# NSP Security vs Zennio Key

The clearest difference is iOS requirement: NSP Security at 13.0 against Zennio Key's 15.0. On price, update cadence, 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.

NSP Security ships an update every 6 weeks, Zennio Key every 3 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | NSP Security | Zennio Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/nsp-security/id1314860746/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 8.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 23 MB | 24 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NSP Europe Ltd](https://appshunter.io/developer/1314860745) | [Zennio](https://appshunter.io/developer/665852768) |

## What reviewers say

### NSP Security

[App page](https://appshunter.io/ios/app/nsp-security/id1314860746)

This app enables smartphone-based access to facilities using Bluetooth Low Energy, replacing traditional cards or fobs. It securely manages user access rights and logs door events in real-time for facility managers.

**Highlights:** Smartphone door access via Bluetooth, Securely issue and revoke access rights, Real-time event logging, Integration with RFID readers, User-friendly interface

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

**In-app purchases:** none


### Zennio Key

[App page](https://appshunter.io/ios/app/zennio-key/id1563903560)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NSP Security free?

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

### Is Zennio Key free?

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

### Do NSP Security or Zennio Key have ads?

Neither NSP Security nor Zennio Key shows ads.

### Which is updated more often, NSP Security or Zennio Key?

NSP Security ships an update every 6 weeks, and Zennio Key every 3 weeks. Most recently, NSP Security was updated on November 6, 2026 and Zennio Key on November 7, 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.*