# Castle Builder 2 vs Learn Sound

The clearest difference is rating: Learn Sound at 4.2 against Castle Builder 2's 2.8. Learn Sound also leads on in-app purchases (none vs 1). Castle Builder 2's advantage is iOS requirement (4.3 vs 15.6). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Castle Builder 2 sells 1 one-off in-app purchase. Learn Sound asks for nothing beyond the download.

Learn Sound holds the better App Store score, 4.2 against 2.8. Both are backed by a comparable volume of ratings — 60 and 39 respectively.

## The numbers

| Metric | Castle Builder 2 | Learn Sound |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (60 ratings)](https://appshunter.io/ios/app/castle-builder-2/id602616357/reviews) | **[4.2 (39 ratings)](https://appshunter.io/ios/app/learn-sound-animalsbirds/id1348289271/reviews)** |
| Number of ratings | **60** | 39 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 40 MB | 91 MB |
| Requires iOS | **4.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ettin Entertainment I/S](https://appshunter.io/developer/512521245) | [AppDev Technolabs](https://appshunter.io/developer/1151829528) |

## What reviewers say

### Castle Builder 2

[App page](https://appshunter.io/ios/app/castle-builder-2/id602616357)

Design and construct intricate castles, keeps, and temples. Unleash destructive forces like catapults and magic to demolish your creations and achieve high scores. Features animated characters, detailed objects, and diverse block textures.

**Highlights:** Construct castles, keeps, and temples, Demolish with catapults and magic, Animated characters and detailed objects, Multiple block types with varied textures, Save and share castles online, Toy builder visual style

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Castle Builder 2 Upgrade | $2.99 | one-time |


### Learn Sound

[App page](https://appshunter.io/ios/app/learn-sound-animalsbirds/id1348289271)

Explore the world of animals and birds through interactive sound learning. Discover fascinating facts and hear the distinct calls of various creatures. An engaging educational experience for all ages.

**Highlights:** Learn animal sounds, Learn bird sounds, Discover animal facts, Discover bird facts, Interactive sound learning

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

**In-app purchases:** none


## Frequently asked questions

### Is Castle Builder 2 free?

Castle Builder 2 is free to download, with in-app purchases available.

### Is Learn Sound free?

Learn Sound is free to download, with no in-app purchases.

### Which has better reviews, Castle Builder 2 or Learn Sound?

Learn Sound is rated higher. Castle Builder 2 averages 2.8 out of 5 from 60 ratings, while Learn Sound averages 4.2 from 39 ratings.

### Do Castle Builder 2 or Learn Sound have ads?

Neither Castle Builder 2 nor Learn Sound shows ads.

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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.*