# RPN vs Notes and Thoughts

The clearest difference is price: Notes and Thoughts at Free against RPN's $1.99. Notes and Thoughts also leads on update cadence (every 3 weeks vs every 2 months). RPN's advantage is review sentiment (100% vs 90%) and iOS requirement (12.0 vs 17.4). On ads, in-app purchases and device support there is nothing between them.

Notes and Thoughts is free to download; RPN costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RPN ships an update every 2 months, Notes and Thoughts every 3 weeks. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | RPN | Notes and Thoughts |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/rpn-38-cx/id1082636662/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | **100.0% of reviews** | 90.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 12 MB | 2 MB |
| Requires iOS | **12.0** | 17.4 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [CuVee Software](https://appshunter.io/developer/424873503) | [Kevin Chromik](https://appshunter.io/developer/685966038) |

## What reviewers say

### RPN

[App page](https://appshunter.io/ios/app/rpn-38-cx/id1082636662)

This app is a photo-realistic simulation of a classic Hewlett-Packard programmable business calculator. It offers advanced programming features, extensive register memory, and a library of pre-installed programs for various financial and statistical calculations.

**Highlights:** Photo-realistic look-and-feel, Programmable with subroutines and flags, 20 registers with unlimited store/recall, Indirect register addressing, Program library and sharing, Financial and statistical functions, Date and calendar calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### Notes and Thoughts

[App page](https://appshunter.io/ios/app/notes-and-thoughts/id6478027539)

Capture thoughts and ideas instantly without interrupting your current task. This minimalist tool sits in your menubar, offering a streamlined way to jot down notes and maintain focus. It's designed for users who prioritize efficiency and seamless workflow integration.

**Highlights:** Menubar integration, Quick idea capture, Workflow disruption-free, Focus-oriented design, Simple interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RPN free?

RPN costs $1.99, with no in-app purchases.

### Is Notes and Thoughts free?

Notes and Thoughts is free to download, with no in-app purchases.

### Do RPN or Notes and Thoughts have ads?

Neither RPN nor Notes and Thoughts shows ads.

### Which is updated more often, RPN or Notes and Thoughts?

RPN ships an update every 2 months, and Notes and Thoughts every 3 weeks. Most recently, RPN was updated on October 12, 2026 and Notes and Thoughts on October 10, 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.*