# RPN vs Math Notes

The clearest difference is review sentiment: RPN at 83% against Math Notes's 0%. RPN also leads on in-app purchases (none vs 4) and rating (4.0 vs 3.6). Math Notes's advantage is update cadence (every 10 days vs every 5 months) and ratings volume (22 vs 4). On price, ads and device support there is nothing between them.

Both are free to download. Math Notes sells 4 in-app purchases, starting at $1.99 per 7 days. RPN asks for nothing beyond the download.

RPN holds the better App Store score, 4.0 against 3.6. That said, the two scores are not equally well evidenced: Math Notes has 22 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 83% of RPN's written reviews are positive against 0% of Math Notes's.

RPN ships an update every 5 months, Math Notes every 10 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RPN | Math Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/rpn-67-np/id603100249/reviews)** | [3.6 (22 ratings)](https://appshunter.io/ios/app/math-notes-math-solver/id6474252913/reviews) |
| Number of ratings | 4 | **22** |
| Positive reviews | **83.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | **Free** | Subscription |
| Size | 38 MB | 651 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CuVee Software](https://appshunter.io/developer/424873503) | [Kairoos Solutions SL](https://appshunter.io/developer/978066434) |

## What reviewers say

### RPN

[App page](https://appshunter.io/ios/app/rpn-67-np/id603100249)

This app simulates a legendary vintage scientific calculator, offering a "live" display of its internal states and a virtual paper tape printer. It allows loading and running original sample programs, with advanced features that can be switched off for an authentic experience.

**Highlights:** Live display of stack and registers, Virtual paper tape printer, Email or print paper tape, Cut/copy/paste display value, 30 selectable background images, Non-volatile memory

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Notes

[App page](https://appshunter.io/ios/app/math-notes-math-solver/id6474252913)

This app offers a specialized keyboard and editor for creating and managing mathematical expressions. It supports LaTeX, real-time rendering, and various export formats, making it ideal for students and professionals alike.

**Highlights:** Innovative Math Keyboard, Multiple Math Symbols, Real-Time Rendering, LaTeX Support, Save and Share, Export Options (PDF, LaTeX, HTML, etc.), PDF Reader and Editor

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Math Notes Full Unlock with AI | $3.99 | per month |
| Math Notes Pro + AI Yearly | $14.99 | per year |
| Math Editor Full Upgrade | $14.99 | one-time |


## Frequently asked questions

### Is RPN free?

RPN is free to download, with no in-app purchases.

### Is Math Notes free?

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

### Which has better reviews, RPN or Math Notes?

RPN is rated higher. RPN averages 4.0 out of 5 from 4 ratings, while Math Notes averages 3.6 from 22 ratings.

### Do RPN or Math Notes have ads?

Neither RPN nor Math Notes shows ads.

### Which is updated more often, RPN or Math Notes?

RPN ships an update every 5 months, and Math Notes every 10 days. Most recently, RPN was updated on October 20, 2026 and Math Notes on October 25, 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.*