# Clex Key vs NFC TagKit

The clearest difference is review sentiment: NFC TagKit at 100% against Clex Key's 50%. Clex Key's advantage is update cadence (every 2 months vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Clex Key ships an update every 2 months, NFC TagKit every 4 months. The most recent releases landed on September 21, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Clex Key | NFC TagKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/nfc-tagkit/id1593858521/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 18 MB | 8 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Uhlmann & Zacher GmbH](https://appshunter.io/developer/1413776543) | [CoreWillSoft GmbH](https://appshunter.io/developer/1593858523) |

## What reviewers say

### Clex Key

[App page](https://appshunter.io/ios/app/clex-key/id1500405117)

This app allows you to open and close electronic locking units using your smartphone via Bluetooth Low Energy. It ensures high security through a two-part invitation confirmation process. The updated version offers more efficient communication, stable performance, and an improved user interface.

**Highlights:** Unlock doors via Bluetooth, Receive mobile keys, Efficient communication with locking units, Improved user guidance, High security standards, Execute block requests

**Features:** macOS Compatibility

**In-app purchases:** none


### NFC TagKit

[App page](https://appshunter.io/ios/app/nfc-tagkit/id1593858521)

This app allows you to read and write data to various types of RFID tags. It can display detailed information about transponders and supports creating and writing NDEF records on MIFARE® DESFire® tags.

**Highlights:** Read transponder information (type, manufacturer, serial number), Display NDEF record data (URL, text, contact), Read data from MIFARE® DESFire® tags, Write files and NDEF records on MIFARE® DESFire® tags, Supports various tag types (MIFARE, Ntag, FeliCa, ISO)

**In-app purchases:** none


## Frequently asked questions

### Is Clex Key free?

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

### Is NFC TagKit free?

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

### Do Clex Key or NFC TagKit have ads?

Neither Clex Key nor NFC TagKit shows ads.

### Which is updated more often, Clex Key or NFC TagKit?

Clex Key ships an update every 2 months, and NFC TagKit every 4 months. Most recently, Clex Key was updated on September 21, 2026 and NFC TagKit on June 10, 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.*