# C.HOP vs Surface Builder

The clearest difference is review sentiment: Surface Builder at 80% against C.HOP's 0%. Surface Builder also leads on rating (4.7 vs 2.0) and update cadence (every 3 weeks vs every 35 months). C.HOP's advantage is price ($0.99 vs $14.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

C.HOP costs $0.99 and Surface Builder $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Surface Builder holds the better App Store score, 4.7 against 2.0. Both are backed by a comparable volume of ratings — 4 and 15 respectively. Written reviews point the same way: 0% of C.HOP's written reviews are positive against 80% of Surface Builder's.

C.HOP ships an update every 35 months, Surface Builder every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | C.HOP | Surface Builder |
| --- | --- | --- |
| Price | **$0.99** | $14.99 |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/chop/id1545248253/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/surface-builder/id6449735778/reviews)** |
| Number of ratings | 4 | **15** |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 9 MB | 32 MB |
| Requires iOS | 15.0 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paolo Giorgi](https://appshunter.io/developer/1481916003) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### C.HOP

[App page](https://appshunter.io/ios/app/chop/id1545248253)

This portable tool allows musicians to create vintage vocal chops by automatically chopping audio based on a set threshold. Users can export their creations to a DAW or play them directly within the application, blending old-school inspiration with modern audio editing.

**Highlights:** Portable vocal chopper, Automatic audio chopping, Adjustable threshold, Export to DAW, In-app playback, Vintage sound inspiration

**Features:** macOS Compatibility

**In-app purchases:** none


### Surface Builder

[App page](https://appshunter.io/ios/app/surface-builder/id6449735778)

Create custom MIDI control surfaces for audio applications. Design interfaces with buttons, knobs, and faders to send and receive MIDI data, control audio clips, and customize appearance. Supports AUv3 plugins and standalone use.

**Highlights:** Customizable MIDI control surfaces, AUv3 plugin and standalone modes, Send/receive MIDI data (notes, controllers, pitch bend), Audio clip playback control, Multi-scene interface design, Drag and drop interface customization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is C.HOP free?

C.HOP costs $0.99, with no in-app purchases.

### Is Surface Builder free?

Surface Builder costs $14.99, with no in-app purchases.

### Which has better reviews, C.HOP or Surface Builder?

Surface Builder is rated higher. C.HOP averages 2.0 out of 5 from 4 ratings, while Surface Builder averages 4.7 from 15 ratings.

### Do C.HOP or Surface Builder have ads?

Neither C.HOP nor Surface Builder shows ads.

### Which is updated more often, C.HOP or Surface Builder?

C.HOP ships an update every 35 months, and Surface Builder every 3 weeks. Most recently, C.HOP was updated on November 3, 2026 and Surface Builder on November 3, 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.*