# CuSnP vs Filterjam

The clearest difference is update cadence: CuSnP at every 2 months against Filterjam's every 22 months. CuSnP also leads on review sentiment (100% vs 83%) and iOS requirement (11.0 vs 14.0). Filterjam's advantage is rating (5.0 vs 4.8). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Filterjam holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 36 and 34 respectively. Written reviews complicate that: 100% of CuSnP's written reviews are positive against 83% of Filterjam's, so the app with the better star average is not the one people write more warmly about.

CuSnP ships an update every 2 months, Filterjam every 22 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CuSnP | Filterjam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (36 ratings)](https://appshunter.io/ios/app/cusnp/id1418236738/reviews) | **[5.0 (34 ratings)](https://appshunter.io/ios/app/filterjam/id1659941144/reviews)** |
| Number of ratings | **36** | 34 |
| Positive reviews | **100.0% of reviews** | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 22 months |
| Monetization | Free | Free |
| Size | 9 MB | 25 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neon Silicon](https://appshunter.io/developer/1409314093) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### CuSnP

[App page](https://appshunter.io/ios/app/cusnp/id1418236738)

This app acts as a container for a sympathetic string simulation Audio Unit Extension. It requires another application to function, where it generates resonant sounds based on input audio. It's designed for musicians and audio producers.

**Highlights:** Sympathetic string simulation, Audio Unit Extension (AU), Resonates with input audio, Container for AU functionality, Documentation included

**In-app purchases:** none


### Filterjam

[App page](https://appshunter.io/ios/app/filterjam/id1659941144)

This app offers a multiband resonant filter for creating unique audio effects. It divides input signals into four bands, allowing for various sonic manipulations from subtle enhancements to extreme sound mangling.

**Highlights:** Multiband resonant filtering, 4-band signal division, Sum or multiply band modes, Versatile sound shaping, Ringmod-like effects

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CuSnP free?

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

### Is Filterjam free?

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

### Which has better reviews, CuSnP or Filterjam?

Filterjam is rated higher. CuSnP averages 4.8 out of 5 from 36 ratings, while Filterjam averages 5.0 from 34 ratings.

### Do CuSnP or Filterjam have ads?

Neither CuSnP nor Filterjam shows ads.

### Which is updated more often, CuSnP or Filterjam?

CuSnP ships an update every 2 months, and Filterjam every 22 months. Most recently, CuSnP was updated on October 7, 2026 and Filterjam on October 15, 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.*