# My Lisp vs Arrayground

The clearest difference is price: Arrayground at Free against My Lisp's $3.99. Arrayground also leads on rating (4.8 vs 4.1) and review sentiment (100% vs 69%). My Lisp's advantage is chart position (#80 vs unranked) and ratings volume (17 vs 4). On ads, in-app purchases and device support there is nothing between them.

Arrayground is free to download; My Lisp costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Arrayground holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 17 and 4 respectively. Written reviews point the same way: 69% of My Lisp's written reviews are positive against 100% of Arrayground's.

My Lisp ships an update every 6 weeks, Arrayground every 5 days. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | My Lisp | Arrayground |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.1 (17 ratings)](https://appshunter.io/ios/app/my-lisp/id1245341806/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/arrayground/id6453522556/reviews)** |
| Number of ratings | **17** | 4 |
| Positive reviews | 68.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Paid | **Free** |
| Best chart rank | **#80** | — |
| Size | 19 MB | 6 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Laurent Rodier](https://appshunter.io/developer/697920086) | [Asakura](https://appshunter.io/developer/1699406481) |

## What reviewers say

### My Lisp

[App page](https://appshunter.io/ios/app/my-lisp/id1245341806)

**Currently charting:** #80 Top Paid · Developer Tools (US App Store)

A comprehensive Lisp programming environment for iOS and macOS devices. It offers a local interpreter, editor, and extensive libraries for learning and developing Lisp programs, including advanced mathematical functions and symbolic derivation.

**Highlights:** Local Lisp interpreter, Integrated editor, Core and mathematical operators, Advanced mathematics functions, Symbolic derivation module, Library and example files, User and reference manuals

**Features:** Vision Pro support

**In-app purchases:** none


### Arrayground

[App page](https://appshunter.io/ios/app/arrayground/id6453522556)

This app provides a mobile interface for interacting with CBQN and ngn/k libraries. It functions as a REPL (Read-Eval-Print Loop) for developers working with these specific programming environments on their mobile devices.

**Highlights:** Mobile REPL interface, CBQN library integration, ngn/k library integration, SwiftUI application, Works on iPhone and iPad

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

**In-app purchases:** none


## Frequently asked questions

### Is My Lisp free?

My Lisp costs $3.99, with no in-app purchases.

### Is Arrayground free?

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

### Which has better reviews, My Lisp or Arrayground?

Arrayground is rated higher. My Lisp averages 4.1 out of 5 from 17 ratings, while Arrayground averages 4.8 from 4 ratings.

### Do My Lisp or Arrayground have ads?

Neither My Lisp nor Arrayground shows ads.

### Which is updated more often, My Lisp or Arrayground?

My Lisp ships an update every 6 weeks, and Arrayground every 5 days. Most recently, My Lisp was updated on October 2, 2026 and Arrayground on September 29, 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.*