# MSM Events vs Explore Orion

The clearest difference is update cadence: Explore Orion at every 3 days against MSM Events's every 6 months. Explore Orion also leads on ratings volume (12 vs 4). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for MSM Events against 5.0 for Explore Orion. Both are backed by a comparable volume of ratings — 4 and 12 respectively.

MSM Events ships an update every 6 months, Explore Orion every 3 days. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | MSM Events | Explore Orion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/msm-events/id1541672642/reviews) | [5.0 (12 ratings)](https://appshunter.io/ios/app/explore-orion/id1635404760/reviews) |
| Number of ratings | 4 | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 86 MB | 161 MB |
| Requires iOS | 15 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MediaSphere Medical, LLC](https://appshunter.io/developer/1541672644) | [Lockheed Martin](https://appshunter.io/developer/400687539) |

## What reviewers say

### MSM Events

[App page](https://appshunter.io/ios/app/msm-events/id1541672642)

This conference companion app helps attendees navigate events, access educational content, and plan their schedules. It facilitates networking, live session streaming, and engagement through polls and Q&A.

**Highlights:** Navigate and access sessions, Plan your schedule, Live stream sessions, Network with attendees, Participate in polling and gamification, Engage with faculty during Q&A

**Features:** macOS Compatibility

**In-app purchases:** none


### Explore Orion

[App page](https://appshunter.io/ios/app/explore-orion/id1635404760)

Explore NASA's Orion spacecraft, designed for deep space missions. Learn about its design, construction, and the upcoming Artemis I mission. Engage with interactive features like a 3D model viewer and trivia.

**Highlights:** 3D Orion spacecraft model viewer, Send messages to Orion, Artemis mission facts, Orion trivia, Development timeline, Video library, Ask Lockheed Martin feature

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MSM Events free?

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

### Is Explore Orion free?

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

### Which has better reviews, MSM Events or Explore Orion?

MSM Events and Explore Orion are both rated 5.0 out of 5 on the App Store, from 4 and 12 ratings respectively.

### Do MSM Events or Explore Orion have ads?

Neither MSM Events nor Explore Orion shows ads.

### Which is updated more often, MSM Events or Explore Orion?

MSM Events ships an update every 6 months, and Explore Orion every 3 days. Most recently, MSM Events was updated on October 11, 2026 and Explore Orion on October 16, 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.*