Comparison

LispPad Go vs CGProto

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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

About

CGProto

This app offers a node-based scripting editor for rapid prototyping and learning computer graphics. It provides a sandbox to easily write shaders and JavaScript for creating impressive CG effects.

Highlights
  • Node-based scripting editor
  • Rapid prototyping
  • Learn computer graphics
  • Shader writing (GLSL, HLSL, Metal, Unity ShaderLab)
  • JavaScript scripting
  • Create CG effects
Features
Read full description

CGProto is a node-based scripting editor aims to help developers rapidly prototype or learn computer graphics. It provides a sandbox that you could easily write shader(GLSL, HLSL, Metal or even Unity ShaderLab) and javascript to make impressive CG effects. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

LispPad Go4 screens
CGProto4 screens

Verdict

The call

The clearest difference is in-app purchases: LispPad Go at none against CGProto's 2. LispPad Go also leads on ratings volume (37 vs 2). CGProto's advantage is update cadence (weekly vs every 2 months) and iOS requirement (15.0 vs 17.6). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for LispPad Go against 5.0 for CGProto. That said, the two scores are not equally well evidenced: LispPad Go has 37 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

LispPad Go ships an update every 2 months, CGProto weekly. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

Scorecard5 real differences · 5 level
LispPad Go versus CGProto: the parameters behind the verdict, then further details
ParameterLispPad GoCGProto
PriceFreeFree
Rating4.9 (37 ratings)5.0 (2 ratings) — better
Positive reviews96.3% of reviews—
Number of ratings37 — better2
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size128 MB31 MB
Age rating4+4+
DeveloperMatthias Zenger雄龙 许

Customer experience

LispPad Go

All ratings37 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews27 reviews
Positive96.3%
Neutral3.7%
Negative0.0%

CGProto

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

LispPad Go

No in-app purchases

2 purchases

CGProto

Subscriptions2
  • Pro Monthly$1.491 Month
  • Pro Yearly14 Days trial$9.991 Year

Questions

Is LispPad Go free?
LispPad Go is free to download, with no in-app purchases.
Is CGProto free?
CGProto is free to download, with in-app purchases available.
Which has better reviews, LispPad Go or CGProto?
CGProto is rated higher. LispPad Go averages 4.9 out of 5 from 37 ratings, while CGProto averages 5.0 from 2 ratings.
Do LispPad Go or CGProto have ads?
Neither LispPad Go nor CGProto shows ads.
Which is updated more often, LispPad Go or CGProto?
LispPad Go ships an update every 2 months, and CGProto weekly. Most recently, LispPad Go was updated on October 24, 2026 and CGProto on October 8, 2026.

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