# Intermedia Unite vs Mobile ZAC

The clearest difference is rating: Intermedia Unite at 4.1 against Mobile ZAC's 3.8. Intermedia Unite also leads on update cadence (monthly vs every 3 months) and ratings volume (267 vs 56). Mobile ZAC's advantage is iOS requirement (15.1 vs 17.0). On price, review sentiment, 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.

Intermedia Unite holds the better App Store score, 4.1 against 3.8. Both are backed by a comparable volume of ratings — 267 and 56 respectively. Written reviews complicate that: 50% of Intermedia Unite's written reviews are positive against 54% of Mobile ZAC's, so the app with the better star average is not the one people write more warmly about.

Intermedia Unite ships an update monthly, Mobile ZAC every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Intermedia Unite | Mobile ZAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (267 ratings)](https://appshunter.io/ios/app/intermedia-unite/id1127355812/reviews)** | [3.8 (56 ratings)](https://appshunter.io/ios/app/mobile-zac/id1589199857/reviews) |
| Number of ratings | **267** | 56 |
| Positive reviews | 50.5% of reviews | **54.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 149 MB | 60 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intermedia.net, Inc.](https://appshunter.io/developer/447286858) | [Zultys, Inc.](https://appshunter.io/developer/420370950) |

## What reviewers say

### Intermedia Unite

[App page](https://appshunter.io/ios/app/intermedia-unite/id1127355812)

This app transforms your mobile device into a comprehensive business communication hub. Make and receive calls, chat with colleagues, manage voicemails, and join meetings from anywhere. It integrates AI assistance for task simplification and offers advanced calling features for seamless teamwork on the go.

**Highlights:** Place and receive business calls, Real-time team chat and messaging, Host and join meetings, Voicemail transcription, Integrated AI Assistant, Call transfers and forwarding, Corporate contact list

**Features:** Siri integration

**In-app purchases:** none

**What reviewers like**

- 👍 Smooth and seamless experience
- 🚀 Great connectivity and call quality
- 💡 Unified communication features
- 👍 User-friendly and intuitive interface
- 👍 Reliable and dependable

**What reviewers complain about**

- 🐛 Buggy and unreliable app performance
- 🐛 Frequent crashes and freezes
- 🐛 Inconsistent functionality
- 🐛 Call quality and connectivity issues
- 🐛 Missed calls and dropped connections

**Reported bugs**

- App crashes on iOS 14 devices
- Inability to answer or hear calls through the app
- Calls getting stuck in limbo or not connecting properly
- Inconsistent behavior when answering calls from the app
- Accidental call dialing due to lack of confirmation prompts

**Requested features**

- Add search functionality for SMS messages
- Allow custom ringtone assignment for calls
- Improve Apple Watch integration and notifications
- Enhance silent/do-not-disturb mode options
- Add support for iPad landscape mode and multitasking


### Mobile ZAC

[App page](https://appshunter.io/ios/app/mobile-zac/id1589199857)

Transform your mobile device into a fully functional business phone. This app integrates with Zultys systems to provide remote and mobile employees with essential communication tools, including video conferencing, instant messaging, and call management.

**Highlights:** Video conferencing, Scheduled conferences, Call logs with filtering, Instant messaging, Call attached data, Retrieve active calls, Agent roles & queue monitor

**In-app purchases:** none


## Frequently asked questions

### Is Intermedia Unite free?

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

### Is Mobile ZAC free?

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

### Which has better reviews, Intermedia Unite or Mobile ZAC?

Intermedia Unite is rated higher. Intermedia Unite averages 4.1 out of 5 from 267 ratings, while Mobile ZAC averages 3.8 from 56 ratings.

### Do Intermedia Unite or Mobile ZAC have ads?

Neither Intermedia Unite nor Mobile ZAC shows ads.

### Which is updated more often, Intermedia Unite or Mobile ZAC?

Intermedia Unite ships an update monthly, and Mobile ZAC every 3 months. Most recently, Intermedia Unite was updated on October 26, 2026 and Mobile ZAC 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.*