# LPKMusic vs So Smooth X

The clearest difference is in-app purchases: LPKMusic at none against So Smooth X's 2. So Smooth X's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. So Smooth X sells 2 in-app purchases, starting at $19.99 per year. LPKMusic asks for nothing beyond the download.

LPKMusic ships an update every 4 days, So Smooth X every 2 days. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | LPKMusic | So Smooth X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/so-smooth-x/id6771631701/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 9 MB | 191 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Onusoft Inc.](https://appshunter.io/developer/1503472551) | [Jarel Posey](https://appshunter.io/developer/6771631703) |

## What reviewers say

### LPKMusic

[App page](https://appshunter.io/ios/app/lpkmusic/id6502742929)

**Features:** macOS Compatibility

**In-app purchases:** none


### So Smooth X

[App page](https://appshunter.io/ios/app/so-smooth-x/id6771631701)

Experience a 24/7 stream of smooth jazz, featuring exclusive artist premieres and AI-powered hosts. Enjoy high-quality audio, background playback, and personalized content for any mood or activity.

**Highlights:** 24/7 smooth jazz radio, Exclusive artist premieres, AI DJ hosts, Background audio playback, High-quality streaming audio, Save and manage favorite content

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| So Smooth X Premium | $19.99 | per year |
| So Smooth X Premium | $19.99 | one-time |


## Frequently asked questions

### Is LPKMusic free?

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

### Is So Smooth X free?

So Smooth X is free to download, with in-app purchases available.

### Do LPKMusic or So Smooth X have ads?

Neither LPKMusic nor So Smooth X shows ads.

### Which is updated more often, LPKMusic or So Smooth X?

LPKMusic ships an update every 4 days, and So Smooth X every 2 days. Most recently, LPKMusic was updated on October 2, 2026 and So Smooth X on October 5, 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.*