# Critical Trac™ vs GRTech Beacon 4.0/5.0 NTRIP

The clearest difference is rating: GRTech Beacon 4.0/5.0 NTRIP at 5.0 against Critical Trac™'s 3.0. Critical Trac™'s advantage is iOS requirement (10 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

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

GRTech Beacon 4.0/5.0 NTRIP holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Critical Trac™ ships an update every 6 months, GRTech Beacon 4.0/5.0 NTRIP every 9 months. The most recent releases landed on October 16, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Critical Trac™ | GRTech Beacon 4.0/5.0 NTRIP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/critical-trac/id943123034/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grtech-beacon-4050-ntrip/id1554035818/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 25 MB | 5 MB |
| Requires iOS | **10** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crisis24 Inc](https://appshunter.io/developer/594484070) | [Glacial Ridge Technologies](https://appshunter.io/developer/1023201605) |

## What reviewers say

### Critical Trac™

[App page](https://appshunter.io/ios/app/critical-trac/id943123034)

This app transforms your smart device into a tracking solution for your organization's security team. It offers a one-touch panic button, check-in feature, and two-way messaging with security personnel. Location ping rates are configurable to optimize battery life.

**Highlights:** One-touch panic button, One-touch check-in, Two-way messaging with security, Configurable location ping rates, Real-time monitoring by security centers

**Features:** macOS Compatibility

**In-app purchases:** none


### GRTech Beacon 4.0/5.0 NTRIP

[App page](https://appshunter.io/ios/app/grtech-beacon-4050-ntrip/id1554035818)

This client app provides RTK corrections to compatible GPS receivers. It is designed for exclusive use with GRTech Beacon 4.0/5.0 devices. Be aware that continuous GPS use in the background can significantly impact battery life.

**Highlights:** RTK correction delivery, Compatible with GRTech Beacon 4.0/5.0, Background GPS usage management, Designed for GPS receivers

**In-app purchases:** none


## Frequently asked questions

### Is Critical Trac™ free?

Critical Trac™ is free to download, with no in-app purchases.

### Is GRTech Beacon 4.0/5.0 NTRIP free?

GRTech Beacon 4.0/5.0 NTRIP is free to download, with no in-app purchases.

### Which has better reviews, Critical Trac™ or GRTech Beacon 4.0/5.0 NTRIP?

GRTech Beacon 4.0/5.0 NTRIP is rated higher. Critical Trac™ averages 3.0 out of 5 from 2 ratings, while GRTech Beacon 4.0/5.0 NTRIP averages 5.0 from 1 ratings.

### Do Critical Trac™ or GRTech Beacon 4.0/5.0 NTRIP have ads?

Neither Critical Trac™ nor GRTech Beacon 4.0/5.0 NTRIP shows ads.

### Which is updated more often, Critical Trac™ or GRTech Beacon 4.0/5.0 NTRIP?

Critical Trac™ ships an update every 6 months, and GRTech Beacon 4.0/5.0 NTRIP every 9 months. Most recently, Critical Trac™ was updated on October 16, 2026 and GRTech Beacon 4.0/5.0 NTRIP on September 29, 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.*