# RADAR Nudge vs RADIUS Smart application

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.

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

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.

## The numbers

| Metric | RADAR Nudge | RADIUS Smart application |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/radar-nudge/id1043707223/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 55 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RADNET MANAGEMENT, INC.](https://appshunter.io/developer/1043707222) | [TASSTA GmbH](https://appshunter.io/developer/1557847309) |

## What reviewers say

### RADAR Nudge

[App page](https://appshunter.io/ios/app/radar-nudge/id1043707223)

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:** macOS Compatibility

**In-app purchases:** none


### RADIUS Smart application

[App page](https://appshunter.io/ios/app/radius-smart-application/id1613524123)

**In-app purchases:** none


## Frequently asked 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.

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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.*