# mdMessage vs TrustCentral Secure Messenger

The clearest difference is ratings volume: TrustCentral Secure Messenger at 4 against mdMessage's 1. 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 mdMessage against 5.0 for TrustCentral Secure Messenger. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

mdMessage ships an update every 4 months, TrustCentral Secure Messenger every 3 months. The most recent releases landed on September 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | mdMessage | TrustCentral Secure Messenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mdmessage-secure-messaging/id984935781/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/trustcentral-secure-messenger/id1577135216/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 21 MB | 119 MB |
| Requires iOS | 15.0 | **14.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Medical Design Technologies, LLC](https://appshunter.io/developer/361252235) | [T-Central, Inc.](https://appshunter.io/developer/1577135218) |

## What reviewers say

### mdMessage

[App page](https://appshunter.io/ios/app/mdmessage-secure-messaging/id984935781)

Securely message healthcare professionals and colleagues with this HIPAA-compliant application. Share unlimited messages, photos, and audio notes across all your devices. Enjoy fast, secure communication with advanced privacy features.

**Highlights:** HIPAA compliant secure messaging, Unlimited messages, photos, and audio notes, Syncs across all devices (desktop, tablet, phone), Message deletion from devices and browsers, Photo sharing without saving to camera roll, Large group chats and identifiable patient chats

**Features:** macOS Compatibility

**In-app purchases:** none


### TrustCentral Secure Messenger

[App page](https://appshunter.io/ios/app/trustcentral-secure-messenger/id1577135216)

This app provides secure, authenticated communication and data sharing using patented cryptographic tools. It protects against various cyber threats like spoofing and data leaks, ensuring sensitive information remains private between users and devices.

**Highlights:** Secure authenticated communication, Protection against spoofing and data leaks, Patented user-friendly cryptographic tools, Reliable and secure data sharing, First-rate security ecosystem, Trustworthy connection authentication

**In-app purchases:** none


## Frequently asked questions

### Is mdMessage free?

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

### Is TrustCentral Secure Messenger free?

TrustCentral Secure Messenger is free to download, with no in-app purchases.

### Which has better reviews, mdMessage or TrustCentral Secure Messenger?

mdMessage and TrustCentral Secure Messenger are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do mdMessage or TrustCentral Secure Messenger have ads?

Neither mdMessage nor TrustCentral Secure Messenger shows ads.

### Which is updated more often, mdMessage or TrustCentral Secure Messenger?

mdMessage ships an update every 4 months, and TrustCentral Secure Messenger every 3 months. Most recently, mdMessage was updated on September 25, 2026 and TrustCentral Secure Messenger on October 9, 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.*