Critical Trac™ vs GRTech Beacon 4.0/5.0 NTRIP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Critical Trac™
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.
- One-touch panic button
- One-touch check-in
- Two-way messaging with security
- Configurable location ping rates
- Real-time monitoring by security centers
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To use this app, your company must be a client of Crisis24 and/or its parents and subsidiaries and have a current license to our Critical Trac™ solution. The Critical Trac™ app uses cellular data networks to turn your smart device into a tracking solution that can be monitored by Crisis24’s Global Operations Centers and/or your organization’s security team through a management console. Key features include: • One-touch panic button • One-touch check-in • Two-way messaging with the security team • Configurable location ping rates to help preserve battery life (continued use of GPS running in the background can dramatically decrease battery life).
GRTech Beacon 4.0/5.0 NTRIP
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.
- RTK correction delivery
- Compatible with GRTech Beacon 4.0/5.0
- Background GPS usage management
- Designed for GPS receivers
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GRTech Beacon 4.0/5.0 NTRIP Client is designed to deliver RTK corrections to GPS receivers capable of receiving them. This app is intended to be used exclusively with the GRTech Beacon 4.0/5.0 family of devices. Continued use of GPS running in the background can dramatically decrease battery life. Background GPS usage will end when you stop the data stream or the Beacon is no longer connected.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Critical Trac™ | GRTech Beacon 4.0/5.0 NTRIP |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 6 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10 — better | 15.6 |
| Further details — not scored | ||
| Size | 25 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Crisis24 Inc | Glacial Ridge Technologies |
Customer experience
Critical Trac™
GRTech Beacon 4.0/5.0 NTRIP
In-app purchases
Critical Trac™
No in-app purchases
GRTech Beacon 4.0/5.0 NTRIP
No in-app purchases





