HSP Radio vs Cellarkalt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HSP Radio
This app provides a 24/7 stream of ambient, drone, and meditative music from artists associated with a specific label. It focuses on healing sounds and soundscapes, offering an uninterrupted listening experience.
- 24/7 streaming
- Ambient music
- Meditative soundscapes
- Healing sounds
- Artist-curated content
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Created by the Past Inside the Present (PITP) label, HSP Radio is a FREE streaming app that explores healing sounds and meditative dronescapes from HSP artists. Healing Sound Propagandist (HSP) is a digital-only sub-label of Past Inside the Present. HSP Radio is a 24/7 online radio station, broadcasting without interruption. HSP Radio's primary output is ambient, drone and meditative music.
Cellarkalt
Explore experimental soundscapes, dark ambient, and Lo-Fi noises from a prolific music project launched in 1999. Experience sonic adventures and Dadaist influences through audio-visual performances and curated radio shows.
- Experimental soundscapes
- Dark ambient music
- Lo-Fi noises
- Dadaist sonic adventures
- Audio-visual live shows
- Radio show hosting
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Cellarkalt is the experimental music project of Benedikt Schmidt, launched in 1999. It’s about experimental soundscapes, dark ambient, Lo-Fi noises, dadaism, and sonic adventures. Cellarkalt already performed audio-visual live shows at Krake Festival and at Echo Bücher (both in Berlin). Benedikt Schmidt is a German artist, living in Santanyí, Majorca. He founded the acid house act Snuff Crew and also produces music and plays live under his moniker Snuffo. Schmidt runs the labels Snuff Trax and In The Dark Again. He also writes books and hosts his own radio show "Snuffo in Santanyí".
Screenshots
Verdict
The clearest difference is ratings volume: HSP Radio at 24 against Cellarkalt's 4. HSP Radio also leads on iOS requirement (8.0 vs 13.0). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.9 for HSP Radio against 5.0 for Cellarkalt. That said, the two scores are not equally well evidenced: HSP Radio has 24 ratings behind it against 4, so its average is the more settled of the two.
| Parameter | HSP Radio | Cellarkalt |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (24 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 90.0% of reviews | — |
| Number of ratings | 24 — better | 4 |
| Update frequency | — | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 67 MB | 35 MB |
| Age rating | 4+ | 17+ |
| Developer | Tyler Merle | Benedikt Schmidt |
Customer experience
HSP Radio
Cellarkalt
In-app purchases
HSP Radio
No in-app purchases
Cellarkalt
No in-app purchases







