# CONTAQT Softphone vs Pantheon Authenticator

The clearest difference is update cadence: Pantheon Authenticator at every 5 days against CONTAQT Softphone's every 7 months. Pantheon Authenticator 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.

CONTAQT Softphone ships an update every 7 months, Pantheon Authenticator every 5 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | CONTAQT Softphone | Pantheon Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/contaqt-softphone/id1660572725/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 97 MB | 17 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [RESHETCALL LTD](https://appshunter.io/developer/1660572727) | [Authnex](https://appshunter.io/developer/1512686868) |

## What reviewers say

### CONTAQT Softphone

[App page](https://appshunter.io/ios/app/contaqt-softphone/id1660572725)

This SIP softphone app offers HD voice and video calling, along with free calls between its users. It supports push notifications for seamless communication.

**Highlights:** SIP softphone functionality, Push notifications, HD voice and video, Free calling between users

**In-app purchases:** none


### Pantheon Authenticator

[App page](https://appshunter.io/ios/app/pantheon-authenticator/id6478901175)

**In-app purchases:** none


## Frequently asked questions

### Is CONTAQT Softphone free?

CONTAQT Softphone is free to download, with no in-app purchases.

### Is Pantheon Authenticator free?

Pantheon Authenticator is free to download, with no in-app purchases.

### Do CONTAQT Softphone or Pantheon Authenticator have ads?

Neither CONTAQT Softphone nor Pantheon Authenticator shows ads.

### Which is updated more often, CONTAQT Softphone or Pantheon Authenticator?

CONTAQT Softphone ships an update every 7 months, and Pantheon Authenticator every 5 days. Most recently, CONTAQT Softphone was updated on November 3, 2026 and Pantheon Authenticator on November 4, 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.*