# Audio vs Save The World (Synairg)

The clearest difference is device support: Audio at 3 against Save The World (Synairg)'s —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Audio | Save The World (Synairg) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 13 months | — |
| Size | 25 MB | 171 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [BonoLingo Group AS](https://appshunter.io/developer/1366849574) | [Ioanna Fergadiotou](https://appshunter.io/developer/1700416840) |

## What reviewers say

### Audio

[App page](https://appshunter.io/ios/app/audio-visual-dictionary/id1509079715)

**In-app purchases:** none


### Save The World (Synairg)

[App page](https://appshunter.io/ios/app/save-the-world-synairg/id6456408795)

**In-app purchases:** none


## Frequently asked questions

### Is Audio free?

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

### Is Save The World (Synairg) free?

Save The World (Synairg) is free to download, with no in-app purchases.

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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.*