# Fusion MobileConnect vs CellTrust SL2

The clearest difference is review sentiment: Fusion MobileConnect at 100% against CellTrust SL2's 20%. Fusion MobileConnect also leads on rating (4.4 vs 3.2) and ratings volume (153 vs 27). CellTrust SL2's advantage is update cadence (every 2 months vs every 10 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Fusion MobileConnect holds the better App Store score, 4.4 against 3.2. That said, the two scores are not equally well evidenced: Fusion MobileConnect has 153 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 100% of Fusion MobileConnect's written reviews are positive against 20% of CellTrust SL2's.

Fusion MobileConnect ships an update every 10 months, CellTrust SL2 every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Fusion MobileConnect | CellTrust SL2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (153 ratings)](https://appshunter.io/ios/app/fusion-mobileconnect/id1072138069/reviews)** | [3.2 (27 ratings)](https://appshunter.io/ios/app/celltrust-sl2/id1170300972/reviews) |
| Number of ratings | **153** | 27 |
| Positive reviews | **100.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 113 MB | 130 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fusion Telecom](https://appshunter.io/developer/936877251) | [CellTrust Corporation](https://appshunter.io/developer/516410103) |

## What reviewers say

### Fusion MobileConnect

[App page](https://appshunter.io/ios/app/fusion-mobileconnect/id1072138069)

This app integrates voice and instant messaging for seamless business communication. It allows users to view colleague presence, send secure messages, and make/receive calls from their business number. Access call logs and voicemail directly from your mobile device.

**Highlights:** Instant messaging, Voice and video calls, Presence status, Call logs, Voicemail access, Business phone number integration

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

**In-app purchases:** none


### CellTrust SL2

[App page](https://appshunter.io/ios/app/celltrust-sl2/id1170300972)

This app provides a dedicated business number for your mobile device, separating personal and professional communications. It utilizes secure technologies for internal messaging and voice calls, ensuring compliance and eDiscovery readiness for enterprises.

**Highlights:** Assign dedicated Mobile Business Number (MBN), Separate personal and business communications, SecureSMS® and SecureVoice™ technologies, Secure internal communications, eDiscovery and compliance support, BYOD handset compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is Fusion MobileConnect free?

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

### Is CellTrust SL2 free?

CellTrust SL2 is free to download, with no in-app purchases.

### Which has better reviews, Fusion MobileConnect or CellTrust SL2?

Fusion MobileConnect is rated higher. Fusion MobileConnect averages 4.4 out of 5 from 153 ratings, while CellTrust SL2 averages 3.2 from 27 ratings.

### Do Fusion MobileConnect or CellTrust SL2 have ads?

Neither Fusion MobileConnect nor CellTrust SL2 shows ads.

### Which is updated more often, Fusion MobileConnect or CellTrust SL2?

Fusion MobileConnect ships an update every 10 months, and CellTrust SL2 every 2 months. Most recently, Fusion MobileConnect was updated on October 24, 2026 and CellTrust SL2 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.*