# Enter ZG vs Surface Builder

The clearest difference is price: Enter ZG at Free against Surface Builder's $14.99. Enter ZG also leads on update cadence (every 10 days vs every 3 weeks). Surface Builder's advantage is iOS requirement (13 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Enter ZG is free to download; Surface Builder costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Enter ZG ships an update every 10 days, Surface Builder every 3 weeks. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Enter ZG | Surface Builder |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | — | **[4.7 (15 ratings)](https://appshunter.io/ios/app/surface-builder/id6449735778/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | — | Paid |
| Size | 3 MB | 32 MB |
| Requires iOS | 15.0 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Internet jelovnik d.o.o.](https://appshunter.io/developer/1479057234) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### Enter ZG

[App page](https://appshunter.io/ios/app/enter-zg/id1257818797)

**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 Enter ZG free?

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

### Is Surface Builder free?

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

### Do Enter ZG or Surface Builder have ads?

Neither Enter ZG nor Surface Builder shows ads.

### Which is updated more often, Enter ZG or Surface Builder?

Enter ZG ships an update every 10 days, and Surface Builder every 3 weeks. Most recently, Enter ZG was updated on October 26, 2026 and Surface Builder on October 20, 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.*