# RPN vs ALBERT | AI Note

The clearest difference is update cadence: ALBERT | AI Note at every 3 days against RPN's every 5 months. RPN's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RPN ships an update every 5 months, ALBERT | AI Note every 3 days. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | RPN | ALBERT | AI Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/rpn-67-np/id603100249/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 38 MB | 14 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CuVee Software](https://appshunter.io/developer/424873503) | [agorum Software GmbH](https://appshunter.io/developer/1024552846) |

## 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


### ALBERT | AI Note

[App page](https://appshunter.io/ios/app/albert-ai-note/id6811643549)

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

**In-app purchases:** none


## Frequently asked questions

### Is RPN free?

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

### Is ALBERT | AI Note free?

ALBERT | AI Note is free to download, with no in-app purchases.

### Do RPN or ALBERT | AI Note have ads?

Neither RPN nor ALBERT | AI Note shows ads.

### Which is updated more often, RPN or ALBERT | AI Note?

RPN ships an update every 5 months, and ALBERT | AI Note every 3 days. Most recently, RPN was updated on October 20, 2026 and ALBERT | AI Note 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.*