# Key vs uCreate NFC

The clearest difference is update cadence: uCreate NFC at every 2 days against Key's every 4 months. uCreate NFC also leads on iOS requirement (14.1 vs 17.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Key ships an update every 4 months, uCreate NFC every 2 days. The most recent releases landed on June 7, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Key | uCreate NFC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/ucreate-nfc/id1571015803/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 18 MB | 8 MB |
| Requires iOS | 17.0 | **14.1** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Interflex Datensysteme GmbH](https://appshunter.io/developer/1150331434) | [Identiv, Inc.](https://appshunter.io/developer/655015409) |

## What reviewers say

### Key

[App page](https://appshunter.io/ios/app/key/id1150331435)

Transform your iPhone into a mobile ID card for convenient door access. Securely register your credentials and use your phone to open doors, leveraging advanced encrypted transfer technology.

**Highlights:** Smartphone as mobile ID, Convenient door opening, Secure credential transfer, iPhone integration, Requires Interflex software

**In-app purchases:** none


### uCreate NFC

[App page](https://appshunter.io/ios/app/ucreate-nfc/id1571015803)

This app simplifies NFC application development by allowing users to program NFC tags. It enables developers to read and write basic commands, store NDEF messages with URI records, and test NFC-enabled applications.

**Highlights:** Program NFC tags, Read/write basic NFC commands, Store/read NDEF messages with URI records, Develop, prototype, and test NFC apps, Supports NFC Forum tag types 2, 4, and 5, Includes SDK and documentation

**In-app purchases:** none


## Frequently asked questions

### Is Key free?

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

### Is uCreate NFC free?

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

### Do Key or uCreate NFC have ads?

Neither Key nor uCreate NFC shows ads.

### Which is updated more often, Key or uCreate NFC?

Key ships an update every 4 months, and uCreate NFC every 2 days. Most recently, Key was updated on June 7, 2026 and uCreate NFC on September 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.*