# Science Audio eBooks 2 vs KiddoMaps

The clearest difference is price: KiddoMaps at Free against Science Audio eBooks 2's $9.99. KiddoMaps also leads on update cadence (every 6 weeks vs every 41 months). Science Audio eBooks 2's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 16.6). On ads and device support there is nothing between them.

KiddoMaps is free to download; Science Audio eBooks 2 costs $9.99 up front. KiddoMaps sells 4 in-app purchases, starting at $0.99 per month. Science Audio eBooks 2 asks for nothing beyond the download.

Science Audio eBooks 2 ships an update every 41 months, KiddoMaps every 6 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Science Audio eBooks 2 | KiddoMaps |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 6 weeks** |
| Size | 22 MB | 85 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KnowleMedia](https://appshunter.io/developer/1163260545) | [Lusine Sargsyan](https://appshunter.io/developer/1828171339) |

## What reviewers say

### Science Audio eBooks 2

[App page](https://appshunter.io/ios/app/science-audio-ebooks-2/id6449614729)

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

**In-app purchases:** none


### KiddoMaps

[App page](https://appshunter.io/ios/app/kiddomaps/id6751192347)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access With Free trial | $0.99 | per month |
| Monthly Access | $0.99 | per month |
| Yearly Access | $1.99 | per year |
| Lifetime Access | $0.99 | one-time |


## Frequently asked questions

### Is Science Audio eBooks 2 free?

Science Audio eBooks 2 costs $9.99, with no in-app purchases.

### Is KiddoMaps free?

KiddoMaps is free to download, with in-app purchases available.

### Do Science Audio eBooks 2 or KiddoMaps have ads?

Neither Science Audio eBooks 2 nor KiddoMaps shows ads.

### Which is updated more often, Science Audio eBooks 2 or KiddoMaps?

Science Audio eBooks 2 ships an update every 41 months, and KiddoMaps every 6 weeks. Most recently, Science Audio eBooks 2 was updated on October 27, 2026 and KiddoMaps on October 30, 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.*