# RPN vs VerilogEditor

The clearest difference is price: VerilogEditor at Free against RPN's $1.99. RPN's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 1). On review sentiment, update cadence, ads and device support there is nothing between them.

VerilogEditor is free to download; RPN costs $1.99 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, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

RPN ships an update every 3 months, VerilogEditor every 4 months. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RPN | VerilogEditor |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/rpn-55-sd/id1469907917/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/verilogeditor/id6740221280/reviews) |
| Number of ratings | **8** | 2 |
| Positive reviews | 100.0% 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** |
| Best chart rank | **#105** | — |
| Size | 17 MB | 15 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | 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-55-sd/id1469907917)

**Currently charting:** #105 Top Paid · Productivity (US App Store)

This app is a photo-realistic simulation of a classic Hewlett-Packard programmable scientific calculator from the 1970s. It includes a 100-hour digital timer, clock functions, and original HP programs.

**Highlights:** Photo-realistic look-and-feel, Programmable with conditional branching, 100-hr timer and 12/24-hr clock, Original HP programs built-in, Extended features for enhanced usability, Sharing via email, AirDrop, and more

**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 $1.99, 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 5.0 out of 5 from 8 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 25, 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.*