# SECURETRACK X vs Sirb NSS

SECURETRACK X and Sirb NSS are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | SECURETRACK X | Sirb NSS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 162 MB | 159 MB |
| Requires iOS | 13 | 13 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SECURETRACK GLOBAL POSITIONING SYSTEMS TRADING L.L.C](https://appshunter.io/developer/1830673576) | [National Security Systems](https://appshunter.io/developer/1837676198) |

## What reviewers say

### SECURETRACK X

[App page](https://appshunter.io/ios/app/securetrack-x/id6749478965)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sirb NSS

[App page](https://appshunter.io/ios/app/sirb-nss/id6751953007)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SECURETRACK X free?

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

### Is Sirb NSS free?

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

### Do SECURETRACK X or Sirb NSS have ads?

Neither SECURETRACK X nor Sirb NSS shows ads.

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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.*