer/1615988289) | [VitaNet Japan, Inc.](https://appshunter.io/developer/1560953732) |

## What reviewers say

### Partnerkaart

[App page](https://appshunter.io/ios/app/partnerkaart/id1615988287)

**Features:** macOS Compatibility

**In-app purchases:** none


### Open!

[App page](https://appshunter.io/ios/app/open/id6738834824)

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

**In-app purchases:** none


## Frequently asked questions

### Is Partnerkaart free?

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

### Is Open! free?

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

### Do Partnerkaart or Open! have ads?

Neither Partnerkaart nor Open! shows ads.

### Which is updated more often, Partnerkaart or Open!?

Partnerkaart ships an update monthly, and Open! every 5 weeks. Most recently, Partnerkaart was updated on November 3, 2026 and Open! on November 8, 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.*