Uber Synth vs HSP Radio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Uber Synth
This app offers a polyphonic multi-timbral FM synthesizer for iOS devices. It features a triple-oscillator sound engine with five distinct multi-timbral options for creating evolving and complex soundscapes. Supports Audiobus for integration with other music apps.
- Polyphonic multi-timbral FM synthesizer
- Triple-oscillator cross-modulated FM engine
- Five multi-timbral options
- Sound map and sound palettes
- Evolving sound generation
- Audiobus support
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Uber Synth is a polyphonic multi-timbral frequency modulated (FM) synthesizer that runs on any iOS device. The underlying sound engine is based on the triple-oscillator cross-modulated FM synthesizer first introduced in our xMod app. Uber Synth provides five multi-timbral options: 1) Mix the sounds of any two sound patches, 2) combine patches using the sound map, 3) Generate specified as well as randomized sound palettes across the keyboard, 4) Specify a region in sound space centered on a sound and move a point by a variable randomized amount within the region each time you play a note to create an evolving mix of the center sound and the sound nearest the point. 5) Do the same as above moving the point automatically at a specified rate. Supports Audiobus.
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.
Screenshots
Verdict
The clearest difference is price: HSP Radio at Free against Uber Synth's $3.99. HSP Radio also leads on rating (4.9 vs 2.0) and review sentiment (90% vs 50%). On ads, in-app purchases and device support 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
HSP Radio is free to download; Uber Synth costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
HSP Radio holds the better App Store score, 4.9 against 2.0. That said, the two scores are not equally well evidenced: HSP Radio has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Uber Synth's written reviews are positive against 90% of HSP Radio's.
| Parameter | Uber Synth | HSP Radio |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 2.0 (1 ratings) | 4.9 (24 ratings) — better |
| Positive reviews | 50.0% of reviews | 90.0% of reviews — better |
| Number of ratings | 1 | 24 — better |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Mark Carlotto | Tyler Merle |
Customer experience
Uber Synth
HSP Radio
In-app purchases
Uber Synth
No in-app purchases
HSP Radio
No in-app purchases









