# Air Audio vs Scan2Sides

The clearest difference is update cadence: Air Audio at monthly against Scan2Sides's every 5 months. Air Audio also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Air Audio sells 1 in-app purchase, starting at $6.99 per year and Scan2Sides sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Air Audio ships an update monthly, Scan2Sides every 5 months. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Air Audio | Scan2Sides |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Size | 2 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Coon Creek Software](https://appshunter.io/developer/590274033) | [永杰 杨](https://appshunter.io/developer/1799458676) |

## What reviewers say

### Air Audio

[App page](https://appshunter.io/ios/app/air-audio/id1618808359)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Audio purchase | $6.99 | per year |


### Scan2Sides

[App page](https://appshunter.io/ios/app/scan2sides/id6743626230)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $0.99 | one-time |


## Frequently asked questions

### Is Air Audio free?

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

### Is Scan2Sides free?

Scan2Sides is free to download, with in-app purchases available.

### Do Air Audio or Scan2Sides have ads?

Neither Air Audio nor Scan2Sides shows ads.

### Which is updated more often, Air Audio or Scan2Sides?

Air Audio ships an update monthly, and Scan2Sides every 5 months. Most recently, Air Audio was updated on October 3, 2026 and Scan2Sides on October 6, 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.*