Comparison

RADAR Nudge vs RADIUS Smart application

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

Head to head
About

RADAR Nudge

A secure and encrypted chat application for professionals to communicate sensitive information. It allows for easy sharing of pictures and documents, ensuring data safety and streamlining business communication.

Highlights
  • End-to-end encryption
  • Secure communication
  • Attach pictures and documents
  • Streamline business communication
  • Build contact network
Features
Read full description

Radar Nudge is a chat application designed by a radiologist that allows for a secure and encrypted communication between two or more people. With the growing need for professionals to communicate sensitive information to remote locations and people RADAR Nudge provides the solution to streamline your business while ensuring the safety and security of your data. Under the hood: • End to End encryption for security. No hopping between servers jeopardizing your data. • Easily attach pictures and documents to your message • All data received and transmitted is encapsulated in the RADAR Nudge App. • Easily build your network of chat Contacts.

About

RADIUS Smart application

Read full description

RADIUS Smart application is an all-in-one mission critical communications powerhouse that connects people in a variety of ways in a wide range of situations. Its capabilities comprise voice and video calls, messaging, tracking (including indoor localization), task management and more. The uses of the app are versatile. For some users, it helps ensure smooth operation of their business. For others, it's part of the security toolset. Importantly, it can be vital in responding to dangerous incidents where lives depend on timely communication. Whether you're a logistics specialist, a guard on patrol, a firefighter or a police officer, you will appreciate the reliable power of RADIUS Smart application, its focus and ease of use. This app is the client-side component of the Affini framework. Affini provides mission critical push-to-talk (MC-PTT) capabilities in LTE networks over the Internet Protocol (IP) and builds a comprehensive communications and emergency response solution on that foundation. The following are some highlights of the Affini features that RADIUS Smart application implements. Voice communication features Call capabilities are at the heart of mission-critical communications. In addition to the obligatory group and individual calls, RADIUS Smart application offers an extended set of voice and video call types. • Individual, group and channel calls • Emergency calls • Priority calls • Video calls • Offline user calls • Voice recording and playback Messaging features In situations where voice communication is not your first choice of format, use free-form or template-based text messages, or send arbitrary files over your Affini network. • Text and file exchange • Template-based status messages Lone worker protection features Intended for ensuring the safety of employees who are working in hazardous conditions, these features rely on sensor and battery charge data. These readings can indicate emergencies and cause alerts to be triggered. • Sensor state tracking • Automated alerts (such as Man Down) based on sensor data analysis • Battery charge monitoring Location and tracking features Always-on location tracking is a core component of RADIUS Smart application operation and in many cases the reason to use the app. Access to location is required by dispatchers for ensuring personnel safety and tracking assets. • Subscriber identification and location markers • Detailed street view • Guard tour planning • Waypoints • Indoor localization Other features • Remote listening and camera • Task management and control Note that the feature set for your particular RADIUS Smart application setup will be as broad or as lean as your Affini administrators configure it to be.

Screenshots

RADAR Nudge3 screens
RADIUS Smart application4 screens

Verdict

The call

The clearest difference is update cadence: RADIUS Smart application at every 6 weeks against RADAR Nudge's every 17 months. On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

RADAR Nudge ships an update every 17 months, RADIUS Smart application every 6 weeks. The most recent releases landed on August 22, 2026 and September 20, 2026 respectively.

Scorecard1 real difference · 9 level
RADAR Nudge versus RADIUS Smart application: the parameters behind the verdict, then further details
ParameterRADAR NudgeRADIUS Smart application
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 17 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size1 MB55 MB
Age rating4+4+
DeveloperRADNET MANAGEMENT, INC.TASSTA GmbH

In-app purchases

None

RADAR Nudge

No in-app purchases

None

RADIUS Smart application

No in-app purchases

Questions

Is RADAR Nudge free?
RADAR Nudge is free to download, with no in-app purchases.
Is RADIUS Smart application free?
RADIUS Smart application is free to download, with no in-app purchases.
Do RADAR Nudge or RADIUS Smart application have ads?
Neither RADAR Nudge nor RADIUS Smart application shows ads.
Which is updated more often, RADAR Nudge or RADIUS Smart application?
RADAR Nudge ships an update every 17 months, and RADIUS Smart application every 6 weeks. Most recently, RADAR Nudge was updated on August 22, 2026 and RADIUS Smart application on September 20, 2026.

Other comparisons