# FM Playground vs Prism Pop

The clearest difference is price: FM Playground at Free against Prism Pop's $5.99. Prism Pop's advantage is device support (4 vs 2) and iOS requirement (15.6 vs 26.0). On update cadence, ads and in-app purchases there is nothing between them.

FM Playground is free to download; Prism Pop costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FM Playground | Prism Pop |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/prism-pop-generative-synth/id6815442264/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | — | Paid |
| Size | 19 MB | 11 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gwangyu Lee](https://appshunter.io/developer/1683904838) | [ANCIENT APPARATUS LLC](https://appshunter.io/developer/1895497156) |

## What reviewers say

### FM Playground

[App page](https://appshunter.io/ios/app/fm-playground/id6753267191)

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

**In-app purchases:** none


### Prism Pop

[App page](https://appshunter.io/ios/app/prism-pop-generative-synth/id6815442264)

Create unique ambient soundscapes and musical textures with this generative synthesizer. Explore four distinct sound engines and integrate it into your favorite DAWs or use it standalone for instant musical discovery.

**Highlights:** Four generative DSP engines, AUv3 plugin compatibility, Standalone generative engine, Clean and focused interface, Low CPU overhead, Organic sound design

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FM Playground free?

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

### Is Prism Pop free?

Prism Pop costs $5.99, with no in-app purchases.

### Do FM Playground or Prism Pop have ads?

Neither FM Playground nor Prism Pop shows ads.

### Which is updated more often, FM Playground or Prism Pop?

FM Playground ships an update every 3 days, and Prism Pop every 3 days. Most recently, FM Playground was updated on October 6, 2026 and Prism Pop on October 25, 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.*