# Diligent Messenger vs HBS Exec Ed

The clearest difference is rating: HBS Exec Ed at 5.0 against Diligent Messenger's 4.7. Diligent Messenger's advantage is ratings volume (19 vs 2) and iOS requirement (14.1 vs 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.

HBS Exec Ed holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Diligent Messenger has 19 ratings behind it against 2, so its average is the more settled of the two.

Diligent Messenger ships an update every 6 weeks, HBS Exec Ed every 2 months. The most recent releases landed on September 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Diligent Messenger | HBS Exec Ed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (19 ratings)](https://appshunter.io/ios/app/diligent-messenger/id1104378811/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hbs-exec-ed/id1488398291/reviews)** |
| Number of ratings | **19** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 111 MB | 104 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) | [Harvard Business School](https://appshunter.io/developer/383350531) |

## 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


### HBS Exec Ed

[App page](https://appshunter.io/ios/app/hbs-exec-ed/id1488398291)

This app provides participants of Harvard Business School Executive Education programs with access to essential program materials, schedules, speaker and participant information, and campus maps. It serves as a convenient digital companion to enhance the learning experience.

**Highlights:** Program materials access, Schedules and timelines, Speaker and participant bios, Campus maps, Notifications, Supplementary resource

**In-app purchases:** none


## Frequently asked questions

### Is Diligent Messenger free?

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

### Is HBS Exec Ed free?

HBS Exec Ed is free to download, with no in-app purchases.

### Which has better reviews, Diligent Messenger or HBS Exec Ed?

HBS Exec Ed is rated higher. Diligent Messenger averages 4.7 out of 5 from 19 ratings, while HBS Exec Ed averages 5.0 from 2 ratings.

### Do Diligent Messenger or HBS Exec Ed have ads?

Neither Diligent Messenger nor HBS Exec Ed shows ads.

### Which is updated more often, Diligent Messenger or HBS Exec Ed?

Diligent Messenger ships an update every 6 weeks, and HBS Exec Ed every 2 months. Most recently, Diligent Messenger was updated on September 26, 2026 and HBS Exec Ed on October 5, 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.*