# iCircuit vs VHDL Compiler

The clearest difference is price: VHDL Compiler at Free against iCircuit's $12.99. VHDL Compiler also leads on review sentiment (100% vs 61%). iCircuit's advantage is rating (3.9 vs 2.7) and ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

VHDL Compiler is free to download; iCircuit costs $12.99 up front. iCircuit sells 2 in-app purchases, starting at $1.99 per month and VHDL Compiler sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

iCircuit holds the better App Store score, 3.9 against 2.7. That said, the two scores are not equally well evidenced: iCircuit has 146 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 61% of iCircuit's written reviews are positive against 100% of VHDL Compiler's, so the app with the better star average is not the one people write more warmly about.

iCircuit ships an update every 4 weeks, VHDL Compiler every 2 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | iCircuit | VHDL Compiler |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[3.9 (146 ratings)](https://appshunter.io/ios/app/icircuit/id383359044/reviews)** | [2.7 (7 ratings)](https://appshunter.io/ios/app/vhdl-compiler/id1459379888/reviews) |
| Number of ratings | **146** | 7 |
| Positive reviews | 61.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 179 MB | 20 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krueger Systems, Inc.](https://appshunter.io/developer/299293363) | [Ketan Appa](https://appshunter.io/developer/576435759) |

## What reviewers say

### iCircuit

[App page](https://appshunter.io/ios/app/icircuit/id383359044)

Design and simulate analog and digital electronic circuits in real-time. This app offers a comprehensive component library, built-in test equipment, and the ability to create custom elements. It's ideal for learning, prototyping, and validating designs without physical components.

**Highlights:** Real-time circuit simulation, Extensive component library (300+), Built-in test equipment (multimeter, oscilloscope), Programmable Arduino and PIC microcontroller support, Custom element creation and sharing, Audio simulation

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iCircuit Pro (Monthly) | $1.99 | per month |
| iCircuit Pro (Yearly) | $14.99 | per year |

**What reviewers like**

- 🚀 Great for learning and testing
- 👍 Intuitive and easy to use
- 💡 Programmable Arduino integration
- 👍 Useful for hobbyists and students

**What reviewers complain about**

- 🐛 Buggy and crashes frequently
- 🔧 Difficult to edit and delete components
- 🔧 Limited component library
- 🔧 Inaccurate simulation results in some cases

**Reported bugs**

- Oscilloscope and meter functions not working properly
- Saving and loading circuits can be unreliable
- Inconsistent behavior when rotating/flipping components
- Crashes when working with larger or more complex circuits

**Requested features**

- More components (e.g. transformers, triodes, MOSFETs)
- Ability to create custom components
- Frequency domain analysis (Bode plots, FFT)
- Improved wiring and component placement controls
- Better support for AC circuits and motors


### 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 |


## Frequently asked questions

### Is iCircuit free?

iCircuit costs $12.99, and also offers in-app purchases.

### Is VHDL Compiler free?

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

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

iCircuit is rated higher. iCircuit averages 3.9 out of 5 from 146 ratings, while VHDL Compiler averages 2.7 from 7 ratings.

### Do iCircuit or VHDL Compiler have ads?

VHDL Compiler shows ads; iCircuit does not.

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

iCircuit ships an update every 4 weeks, and VHDL Compiler every 2 months. Most recently, iCircuit was updated on November 1, 2026 and VHDL Compiler on October 26, 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.*