# PolyCyclo vs Sparse Neural FX Modeler

The clearest difference is in-app purchases: Sparse Neural FX Modeler at none against PolyCyclo's 2. PolyCyclo's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PolyCyclo sells 2 in-app purchases, starting at $4.99 per month. Sparse Neural FX Modeler asks for nothing beyond the download.

PolyCyclo ships an update every 4 days, Sparse Neural FX Modeler every 2 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | PolyCyclo | Sparse Neural FX Modeler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 19 MB | 8 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Taichi Umeki](https://appshunter.io/developer/1896671779) | [Eli Silverstein](https://appshunter.io/developer/6805687105) |

## What reviewers say

### PolyCyclo

[App page](https://appshunter.io/ios/app/polycyclo/id6773147186)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $4.99 | per month |
| Yearly Access | $24.99 | per year |


### 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


## Frequently asked questions

### Is PolyCyclo free?

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

### Is Sparse Neural FX Modeler free?

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

### Do PolyCyclo or Sparse Neural FX Modeler have ads?

Neither PolyCyclo nor Sparse Neural FX Modeler shows ads.

### Which is updated more often, PolyCyclo or Sparse Neural FX Modeler?

PolyCyclo ships an update every 4 days, and Sparse Neural FX Modeler every 2 months. Most recently, PolyCyclo was updated on October 31, 2026 and Sparse Neural FX Modeler on October 31, 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.*