# EODynamics AR Ordnance Library vs OlympiadMath

The clearest difference is in-app purchases: OlympiadMath at none against EODynamics AR Ordnance Library's 4. OlympiadMath also leads on update cadence (every 2 days vs every 6 weeks). On price, ads, device support and iOS requirement 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. OlympiadMath asks for nothing beyond the download.

EODynamics AR Ordnance Library ships an update every 6 weeks, OlympiadMath every 2 days. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | EODynamics AR Ordnance Library | OlympiadMath |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Subscription | — |
| Size | 122 MB | 18 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [EODynamics AB](https://appshunter.io/developer/1703939712) | [Devois Inc](https://appshunter.io/developer/1535268107) |

## What reviewers say

### 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 |


### OlympiadMath

[App page](https://appshunter.io/ios/app/olympiadmath/id6769341244)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EODynamics AR Ordnance Library free?

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

### Is OlympiadMath free?

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

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

Neither EODynamics AR Ordnance Library nor OlympiadMath shows ads.

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

EODynamics AR Ordnance Library ships an update every 6 weeks, and OlympiadMath every 2 days. Most recently, EODynamics AR Ordnance Library was updated on October 6, 2026 and OlympiadMath on October 15, 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.*