Comparison

AccuRad vs Sentry

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AccuRad

This app provides a mobile interface for a personal radiation detector, enabling real-time data relay for emergency responders. It connects to various management software and offers instructional videos for device operation.

Highlights
  • Real-time geospatial and radiological data relay
  • Connects to RadResponder, Sigma, and SpirVIEW software
  • Library of how-to videos for device operation
  • Intuitive interface with user-friendly navigation
  • Secure data sharing compliant with international standards
  • Remote reachback connectivity
Features
Read full description

Seamless Smartphone Communication Solutions ---------------------------------------------------------- The AccuRad App is the companion mobile interface for the Mirion AccuRad PRD, and also the bridge between emergency responders on the ground and command center software, providing real-time geospatial and radiological data relay so agencies can get access to the information they need, when and where they need it. ====================== ACCESS AT YOUR FINGERTIPS ====================== CONNECTED The AccuRad app can be used to connect and transmit device data to a variety of management software platforms, including RadResponder, Sigma and SpirVIEW software. INFORMED The app has a library of how-to videos, to aid in the operation and maintenance of the AccuRad PRD. SIMPLE The app has an intuitive interface with basic navigation and a user-friendly menu, making it easy to view information, modify settings and set up remote reachback connections. SECURE The AccuRad PRD complies with all relevant current international standards (IEC, IAEA, ANSI) for data sharing, which includes messaging (email, SMS) and reachback connectivity. ==================== ABOUT THE ACCURAD PRD ==================== The AccuRad personal radiation detector (PRD) is built to help first responders and law enforcement detect and locate sources of harmful nuclear radiation, to keep their people and the public safe. It’s the first PRD developed in close collaboration with in-the-field professionals, resulting in a world-class radiation detection device that works like they do – it's tough, consistent, and in it for the long haul.

About

Sentry

Enhances situational awareness for law enforcement and first responders involved in alarm monitoring strategies. It supports partnerships with government and businesses to protect strategic assets globally.

Highlights
  • Elevates situational awareness
  • Supports alarm monitoring strategies
  • Partners with government and first responders
  • Protects strategic assets globally
Features
Read full description

Sentry-SECURE elevates situational awareness amongst law enforcement stakeholders that are critical to the alarm monitoring strategies being implemented by the Office of Radiological Security’s Protect strategy. The Office of Radiological Security uses these strategies to partner with government, first responders, and businesses to protect strategic assets around the world.

Screenshots

AccuRad4 screens
Sentry4 screens

Verdict

The call

The clearest difference is rating: AccuRad at 4.0 against Sentry's 3.7. AccuRad also leads on iOS requirement (14.0 vs 16.6). 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

AccuRad holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 4 and 6 respectively.

UpkeepUpdate frequency

AccuRad ships an update every 5 months, Sentry every 3 months. The most recent releases landed on September 18, 2026 and August 10, 2026 respectively.

Scorecard2 real differences · 8 level
AccuRad versus Sentry: the parameters behind the verdict, then further details
ParameterAccuRadSentry
PriceFreeFree
Rating4.0 (4 ratings) — better3.7 (6 ratings)
Positive reviews100.0% of reviews—
Number of ratings46 — better
Update frequencyEvery 5 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.6
Further details — not scored
Size26 MB56 MB
Age rating4+4+
DeveloperMirion Technologies, Inc.VPI Engineering

Customer experience

AccuRad

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sentry

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

AccuRad

No in-app purchases

None

Sentry

No in-app purchases

Questions

Is AccuRad free?
AccuRad is free to download, with no in-app purchases.
Is Sentry free?
Sentry is free to download, with no in-app purchases.
Which has better reviews, AccuRad or Sentry?
AccuRad is rated higher. AccuRad averages 4.0 out of 5 from 4 ratings, while Sentry averages 3.7 from 6 ratings.
Do AccuRad or Sentry have ads?
Neither AccuRad nor Sentry shows ads.
Which is updated more often, AccuRad or Sentry?
AccuRad ships an update every 5 months, and Sentry every 3 months. Most recently, AccuRad was updated on September 18, 2026 and Sentry on August 10, 2026.

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