# Call One UC vs UCFone

The clearest difference is review sentiment: UCFone at 100% against Call One UC's 50%. UCFone also leads on rating (4.5 vs 4.2). Call One UC's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

UCFone holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 29 and 38 respectively. Written reviews point the same way: 50% of Call One UC's written reviews are positive against 100% of UCFone's.

Call One UC ships an update every 4 months, UCFone every 6 months. The most recent releases landed on September 14, 2026 and August 8, 2026 respectively.

## The numbers

| Metric | Call One UC | UCFone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (29 ratings)](https://appshunter.io/ios/app/call-one-uc/id1358793823/reviews) | **[4.5 (38 ratings)](https://appshunter.io/ios/app/ucfone/id1435302461/reviews)** |
| Number of ratings | 29 | **38** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 148 MB | 100 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Call One, Inc.](https://appshunter.io/developer/1358793822) | [TELCEL COMMUNICATIONS, INC](https://appshunter.io/developer/1452916674) |

## What reviewers say

### Call One UC

[App page](https://appshunter.io/ios/app/call-one-uc/id1358793823)

Manage your home or office telephony services remotely. Make and receive calls using your landline number over WiFi or cellular data, and seamlessly transfer calls between devices. Includes features for conference calls, voicemail, and fax management.

**Highlights:** Join audio/video conferences, Make/receive calls with landline number, Transfer calls between devices, Add video to calls, Use landline caller ID, Voicemail and fax playback, Transcribed voice messages

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### UCFone

[App page](https://appshunter.io/ios/app/ucfone/id1435302461)

This app provides unified communications, voice, and video calling capabilities from mobile and desktop devices. It offers high-quality UC functionality integrated with certified partner platforms, including features like contact directories and conference calls.

**Highlights:** Unified Communications, Voice and Video Calling, Contact Directory, Call Transfer, Conference Calls, SMS Texting, Battery Saver

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


## Frequently asked questions

### Is Call One UC free?

Call One UC is free to download, with no in-app purchases.

### Is UCFone free?

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

### Which has better reviews, Call One UC or UCFone?

UCFone is rated higher. Call One UC averages 4.2 out of 5 from 29 ratings, while UCFone averages 4.5 from 38 ratings.

### Do Call One UC or UCFone have ads?

Neither Call One UC nor UCFone shows ads.

### Which is updated more often, Call One UC or UCFone?

Call One UC ships an update every 4 months, and UCFone every 6 months. Most recently, Call One UC was updated on September 14, 2026 and UCFone on August 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*