# Zero Reverb vs CuSnP

The clearest difference is review sentiment: CuSnP at 100% against Zero Reverb's 35%. CuSnP also leads on price (Free vs $2.99) and rating (4.8 vs 3.4). Zero Reverb's advantage is chart position (#174 vs unranked). On ratings volume, ads, in-app purchases and device support there is nothing between them.

CuSnP is free to download; Zero Reverb costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CuSnP holds the better App Store score, 4.8 against 3.4. Both are backed by a comparable volume of ratings — 46 and 36 respectively. Written reviews point the same way: 35% of Zero Reverb's written reviews are positive against 100% of CuSnP's.

Zero Reverb ships an update every 6 months, CuSnP every 2 months. The most recent releases landed on September 18, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | Zero Reverb | CuSnP |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.4 (46 ratings)](https://appshunter.io/ios/app/zero-reverb/id1051938245/reviews) | **[4.8 (36 ratings)](https://appshunter.io/ios/app/cusnp/id1418236738/reviews)** |
| Number of ratings | **46** | 36 |
| Positive reviews | 34.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#174** | — |
| Size | 9 MB | 9 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blamsoft, Inc.](https://appshunter.io/developer/1051938244) | [Neon Silicon](https://appshunter.io/developer/1409314093) |

## What reviewers say

### Zero Reverb

[App page](https://appshunter.io/ios/app/zero-reverb/id1051938245)

**Currently charting:** #174 Top Paid · Music (US App Store)

Enhance your music production with a modern, high-quality reverb effect. This Audio Unit Extension (AUv3) works within compatible host apps, offering a rich, hall-like sound with adjustable parameters for diverse textures. Easily tweak settings with its expandable controls.

**Highlights:** Audio Unit Extension (AUv3) plugin, Modern hall-like reverb character, Rich feedback and smooth decay, Expandable controls for easy tweaking, Wide variety of reverb textures, Compatible with popular DAWs and hosts

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Zero Reverb free?

Zero Reverb costs $2.99, with no in-app purchases.

### Is CuSnP free?

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

### Which has better reviews, Zero Reverb or CuSnP?

CuSnP is rated higher. Zero Reverb averages 3.4 out of 5 from 46 ratings, while CuSnP averages 4.8 from 36 ratings.

### Do Zero Reverb or CuSnP have ads?

Neither Zero Reverb nor CuSnP shows ads.

### Which is updated more often, Zero Reverb or CuSnP?

Zero Reverb ships an update every 6 months, and CuSnP every 2 months. Most recently, Zero Reverb was updated on September 18, 2026 and CuSnP on July 7, 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.*