# Sound vs Sink It for YouTube

The clearest difference is in-app purchases: Sound at none against Sink It for YouTube's 3. Sound also leads on iOS requirement (15.8.3 vs 17.6). Sink It for YouTube's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Sink It for YouTube sells 3 one-off in-app purchases. Sound asks for nothing beyond the download.

Sound ships an update every 2 weeks, Sink It for YouTube every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Sound | Sink It for YouTube |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sink-it-for-youtube/id6798803425/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 36 MB | 4 MB |
| Requires iOS | **15.8.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Tony Sundharam](https://appshunter.io/developer/1585189351) |

## What reviewers say

### Sound

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Sink It for YouTube

[App page](https://appshunter.io/ios/app/sink-it-for-youtube/id6798803425)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Micro Tip | $2.99 | one-time |
| Thoughtful Tip | $4.99 | one-time |
| Mega Tip | $9.99 | one-time |


## Frequently asked questions

### Is Sound free?

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

### Is Sink It for YouTube free?

Sink It for YouTube is free to download, with in-app purchases available.

### Do Sound or Sink It for YouTube have ads?

Sound shows ads; Sink It for YouTube does not.

### Which is updated more often, Sound or Sink It for YouTube?

Sound ships an update every 2 weeks, and Sink It for YouTube every 3 weeks. Most recently, Sound was updated on October 25, 2026 and Sink It for YouTube on October 25, 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.*