# Sound vs Audify

The clearest difference is in-app purchases: Sound at none against Audify's 3. Sound also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Audify sells 3 in-app purchases, starting at $2.99 per 7 days. Sound asks for nothing beyond the download.

Sound ships an update every 2 weeks, Audify fortnightly. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Sound | Audify |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 36 MB | 46 MB |
| Requires iOS | **15.8.3** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [苗钰 谭](https://appshunter.io/developer/1797976340) |

## What reviewers say

### Sound

[App page](https://appshunter.io/ios/app/sound-classification/id6504697264)

**Features:** macOS Compatibility

**In-app purchases:** none


### Audify

[App page](https://appshunter.io/ios/app/audify-ai-detect-and-analysis/id6744267644)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Three Months | $6.99 | per 3 months |
| Lifetime member | $12.99 | one-time |


## Frequently asked questions

### Is Sound free?

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

### Is Audify free?

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

### Do Sound or Audify have ads?

Both Sound and Audify show ads.

### Which is updated more often, Sound or Audify?

Sound ships an update every 2 weeks, and Audify fortnightly. Most recently, Sound was updated on September 14, 2026 and Audify on September 9, 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.*