# Grainger Events vs Explore Orion

The clearest difference is rating: Explore Orion at 5.0 against Grainger Events's 4.4. Explore Orion also leads on update cadence (every 3 days vs every 6 weeks) and iOS requirement (14.0 vs 17.0). On price, review sentiment, ratings volume 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.

Explore Orion holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 10 and 12 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Grainger Events ships an update every 6 weeks, Explore Orion every 3 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Grainger Events | Explore Orion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (10 ratings)](https://appshunter.io/ios/app/grainger-events/id1498513319/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/explore-orion/id1635404760/reviews)** |
| Number of ratings | 10 | **12** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 53 MB | 161 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [W.W. Grainger, Inc.](https://appshunter.io/developer/379095966) | [Lockheed Martin](https://appshunter.io/developer/400687539) |

## What reviewers say

### Grainger Events

[App page](https://appshunter.io/ios/app/grainger-events/id1498513319)

Connect with attendees at industry events. Share ideas, discover product innovations, and celebrate professional relationships within a dedicated community platform.

**Highlights:** Attendee connection, Idea sharing, Product innovation discovery, Relationship celebration, Event community platform

**Features:** Vision Pro support

**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 Grainger Events free?

Grainger 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, Grainger Events or Explore Orion?

Explore Orion is rated higher. Grainger Events averages 4.4 out of 5 from 10 ratings, while Explore Orion averages 5.0 from 12 ratings.

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

Neither Grainger Events nor Explore Orion shows ads.

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

Grainger Events ships an update every 6 weeks, and Explore Orion every 3 days. Most recently, Grainger Events was updated on November 3, 2026 and Explore Orion on November 3, 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.*