# Light Up the Cave vs Confusing Words

The clearest difference is update cadence: Confusing Words at every 6 months against Light Up the Cave's every 35 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Light Up the Cave ships an update every 35 months, Confusing Words every 6 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Light Up the Cave | Confusing Words |
| --- | --- | --- |
| 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 | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 42 MB | 1 MB |
| Requires iOS | **12.0** | 13.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smithsonian Institution](https://appshunter.io/developer/370564865) | [Robby Blakemore](https://appshunter.io/developer/1293541886) |

## What reviewers say

### 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


### Confusing Words

[App page](https://appshunter.io/ios/app/confusing-words/id1558877698)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Light Up the Cave free?

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

### Is Confusing Words free?

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

### Do Light Up the Cave or Confusing Words have ads?

Neither Light Up the Cave nor Confusing Words shows ads.

### Which is updated more often, Light Up the Cave or Confusing Words?

Light Up the Cave ships an update every 35 months, and Confusing Words every 6 months. Most recently, Light Up the Cave was updated on November 3, 2026 and Confusing Words on November 7, 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.*