# OpusTel vs CB_ARC

The clearest difference is update cadence: CB_ARC at fortnightly against OpusTel's every 14 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.

OpusTel ships an update every 14 months, CB_ARC fortnightly. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | OpusTel | CB_ARC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/opustel/id945641896/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 98 MB | 1 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [OpusTel](https://appshunter.io/developer/945641895) | [Comsys Bärtsch AG](https://appshunter.io/developer/689626069) |

## What reviewers say

### OpusTel

[App page](https://appshunter.io/ios/app/opustel/id945641896)

This app provides a real Swiss international telephone number for secure VoIP calls on iOS devices. It offers HD audio quality, free global calls between users, and call recording capabilities, all with a focus on user privacy.

**Highlights:** Real Swiss international telephone number, Secure VoIP calls, HD high-definition audio quality, Free global calls between users, Call recording, Conference calls, Automatic language selection

**In-app purchases:** none


### CB_ARC

[App page](https://appshunter.io/ios/app/cb-arc/id6472819781)

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

**In-app purchases:** none


## Frequently asked questions

### Is OpusTel free?

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

### Is CB_ARC free?

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

### Do OpusTel or CB_ARC have ads?

Neither OpusTel nor CB_ARC shows ads.

### Which is updated more often, OpusTel or CB_ARC?

OpusTel ships an update every 14 months, and CB_ARC fortnightly. Most recently, OpusTel was updated on November 1, 2026 and CB_ARC 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.*