# RelSci vs CellTrust SL2 for Microsoft

The clearest difference is monetization model: CellTrust SL2 for Microsoft at free against RelSci's subscription. CellTrust SL2 for Microsoft also leads on rating (5.0 vs 4.5). RelSci's advantage is iOS requirement (14.1 vs 17.6). 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.

CellTrust SL2 for Microsoft holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

RelSci ships an update every 2 months, CellTrust SL2 for Microsoft every 3 months. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | RelSci | CellTrust SL2 for Microsoft |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/relsci/id586788248/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/celltrust-sl2-for-microsoft/id1442087513/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Subscription | **Free** |
| Size | 12 MB | 146 MB |
| Requires iOS | **14.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wealth-X LLC](https://appshunter.io/developer/1174770629) | [CellTrust Corporation](https://appshunter.io/developer/516410103) |

## What reviewers say

### RelSci

[App page](https://appshunter.io/ios/app/relsci/id586788248)

This business development tool provides in-depth information on influential people, their connections, and commonalities. It helps users discover new relationships, strengthen existing ones, and identify pathways to access key individuals and organizations.

**Highlights:** Discover influential people, Analyze professional connections, Identify common ground, Gain access to key individuals, Advance existing relationships, Maximize business opportunities

**Features:** macOS Compatibility

**In-app purchases:** none


### CellTrust SL2 for Microsoft

[App page](https://appshunter.io/ios/app/celltrust-sl2-for-microsoft/id1442087513)

This app provides a secure mobility solution for businesses, integrating with Microsoft Intune to manage devices and mobile communications. It ensures regulatory compliance, captures business communications for archiving, and offers secure messaging and voice features.

**Highlights:** Device and application management, Secure mobile communication, Regulatory compliance, Automatic communication archiving, Secure mobile voice and messaging, Integration with Microsoft 365

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

**In-app purchases:** none


## Frequently asked questions

### Is RelSci free?

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

### Is CellTrust SL2 for Microsoft free?

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

### Which has better reviews, RelSci or CellTrust SL2 for Microsoft?

CellTrust SL2 for Microsoft is rated higher. RelSci averages 4.5 out of 5 from 4 ratings, while CellTrust SL2 for Microsoft averages 5.0 from 4 ratings.

### Do RelSci or CellTrust SL2 for Microsoft have ads?

Neither RelSci nor CellTrust SL2 for Microsoft shows ads.

### Which is updated more often, RelSci or CellTrust SL2 for Microsoft?

RelSci ships an update every 2 months, and CellTrust SL2 for Microsoft every 3 months. Most recently, RelSci was updated on September 23, 2026 and CellTrust SL2 for Microsoft on September 26, 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.*