# NSP Security vs Greystar UK

The clearest difference is iOS requirement: NSP Security at 11.0 against Greystar UK's 15.1. 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, Greystar UK every 4 weeks. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | NSP Security | Greystar UK |
| --- | --- | --- |
| 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 4 weeks** |
| Monetization | Free | — |
| Size | 34 MB | 50 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NSP Europe Ltd](https://appshunter.io/developer/1314860745) | [Greystar Real Estate Partners LLC](https://appshunter.io/developer/1367539857) |

## What reviewers say

### NSP Security

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

Unlock doors using your smartphone via Bluetooth. Securely manage access rights for users and track entry events in real-time. This system integrates with existing RFID readers for comprehensive control.

**Highlights:** Unlock doors with smartphone, Bluetooth Low Energy (BLE) access, Securely issue and revoke access rights, Real-time event logging and transmission, Integrates with RFID readers, User-friendly mobile application

**Features:** macOS Compatibility

**In-app purchases:** none


### Greystar UK

[App page](https://appshunter.io/ios/app/greystar-uk/id6746193747)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is NSP Security free?

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

### Is Greystar UK free?

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

### Do NSP Security or Greystar UK have ads?

Neither NSP Security nor Greystar UK shows ads.

### Which is updated more often, NSP Security or Greystar UK?

NSP Security ships an update every 6 weeks, and Greystar UK every 4 weeks. Most recently, NSP Security was updated on October 14, 2026 and Greystar UK on October 11, 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.*