# Missing Numbers Minds vs Visualization and EDG with AR

The clearest difference is in-app purchases: Visualization and EDG with AR at none against Missing Numbers Minds's 2. Visualization and EDG with AR also leads on iOS requirement (15.0 vs 26.1). Missing Numbers Minds's advantage is update cadence (every 5 months vs every 61 months). On price, ads and device support there is nothing between them.

Both are free to download. Missing Numbers Minds sells 2 one-off in-app purchases. Visualization and EDG with AR asks for nothing beyond the download.

Missing Numbers Minds ships an update every 5 months, Visualization and EDG with AR every 61 months. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Missing Numbers Minds | Visualization and EDG with AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/visualization-and-edg-with-ar/id1459222530/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 61 months |
| Monetization | — | Free |
| Size | 4 MB | 132 MB |
| Requires iOS | 26.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Juan Fullana](https://appshunter.io/developer/692107580) | [Instituto de Investigacion e Innovacion en Bioingenieria - UPV](https://appshunter.io/developer/1210753001) |

## What reviewers say

### Missing Numbers Minds

[App page](https://appshunter.io/ios/app/missing-numbers-minds/id980949764)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation for maintenance. | $0.99 | one-time |
| Extra for develop and maintenance | $0.99 | one-time |


### Visualization and EDG with AR

[App page](https://appshunter.io/ios/app/visualization-and-edg-with-ar/id1459222530)

Explore 3D engineering models with or without augmented reality. Rotate models directly on your device or use your camera to overlay them onto physical markers from a companion book.

**Highlights:** View 3D engineering models, Augmented reality integration, Rotate models with touch gestures, Overlay models onto book markers, Companion to a specific textbook

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Missing Numbers Minds free?

Missing Numbers Minds is free to download, with in-app purchases available.

### Is Visualization and EDG with AR free?

Visualization and EDG with AR is free to download, with no in-app purchases.

### Do Missing Numbers Minds or Visualization and EDG with AR have ads?

Neither Missing Numbers Minds nor Visualization and EDG with AR shows ads.

### Which is updated more often, Missing Numbers Minds or Visualization and EDG with AR?

Missing Numbers Minds ships an update every 5 months, and Visualization and EDG with AR every 61 months. Most recently, Missing Numbers Minds was updated on September 9, 2026 and Visualization and EDG with AR on September 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.*