# Diligent Messenger vs TrustUC

The clearest difference is iOS requirement: Diligent Messenger at 14.1 against TrustUC's 17.0. On price, update cadence, 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.

Diligent Messenger ships an update every 6 weeks, TrustUC every 2 months. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Diligent Messenger | TrustUC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/diligent-messenger/id1104378811/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 111 MB | 117 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Diligent Corporation](https://appshunter.io/developer/412771398) | [Family Endeavors](https://appshunter.io/developer/580084503) |

## What reviewers say

### Diligent Messenger

[App page](https://appshunter.io/ios/app/diligent-messenger/id1104378811)

A secure messaging application designed for executives and board members to communicate confidentially. It integrates with a board management platform, ensuring conversations are protected by encryption and access controls within a trusted governance framework.

**Highlights:** Secure messaging for executives, Integrated with Diligent Boards platform, End-to-end message encryption, Strict access controls, Admin and Board Member user roles, Centralized group and permission management

**Features:** Vision Pro support

**In-app purchases:** none


### TrustUC

[App page](https://appshunter.io/ios/app/trustuc/id1665958588)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Diligent Messenger free?

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

### Is TrustUC free?

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

### Do Diligent Messenger or TrustUC have ads?

Neither Diligent Messenger nor TrustUC shows ads.

### Which is updated more often, Diligent Messenger or TrustUC?

Diligent Messenger ships an update every 6 weeks, and TrustUC every 2 months. Most recently, Diligent Messenger was updated on November 11, 2026 and TrustUC on November 7, 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.*