# SDK85 vs Arrayground

The clearest difference is rating: Arrayground at 4.8 against SDK85's 4.0. Arrayground also leads on update cadence (every 5 days vs every 2 weeks) and ratings volume (4 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Arrayground holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

SDK85 ships an update every 2 weeks, Arrayground every 5 days. The most recent releases landed on October 1, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | SDK85 | Arrayground |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/sdk85/id6443719532/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/arrayground/id6453522556/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 12 MB | 6 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Juergen Schuck](https://appshunter.io/developer/1616701349) | [Asakura](https://appshunter.io/developer/1699406481) |

## What reviewers say

### SDK85

[App page](https://appshunter.io/ios/app/sdk85/id6443719532)

This app emulates the Intel SDK-85 System Design Kit, allowing users to program and execute 8085 machine code. It features a hexpad, seven-segment display, and a monitor program, with an optional TTY mode for more comfortable input.

**Highlights:** 8085 microprocessor emulation, Hexpad and seven-segment display UI, Monitor program for code entry/execution, TTY mode for serial terminal input, Code execution suspension to save battery, Play/pause button for resuming execution

**Features:** macOS Compatibility, 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 SDK85 free?

SDK85 is free to download, with no in-app purchases.

### Is Arrayground free?

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

### Which has better reviews, SDK85 or Arrayground?

Arrayground is rated higher. SDK85 averages 4.0 out of 5 from 1 ratings, while Arrayground averages 4.8 from 4 ratings.

### Do SDK85 or Arrayground have ads?

Neither SDK85 nor Arrayground shows ads.

### Which is updated more often, SDK85 or Arrayground?

SDK85 ships an update every 2 weeks, and Arrayground every 5 days. Most recently, SDK85 was updated on October 1, 2026 and Arrayground on August 5, 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.*