# ADM VoIP vs Tharon Technologies VoIP

The clearest difference is update cadence: Tharon Technologies VoIP at every 4 months against ADM VoIP's every 9 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.

ADM VoIP ships an update every 9 months, Tharon Technologies VoIP every 4 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ADM VoIP | Tharon Technologies VoIP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Size | 56 MB | 72 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ADM Technologies Inc](https://appshunter.io/developer/1850231129) | [Tharon Technologies](https://appshunter.io/developer/1868618735) |

## What reviewers say

### ADM VoIP

[App page](https://appshunter.io/ios/app/adm-voip/id6754810396)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Tharon Technologies VoIP

[App page](https://appshunter.io/ios/app/tharon-technologies-voip/id6757742265)

**Features:** macOS Compatibility, Siri integration, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ADM VoIP free?

ADM VoIP is free to download, with no in-app purchases.

### Is Tharon Technologies VoIP free?

Tharon Technologies VoIP is free to download, with no in-app purchases.

### Do ADM VoIP or Tharon Technologies VoIP have ads?

Neither ADM VoIP nor Tharon Technologies VoIP shows ads.

### Which is updated more often, ADM VoIP or Tharon Technologies VoIP?

ADM VoIP ships an update every 9 months, and Tharon Technologies VoIP every 4 months. Most recently, ADM VoIP was updated on October 25, 2026 and Tharon Technologies VoIP on October 28, 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.*