# LUKB Key vs LUPK

The clearest difference is update cadence: LUKB Key at every 3 months against LUPK's every 29 months. LUPK's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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.

LUKB Key ships an update every 3 months, LUPK every 29 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | LUKB Key | LUPK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 29 months |
| Size | 36 MB | 97 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Luzerner Kantonalbank](https://appshunter.io/developer/364591552) | [SwissPension AG](https://appshunter.io/developer/1575566749) |

## What reviewers say

### LUKB Key

[App page](https://appshunter.io/ios/app/lukb-key/id1256976611)

**In-app purchases:** none


### LUPK

[App page](https://appshunter.io/ios/app/lupk/id1440148955)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LUKB Key free?

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

### Is LUPK free?

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

### Do LUKB Key or LUPK have ads?

Neither LUKB Key nor LUPK shows ads.

### Which is updated more often, LUKB Key or LUPK?

LUKB Key ships an update every 3 months, and LUPK every 29 months. Most recently, LUKB Key was updated on October 6, 2026 and LUPK on October 5, 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.*