LispPad Go vs Prepare ML
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LispPad Go
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.
- 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
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LispPad Go is a simple, lightweight, integrated development environment for developing and running Scheme code on iOS. The language supported by LispPad Go is based on the R7RS standard of the Scheme programming language. LispPad Go provides the following components: • A fully integrated Scheme interpreter • A console with a read-eval-print loop to interact with the interpreter • A text editor for writing Scheme code, supporting syntax highlighting, smart indentation, parenthesis matching, etc. • A large range of libraries, including iOS-specific libraries e.g. for networking, graphics, audio, databases, archival, text processing, etc. • Support for the Shortcuts app, allowing the execution of LispPad programs as standalone applications The Scheme dialect supported by LispPad Go provides the following features: • R7RS-compliant libraries • Hygienic macros based on syntax-rules • First-class environments • call/cc, dynamic-wind and exceptions • Dynamically-scoped parameters • Multiple return values • Delayed execution via promises and streams • Support for the full numerical tower consisting of arbitrary size integers, rationals, real numbers, and inexact complex numbers. • Unicode strings and characters • Vectors and bytevectors • Text and binary ports • R7RS-compliant extensible records • R6RS-compliant hashtables and enumerations • Threads
Prepare ML
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Prepare ML will help you to prepare training data for Xcode's Create ML Object Detection models.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | LispPad Go | Prepare ML |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (37 ratings) — better | — |
| Positive reviews | 96.3% of reviews | — |
| Number of ratings | 37 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPad, Mac |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 128 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthias Zenger | Ilia Ambrazhevich |
In-app purchases
LispPad Go
No in-app purchases
Prepare ML
- Monthly Subscription$1.491 Month
- Pay Once$2.99









