# QDesigner vs LispPad Go

The clearest difference is in-app purchases: LispPad Go at none against QDesigner's 2. QDesigner's advantage is update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. QDesigner sells 2 in-app purchases, starting at $3.99 per month. LispPad Go asks for nothing beyond the download.

QDesigner ships an update fortnightly, LispPad Go every 2 months. The most recent releases landed on October 27, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | QDesigner | LispPad Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (37 ratings)](https://appshunter.io/ios/app/lisppad-go/id1565747728/reviews)** |
| Number of ratings | — | **37** |
| Positive reviews | — | 96.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Free |
| Size | 13 MB | 135 MB |
| Requires iOS | **17.5** | 18.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Q Solutions](https://appshunter.io/developer/336390295) | [Matthias Zenger](https://appshunter.io/developer/1258939759) |

## What reviewers say

### QDesigner

[App page](https://appshunter.io/ios/app/qdesigner/id1500810470)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Generate SwiftUI Code | $3.99 | per month |
| Generate SwiftUI Code | $19.99 | per year |


### LispPad Go

[App page](https://appshunter.io/ios/app/lisppad-go/id1565747728)

This app is a lightweight development environment for writing and running Scheme code on iOS. It features a Scheme interpreter, a console for interaction, and a text editor with syntax highlighting and smart indentation. It supports R7RS standard Scheme with a wide range of libraries, including iOS-specific ones.

**Highlights:** Integrated Scheme interpreter, Read-eval-print loop console, Syntax highlighting text editor, R7RS standard Scheme support, iOS-specific libraries, Hygienic macros, Full numerical tower support

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

**In-app purchases:** none


## Frequently asked questions

### Is QDesigner free?

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

### Is LispPad Go free?

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

### Do QDesigner or LispPad Go have ads?

Neither QDesigner nor LispPad Go shows ads.

### Which is updated more often, QDesigner or LispPad Go?

QDesigner ships an update fortnightly, and LispPad Go every 2 months. Most recently, QDesigner was updated on October 27, 2026 and LispPad Go on November 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.*