# LispPad Go vs Prepare ML

The clearest difference is in-app purchases: LispPad Go at none against Prepare ML's 2. Prepare ML's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Prepare ML sells 2 in-app purchases, starting at $1.49 per month. LispPad Go asks for nothing beyond the download.

## The numbers

| Metric | LispPad Go | Prepare ML |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 128 MB | 19 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Matthias Zenger](https://appshunter.io/developer/1258939759) | [Ilia Ambrazhevich](https://appshunter.io/developer/1491193492) |

## What reviewers say

### 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

**In-app purchases:** none


### Prepare ML

[App page](https://appshunter.io/ios/app/prepare-ml/id1591738621)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.49 | per month |
| Pay Once | $2.99 | one-time |


## Frequently asked questions

### Is LispPad Go free?

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

### Is Prepare ML free?

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

### Do LispPad Go or Prepare ML have ads?

Neither LispPad Go nor Prepare ML shows ads.

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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.*