# HI vs EODynamics AR Ordnance Library

The clearest difference is in-app purchases: HI at none against EODynamics AR Ordnance Library's 4. HI also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. EODynamics AR Ordnance Library sells 4 in-app purchases, starting at $1.49 per month. HI asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on May 16, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | HI | EODynamics AR Ordnance Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eodynamics-ar-ordnance-library/id6463098647/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | — | Subscription |
| Size | 77 MB | 122 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Pegotec Pte. Ltd.](https://appshunter.io/developer/1423001793) | [EODynamics AB](https://appshunter.io/developer/1703939712) |

## What reviewers say

### HI

[App page](https://appshunter.io/ios/app/hi-eo/id1672194507)

**Features:** macOS Compatibility

**In-app purchases:** none


### EODynamics AR Ordnance Library

[App page](https://appshunter.io/ios/app/eodynamics-ar-ordnance-library/id6463098647)

Explore a realistic 3D library of ordnance items using augmented reality. This educational tool allows professionals and trainees to interact with detailed models of munitions and unexploded ordnance without physical risk. Continuously updated with new models, it offers a safer method for ordnance education and identification.

**Highlights:** Interactive 3D ordnance models, Augmented Reality (AR) visualization, Detailed ordnance identification, Safe ordnance education, Continuous model updates, Real-world environment projection

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subcription | $1.49 | per month |
| Yearly Subscription | $11.99 | per year |
| Early Access Lifetime Unlock | Free | one-time |
| Permanent Unlock | $59.99 | one-time |


## Frequently asked questions

### Is HI free?

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

### Is EODynamics AR Ordnance Library free?

EODynamics AR Ordnance Library is free to download, with in-app purchases available.

### Do HI or EODynamics AR Ordnance Library have ads?

Neither HI nor EODynamics AR Ordnance Library shows ads.

### Which is updated more often, HI or EODynamics AR Ordnance Library?

HI ships an update every 6 weeks, and EODynamics AR Ordnance Library every 6 weeks. Most recently, HI was updated on May 16, 2026 and EODynamics AR Ordnance Library on June 4, 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.*