DeHiss vs FM Playground
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DeHiss
This audio effect tool is designed to eliminate unwanted hiss noise from analog electronic instruments. It offers a simple slider to reduce environmental noise, making your recordings cleaner.
- Hiss noise removal
- AUv3 plugin support
- Environmental noise reduction
- Instrumental audio enhancement
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Concept: “DeHiss” is an AUv3 EQ tool mainly for removing inevitable hiss noise of analog electronic instruments (unwanted guitar noise for example). Usage: "De-Noise" slider will remove environmental hiss noise. System Requirements: AUv3 host
FM Playground
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FM Playground is an educational app designed for learning and experimenting with FM synthesis (Frequency Modulation Synthesis). Developed as part of the "2025 Swift Sound - Creative Coding for Computer Musicians" project at MARTE Lab, Department of Multimedia, Dongguk University, by Yeonho Kim, Taejun Kim, Seoyul Son, and Sookyung Yoon, with guidance from Gwangyu Lee. The app features multiple interactive views where users can manipulate sound in real time using touch gestures and iPhone sensors (gyroscope, compass, etc.). Key Features: - What is FM Synthesis?: Learn the fundamentals of FM synthesis with an interactive view. Adjust sliders to hear real-time modulation effects and explore complex timbres. - Gesture-based control of timbre, frequency, and volume across various interactive views. - Open-source code available for study, experimentation, and expansion.
Screenshots
Verdict
The clearest difference is price: FM Playground at Free against DeHiss's $1.99. DeHiss's advantage is iOS requirement (12.0 vs 26.0). 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
FM Playground is free to download; DeHiss costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | DeHiss | FM Playground |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | — | Every 3 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 7 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Satoshi Kajii | Gwangyu Lee |
In-app purchases
DeHiss
No in-app purchases
FM Playground
No in-app purchases
