# Upkey vs Koncreto

The clearest difference is update cadence: Upkey at every 10 days against Koncreto's every 2 months. 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.

Upkey ships an update every 10 days, Koncreto every 2 months. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Upkey | Koncreto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/upkey/id1455347026/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free | — |
| Size | 34 MB | 47 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omnitec Systems, S.L.](https://appshunter.io/developer/1161331601) | [Loop 4 Solutions](https://appshunter.io/developer/1418729643) |

## What reviewers say

### Upkey

[App page](https://appshunter.io/ios/app/upkey/id1455347026)

This application allows hotels to integrate BLE devices and smartphones into their access control system. It facilitates the generation and sending of electronic keys from reception software or a smartphone for emergency access.

**Highlights:** BLE device integration, Smartphone access control, Electronic key generation, Bluetooth opening via smartphone, Access audit replication, Security level management

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Koncreto

[App page](https://appshunter.io/ios/app/koncreto/id6777190885)

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

**In-app purchases:** none


## Frequently asked questions

### Is Upkey free?

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

### Is Koncreto free?

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

### Do Upkey or Koncreto have ads?

Neither Upkey nor Koncreto shows ads.

### Which is updated more often, Upkey or Koncreto?

Upkey ships an update every 10 days, and Koncreto every 2 months. Most recently, Upkey was updated on November 2, 2026 and Koncreto on October 28, 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.*