# RPN vs VerilogEditor

The clearest difference is price: VerilogEditor at Free against RPN's $4.99. VerilogEditor also leads on review sentiment (100% vs 90%). RPN's advantage is rating (4.3 vs 3.0) and in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

VerilogEditor is free to download; RPN costs $4.99 up front. VerilogEditor sells 1 in-app purchase, starting at $0.99 per month. RPN asks for nothing beyond the download.

RPN holds the better App Store score, 4.3 against 3.0. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews complicate that: 90% of RPN's written reviews are positive against 100% of VerilogEditor's, so the app with the better star average is not the one people write more warmly about.

RPN ships an update every 3 months, VerilogEditor every 4 months. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RPN | VerilogEditor |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/rpn-67-pro/id603103972/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/verilogeditor/id6740221280/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 90.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Paid | **Freemium** |
| Size | 78 MB | 15 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CuVee Software](https://appshunter.io/developer/424873503) | [AIP Technology Corporation, Taiwan Branch](https://appshunter.io/developer/1733199040) |

## What reviewers say

### RPN

[App page](https://appshunter.io/ios/app/rpn-67-pro/id603103972)

This app is a faithful simulation of a legendary 1970s programmable calculator, offering advanced features for scientists and engineers. It allows users to run existing programs, manage virtual program cards, and even print listings, all on their iPad.

**Highlights:** Virtual program and data cards, Virtual paper tape printer, Database-driven card manager, Save card collections to Mac/PC, Formatted program listings, Print listings via AirPrint, Live display of stack and registers

**Features:** macOS Compatibility

**In-app purchases:** none


### VerilogEditor

[App page](https://appshunter.io/ios/app/verilogeditor/id6740221280)

Generate Verilog code for digital circuit design using an intuitive graphical interface. Inspect and analyze simulation results by browsing VCD data. Streamline your hardware design workflow.

**Highlights:** Intuitive GUI for Verilog code generation, Browse VCD data for simulation analysis, Streamlined digital circuit design workflow, Supports iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BasicUser | $0.99 | per month |


## Frequently asked questions

### Is RPN free?

RPN costs $4.99, with no in-app purchases.

### Is VerilogEditor free?

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

### Which has better reviews, RPN or VerilogEditor?

RPN is rated higher. RPN averages 4.3 out of 5 from 6 ratings, while VerilogEditor averages 3.0 from 2 ratings.

### Do RPN or VerilogEditor have ads?

Neither RPN nor VerilogEditor shows ads.

### Which is updated more often, RPN or VerilogEditor?

RPN ships an update every 3 months, and VerilogEditor every 4 months. Most recently, RPN was updated on September 21, 2026 and VerilogEditor on September 9, 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.*