# CT Cloud Communicator vs CallHarborUC

CT Cloud Communicator and CallHarborUC are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CT Cloud Communicator ships an update every 4 months, CallHarborUC every 7 months. The most recent releases landed on July 26, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | CT Cloud Communicator | CallHarborUC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (6 ratings)](https://appshunter.io/ios/app/callharboruc/id6497948881/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 126 MB | 100 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CallTower Connect](https://appshunter.io/developer/796441638) | [Active Solutions Group, Inc.](https://appshunter.io/developer/1222134241) |

## What reviewers say

### CT Cloud Communicator

[App page](https://appshunter.io/ios/app/ct-cloud-communicator/id1518203684)

Manage your home or office phone system from any device. Enjoy high-quality calls, instant messaging synced across devices, and seamless meeting upgrades. Features include visual voicemail with transcription and real-time contact presence.

**Highlights:** High-quality audio calls, Synced cross-device chat, One-click call/chat to meeting, Mid-call device switching, Voicemail with transcription, Real-time contact presence

**Features:** macOS Compatibility, Siri integration

**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 CT Cloud Communicator free?

CT Cloud Communicator is free to download, with no in-app purchases.

### Is CallHarborUC free?

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

### Do CT Cloud Communicator or CallHarborUC have ads?

Neither CT Cloud Communicator nor CallHarborUC shows ads.

### Which is updated more often, CT Cloud Communicator or CallHarborUC?

CT Cloud Communicator ships an update every 4 months, and CallHarborUC every 7 months. Most recently, CT Cloud Communicator was updated on July 26, 2026 and CallHarborUC on June 8, 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.*