WSPM vs So Smooth X
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WSPM
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WSPM-DB SpiltMilk Radio brings a new spin to Urban AC. We shift and uplift the Culture with 24/7 Commercial Free Radio. We play the latest and greatest R&B along with Lofi Hiphop to set the vibe day or night.
So Smooth X
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.
- 24/7 smooth jazz radio
- Exclusive artist premieres
- AI DJ hosts
- Background audio playback
- High-quality streaming audio
- Save and manage favorite content
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So Smooth X is a premium 24/7 smooth jazz radio experience created for listeners around the world. Enjoy nonstop smooth grooves, contemporary jazz, exclusive artist premieres, live programming, AI-powered station personalities, and a beautifully redesigned listening experience. FEATURES • 24/7 smooth jazz radio • Live “Now Playing” synchronization • Featured smooth jazz artists • Exclusive premieres and programming • AI DJ hosts and station personalities • Background audio playback • Lock-screen and media controls • Real-time push notifications • Save and manage favorite content • High-quality streaming audio • Premium member experiences • Apple, Google, and email sign-in • Designed for relaxing, driving, working, and late-night listening Discover saxophone, trumpet, flute, piano, guitar, chill fusion, contemporary jazz, and modern instrumental music in one immersive destination. Whether you are relaxing at home, driving, studying, working, entertaining guests, or setting the mood for the evening, So Smooth X delivers the perfect soundtrack. Live smooth. Listen deeper. Experience So Smooth X.
Screenshots
Verdict
The clearest difference is in-app purchases: WSPM at none against So Smooth X's 2. WSPM also leads on iOS requirement (13.0 vs 15.0). So Smooth X's advantage is device support. On price there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. So Smooth X sells 2 in-app purchases, starting at $19.99 per year. WSPM asks for nothing beyond the download.
| Parameter | WSPM | So Smooth X |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | — | Every 2 days |
| Ads | — | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 28 MB | 191 MB |
| Age rating | 9+ | 4+ |
| Developer | SpiltMilk LLC | Jarel Posey |
In-app purchases
WSPM
No in-app purchases
So Smooth X
- So Smooth X Premium$19.991 Year
- So Smooth X Premium$19.99
