# MTT Virtual PBX vs UIS Mobile

The clearest difference is rating: MTT Virtual PBX at 3.3 against UIS Mobile's 2.5. MTT Virtual PBX also leads on iOS requirement (13.0 vs 15.0). UIS Mobile's advantage is update cadence (every 11 days vs every 2 months). On price, review sentiment, ratings volume 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.

MTT Virtual PBX holds the better App Store score, 3.3 against 2.5. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 25% of MTT Virtual PBX's written reviews are positive against 19% of UIS Mobile's.

MTT Virtual PBX ships an update every 2 months, UIS Mobile every 11 days. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | MTT Virtual PBX | UIS Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/mtt-virtual-pbx/id905963803/reviews)** | [2.5 (4 ratings)](https://appshunter.io/ios/app/uis-mobile/id6444042921/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | **25.0% of reviews** | 19.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 67 MB | 99 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MTT](https://appshunter.io/developer/533090664) | [COMAGIC LLC](https://appshunter.io/developer/1489333551) |

## What reviewers say

### MTT Virtual PBX

[App page](https://appshunter.io/ios/app/mtt-virtual-pbx/id905963803)

This app provides global telecommunications services, enabling profitable communication between employees, offices, and branches. It offers a full-featured cloud PBX with features like IVR, call recording, and analytics, all accessible from a single mobile application.

**Highlights:** Global telecommunications access, Cloud PBX functionality, Extension and IVR support, Call redirecting and recording, Corporate employee directory, Instant messaging and file transfer, Conference call management

**Features:** macOS Compatibility

**In-app purchases:** none


### UIS Mobile

[App page](https://appshunter.io/ios/app/uis-mobile/id6444042921)

This business communication platform unifies customer interactions from various channels into a single interface. It allows employees to manage calls, chats, and website requests efficiently, ensuring no inquiry is missed and response times are reduced.

**Highlights:** Unified customer communication from multiple channels, Process calls, chats, and website requests, Initiate calls and messages to clients, View client inquiry details, Transfer dialogues to colleagues, Access unified communication history, Manage user status for availability

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

**In-app purchases:** none


## Frequently asked questions

### Is MTT Virtual PBX free?

MTT Virtual PBX is free to download, with no in-app purchases.

### Is UIS Mobile free?

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

### Which has better reviews, MTT Virtual PBX or UIS Mobile?

MTT Virtual PBX is rated higher. MTT Virtual PBX averages 3.3 out of 5 from 4 ratings, while UIS Mobile averages 2.5 from 4 ratings.

### Do MTT Virtual PBX or UIS Mobile have ads?

Neither MTT Virtual PBX nor UIS Mobile shows ads.

### Which is updated more often, MTT Virtual PBX or UIS Mobile?

MTT Virtual PBX ships an update every 2 months, and UIS Mobile every 11 days. Most recently, MTT Virtual PBX was updated on October 6, 2026 and UIS Mobile on October 12, 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.*