# Card4Action vs CellTrust SL2 for Microsoft

The clearest difference is ratings volume: CellTrust SL2 for Microsoft at 4 against Card4Action's 1. Card4Action's advantage is iOS requirement (15.0 vs 17.6). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for Card4Action against 5.0 for CellTrust SL2 for Microsoft. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Card4Action ships an update every 6 weeks, CellTrust SL2 for Microsoft every 3 months. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Card4Action | CellTrust SL2 for Microsoft |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/card4action/id1394349470/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/celltrust-sl2-for-microsoft/id1442087513/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 69 MB | 146 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Card4Action AB](https://appshunter.io/developer/1498258029) | [CellTrust Corporation](https://appshunter.io/developer/516410103) |

## What reviewers say

### Card4Action

[App page](https://appshunter.io/ios/app/card4action/id1394349470)

Easily share and update contact information through digital profile cards. The app allows for check-ins at locations and meetings, facilitating networking and providing local offers. Create custom cards for different situations and manage contact interactions with notes and actions.

**Highlights:** Digital profile card sharing, Location and meeting check-ins, Real-time contact info updates, Customizable profile cards, Local offer discovery, Contact notes and action tracking

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

**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 Card4Action free?

Card4Action 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, Card4Action or CellTrust SL2 for Microsoft?

Card4Action and CellTrust SL2 for Microsoft are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Card4Action or CellTrust SL2 for Microsoft have ads?

Neither Card4Action nor CellTrust SL2 for Microsoft shows ads.

### Which is updated more often, Card4Action or CellTrust SL2 for Microsoft?

Card4Action ships an update every 6 weeks, and CellTrust SL2 for Microsoft every 3 months. Most recently, Card4Action was updated on October 14, 2026 and CellTrust SL2 for Microsoft on October 12, 2026.

---

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