# Microtalk Softphone vs RADIUS Smart application

The clearest difference is update cadence: RADIUS Smart application at every 6 weeks against Microtalk Softphone's every 7 months. RADIUS Smart application also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

Microtalk Softphone ships an update every 7 months, RADIUS Smart application every 6 weeks. The most recent releases landed on August 26, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Microtalk Softphone | RADIUS Smart application |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 109 MB | 55 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Microtalk Europe Limited](https://appshunter.io/developer/1193269690) | [TASSTA GmbH](https://appshunter.io/developer/1557847309) |

## What reviewers say

### Microtalk Softphone

[App page](https://appshunter.io/ios/app/microtalk-softphone/id1193277551)

This communication app allows free calls, messages, and video chats with other users worldwide. It also offers high-quality calls to any mobile or landline number globally, even with poor internet connections, and helps reduce roaming bills.

**Highlights:** Free calls to other users, Calls to any landline or mobile, Internet-free calling option, Video chat, Messaging, Call logs

**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 Microtalk Softphone free?

Microtalk Softphone 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 Microtalk Softphone or RADIUS Smart application have ads?

Neither Microtalk Softphone nor RADIUS Smart application shows ads.

### Which is updated more often, Microtalk Softphone or RADIUS Smart application?

Microtalk Softphone ships an update every 7 months, and RADIUS Smart application every 6 weeks. Most recently, Microtalk Softphone was updated on August 26, 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.*