# Missing Numbers Minds vs Light Up the Cave

The clearest difference is in-app purchases: Light Up the Cave at none against Missing Numbers Minds's 2. Light Up the Cave also leads on iOS requirement (12.0 vs 26.1). Missing Numbers Minds's advantage is update cadence (every 5 months vs every 35 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. Light Up the Cave asks for nothing beyond the download.

Missing Numbers Minds ships an update every 5 months, Light Up the Cave every 35 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Missing Numbers Minds | Light Up the Cave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/light-up-the-cave/id1471647543/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 35 months |
| Monetization | — | Free |
| Size | 4 MB | 42 MB |
| Requires iOS | 26.1 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Juan Fullana](https://appshunter.io/developer/692107580) | [Smithsonian Institution](https://appshunter.io/developer/370564865) |

## 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 |


### Light Up the Cave

[App page](https://appshunter.io/ios/app/light-up-the-cave/id1471647543)

Explore different light sources within a simulated dark cave environment. This educational tool is designed to align with grade 1 physical science curriculum, focusing on how we can illuminate our surroundings.

**Highlights:** Cave light source simulation, Grade 1 physical science alignment, Interactive learning tool, Exploration of illumination methods

**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 Light Up the Cave free?

Light Up the Cave is free to download, with no in-app purchases.

### Do Missing Numbers Minds or Light Up the Cave have ads?

Neither Missing Numbers Minds nor Light Up the Cave shows ads.

### Which is updated more often, Missing Numbers Minds or Light Up the Cave?

Missing Numbers Minds ships an update every 5 months, and Light Up the Cave every 35 months. Most recently, Missing Numbers Minds was updated on November 6, 2026 and Light Up the Cave 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.*