# Adacom Authenticator vs modulus SoftPhone

The clearest difference is update cadence: modulus SoftPhone at every 6 months against Adacom Authenticator's every 19 months. Adacom Authenticator's advantage is device support (3 vs 1) and iOS requirement (9.0 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.

Adacom Authenticator ships an update every 19 months, modulus SoftPhone every 6 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Adacom Authenticator | modulus SoftPhone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/modulus-softphone/id1562146672/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 6 months** |
| Monetization | — | Free |
| Size | 6 MB | 107 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [ADACOM SA](https://appshunter.io/developer/1447478028) | [MODULUS TELECOMS & IT SA](https://appshunter.io/developer/1562146674) |

## What reviewers say

### Adacom Authenticator

[App page](https://appshunter.io/ios/app/adacom-authenticator/id1447478029)

**Features:** macOS Compatibility

**In-app purchases:** none


### modulus SoftPhone

[App page](https://appshunter.io/ios/app/modulus-softphone/id1562146672)

This application provides a simple SIP softphone experience, specifically configured to integrate with your modulus account. It allows for easy communication management through a user-friendly interface.

**Highlights:** SIP SoftPhone functionality, Modulus account integration, Easy to use interface, VoIP calling

**In-app purchases:** none


## Frequently asked questions

### Is Adacom Authenticator free?

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

### Is modulus SoftPhone free?

modulus SoftPhone is free to download, with no in-app purchases.

### Do Adacom Authenticator or modulus SoftPhone have ads?

Neither Adacom Authenticator nor modulus SoftPhone shows ads.

### Which is updated more often, Adacom Authenticator or modulus SoftPhone?

Adacom Authenticator ships an update every 19 months, and modulus SoftPhone every 6 months. Most recently, Adacom Authenticator was updated on October 8, 2026 and modulus SoftPhone on October 7, 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.*