# Sparse Neural FX Modeler vs retro_player.mp3

The clearest difference is in-app purchases: Sparse Neural FX Modeler at none against retro_player.mp3's 1. retro_player.mp3's advantage is update cadence (every 6 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. retro_player.mp3 sells 1 one-off in-app purchase. Sparse Neural FX Modeler asks for nothing beyond the download.

Sparse Neural FX Modeler ships an update every 2 months, retro_player.mp3 every 6 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Sparse Neural FX Modeler | retro_player.mp3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/retro-playermp3/id6820493424/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 8 MB | 22 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Eli Silverstein](https://appshunter.io/developer/6805687105) | [False Peak](https://appshunter.io/developer/1814853797) |

## What reviewers say

### Sparse Neural FX Modeler

[App page](https://appshunter.io/ios/app/sparse-neural-fx-modeler/id6805687103)

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

**In-app purchases:** none


### retro_player.mp3

[App page](https://appshunter.io/ios/app/retro-playermp3/id6820493424)

This app plays your existing music files with a unique retro visualizer and automixing features. Customize your playback experience with various display styles and cover art generation. It offers a nostalgic, ad-free, and offline listening experience.

**Highlights:** Retro dot-matrix display with 6 styles, Auto VJ transitions, Crossfading automixing, Generated pixel cover art, Y2K style file naming, Import from Files app, Offline playback

**Features:** Family Sharing, Siri integration, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Retro Player Pro | $9.99 | one-time |


## Frequently asked questions

### Is Sparse Neural FX Modeler free?

Sparse Neural FX Modeler is free to download, with no in-app purchases.

### Is retro_player.mp3 free?

retro_player.mp3 is free to download, with in-app purchases available.

### Do Sparse Neural FX Modeler or retro_player.mp3 have ads?

Neither Sparse Neural FX Modeler nor retro_player.mp3 shows ads.

### Which is updated more often, Sparse Neural FX Modeler or retro_player.mp3?

Sparse Neural FX Modeler ships an update every 2 months, and retro_player.mp3 every 6 days. Most recently, Sparse Neural FX Modeler was updated on October 31, 2026 and retro_player.mp3 on November 6, 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.*