# Solar Symphony vs Kawn

The clearest difference is price: Kawn at Free against Solar Symphony's $5.99. Solar Symphony's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Kawn is free to download; Solar Symphony costs $5.99 up front. Kawn sells 1 one-off in-app purchase. Solar Symphony asks for nothing beyond the download.

## The numbers

| Metric | Solar Symphony | Kawn |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 152 MB | 23 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mikolaj Adamowicz](https://appshunter.io/developer/1448003183) | [Tariq Al-aqrabawi](https://appshunter.io/developer/1877383192) |

## What reviewers say

### Solar Symphony

[App page](https://appshunter.io/ios/app/solar-symphony/id6736586548)

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

**In-app purchases:** none


### Kawn

[App page](https://appshunter.io/ios/app/kawn-science-encyclopedia/id6812048660)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kawn Pro | $4.99 | one-time |


## Frequently asked questions

### Is Solar Symphony free?

Solar Symphony costs $5.99, with no in-app purchases.

### Is Kawn free?

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

### Do Solar Symphony or Kawn have ads?

Kawn shows ads; Solar Symphony does not.

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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.*