# Interactive science 2nd vs Science Audio eBooks Lite 1

The clearest difference is iOS requirement: Science Audio eBooks Lite 1 at 13.0 against Interactive science 2nd's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Interactive science 2nd ships an update every 30 months, Science Audio eBooks Lite 1 every 40 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Interactive science 2nd | Science Audio eBooks Lite 1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/interactive-science-2nd/id1515085020/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 30 months** | Every 40 months |
| Monetization | Free | — |
| Size | 17 MB | 22 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [언어세상](https://appshunter.io/developer/939474498) | [KnowleMedia](https://appshunter.io/developer/1163260545) |

## What reviewers say

### Interactive science 2nd

[App page](https://appshunter.io/ios/app/interactive-science-2nd/id1515085020)

Explore core science concepts across life, physical, earth, space, and technology. This app uses colorful visuals to make learning easier and deeper, aligning with US and Canadian national curricula.

**Highlights:** Life Science topics, Physical Science topics, Earth/Space Science topics, Technology and Society, US and Canada curriculum alignment, Visual learning aids

**Features:** macOS Compatibility

**In-app purchases:** none


### Science Audio eBooks Lite 1

[App page](https://appshunter.io/ios/app/science-audio-ebooks-lite-1/id6448881928)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interactive science 2nd free?

Interactive science 2nd is free to download, with no in-app purchases.

### Is Science Audio eBooks Lite 1 free?

Science Audio eBooks Lite 1 is free to download, with no in-app purchases.

### Do Interactive science 2nd or Science Audio eBooks Lite 1 have ads?

Neither Interactive science 2nd nor Science Audio eBooks Lite 1 shows ads.

### Which is updated more often, Interactive science 2nd or Science Audio eBooks Lite 1?

Interactive science 2nd ships an update every 30 months, and Science Audio eBooks Lite 1 every 40 months. Most recently, Interactive science 2nd was updated on November 3, 2026 and Science Audio eBooks Lite 1 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.*