# PEPBX Advanced Messaging vs CallHarborUC

The clearest difference is device support: PEPBX Advanced Messaging at 3 against CallHarborUC's 1. On price, update cadence, 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.

PEPBX Advanced Messaging ships an update every 13 months, CallHarborUC every 9 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PEPBX Advanced Messaging | CallHarborUC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (8 ratings)](https://appshunter.io/ios/app/callharboruc/id6497948881/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 9 months** |
| Monetization | — | Free |
| Size | 59 MB | 115 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Textable](https://appshunter.io/developer/1395042035) | [Active Solutions Group, Inc.](https://appshunter.io/developer/1222134241) |

## What reviewers say

### PEPBX Advanced Messaging

[App page](https://appshunter.io/ios/app/pepbx-advanced-messaging/id6449435298)

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

**In-app purchases:** none


### CallHarborUC

[App page](https://appshunter.io/ios/app/callharboruc/id6497948881)

This app allows you to use your professional phone extension on your mobile device. Make and receive calls from anywhere, and enjoy free in-app calls with other users.

**Highlights:** Carry your extension on mobile, Make and receive calls on the go, Log in with existing credentials, Free in-app calls among users, High-quality audio

**In-app purchases:** none


## Frequently asked questions

### Is PEPBX Advanced Messaging free?

PEPBX Advanced Messaging is free to download, with no in-app purchases.

### Is CallHarborUC free?

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

### Do PEPBX Advanced Messaging or CallHarborUC have ads?

Neither PEPBX Advanced Messaging nor CallHarborUC shows ads.

### Which is updated more often, PEPBX Advanced Messaging or CallHarborUC?

PEPBX Advanced Messaging ships an update every 13 months, and CallHarborUC every 9 months. Most recently, PEPBX Advanced Messaging was updated on October 27, 2026 and CallHarborUC on October 24, 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.*