# VHDL Compiler vs VirtualKim

The clearest difference is rating: VirtualKim at 4.8 against VHDL Compiler's 2.7. VirtualKim also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). VHDL Compiler's advantage is review sentiment (100% vs 85%) and iOS requirement (12.0 vs 17.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. VHDL Compiler sells 1 one-off in-app purchase and VirtualKim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

VirtualKim holds the better App Store score, 4.8 against 2.7. Both are backed by a comparable volume of ratings — 7 and 31 respectively. Written reviews complicate that: 100% of VHDL Compiler's written reviews are positive against 85% of VirtualKim's, so the app with the better star average is not the one people write more warmly about.

VHDL Compiler ships an update every 2 months, VirtualKim weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | VHDL Compiler | VirtualKim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (7 ratings)](https://appshunter.io/ios/app/vhdl-compiler/id1459379888/reviews) | **[4.8 (31 ratings)](https://appshunter.io/ios/app/virtualkim-6502-emulator/id1548356829/reviews)** |
| Number of ratings | 7 | **31** |
| Positive reviews | **100.0% of reviews** | 84.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 20 MB | 72 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ketan Appa](https://appshunter.io/developer/576435759) | [John Kennedy](https://appshunter.io/developer/284943103) |

## What reviewers say

### VHDL Compiler

[App page](https://appshunter.io/ios/app/vhdl-compiler/id1459379888)

Write and test VHDL code on your mobile device. This application is designed for learning and executing VHDL snippets using the GHDL simulator. It offers a code editor with syntax highlighting and a custom keyboard for efficient input.

**Highlights:** Compile and run VHDL programs, View program output and errors, Custom keyboard for VHDL characters, Advanced source code editor, Syntax highlighting and line numbers, Import, open, save, and share files

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $2.99 | one-time |


### VirtualKim

[App page](https://appshunter.io/ios/app/virtualkim-6502-emulator/id1548356829)

Experience the 6502 microprocessor, the heart of 1970s home computers. This app emulates the 8-bit processor with an assembler and programming puzzles. Learn to code on a minimalist interface and discover how early computing was done.

**Highlights:** 6502 CPU emulation, Built-in assembler, Programming puzzles, Minimalist UI with LEDs and buttons, Monitor program for memory editing, Debug and run applications

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $0.99 | one-time |


## Frequently asked questions

### Is VHDL Compiler free?

VHDL Compiler is free to download, with in-app purchases available.

### Is VirtualKim free?

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

### Which has better reviews, VHDL Compiler or VirtualKim?

VirtualKim is rated higher. VHDL Compiler averages 2.7 out of 5 from 7 ratings, while VirtualKim averages 4.8 from 31 ratings.

### Do VHDL Compiler or VirtualKim have ads?

VHDL Compiler shows ads; VirtualKim does not.

### Which is updated more often, VHDL Compiler or VirtualKim?

VHDL Compiler ships an update every 2 months, and VirtualKim weekly. Most recently, VHDL Compiler was updated on November 3, 2026 and VirtualKim on November 3, 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.*