# RPN vs CaaaalcIt

The clearest difference is review sentiment: RPN at 100% against CaaaalcIt's 0%. CaaaalcIt's advantage is iOS requirement (10.2 vs 12.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

## The numbers

| Metric | RPN | CaaaalcIt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/rpn-70-sd/id738422213/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Free | Free |
| Size | 17 MB | 14 MB |
| Requires iOS | 12.0 | **10.2** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CuVee Software](https://appshunter.io/developer/424873503) | [darius beretta](https://appshunter.io/developer/1400032933) |

## What reviewers say

### RPN

[App page](https://appshunter.io/ios/app/rpn-70-sd/id738422213)

This app is a faithful simulation of a rare 1974 financial calculator, offering all its original functions with enhanced features like more memory registers and a visual stack display. It's designed for users who appreciate vintage technology and need precise financial calculations.

**Highlights:** Photo-realistic vintage calculator design, Full HP-70 function simulation, Animated keys with sound, Enhanced stack and memory register view, Cut/copy/paste display value, Input parameter visual indicators

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

**In-app purchases:** none


### CaaaalcIt

[App page](https://appshunter.io/ios/app/caaaalcit/id1556732744)

This calculator app uses Reverse Polish Notation (RPN) for efficient calculations. It features a visible stack for tracking operations and offers numerous functions to explore.

**Highlights:** Reverse Polish Notation (RPN), 4 visible stack levels, Numerous functions, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RPN free?

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

### Is CaaaalcIt free?

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

### Do RPN or CaaaalcIt have ads?

Neither RPN nor CaaaalcIt shows ads.

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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.*