# RPN vs Levers Calculator

The clearest difference is price: RPN at Free against Levers Calculator's $2.99. RPN also leads on update cadence (every 5 months vs every 30 months). Levers Calculator's advantage is rating (4.5 vs 4.0) and device support (3 vs 1). On ratings volume, ads, in-app purchases and iOS requirement there is nothing between them.

RPN is free to download; Levers Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Levers Calculator holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

RPN ships an update every 5 months, Levers Calculator every 30 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | RPN | Levers Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/rpn-67-np/id603100249/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/levers-calculator/id1407649565/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 30 months |
| Monetization | **Free** | Paid |
| Size | 38 MB | 1 MB |
| Requires iOS | **12.0** | 13 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CuVee Software](https://appshunter.io/developer/424873503) | [Nitrio](https://appshunter.io/developer/321121189) |

## 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


### Levers Calculator

[App page](https://appshunter.io/ios/app/levers-calculator/id1407649565)

This physics calculator quickly determines effort force, load force, distances, and mechanical advantage for levers. It includes formulas and supports various units, offering precise calculations up to 16 decimal places.

**Highlights:** Instant force and advantage calculations, Copyable results, Included reference formulas, High precision (16 decimal places), Support for various units, Ad-free and private

**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 Levers Calculator free?

Levers Calculator costs $2.99, with no in-app purchases.

### Which has better reviews, RPN or Levers Calculator?

Levers Calculator is rated higher. RPN averages 4.0 out of 5 from 4 ratings, while Levers Calculator averages 4.5 from 2 ratings.

### Do RPN or Levers Calculator have ads?

Neither RPN nor Levers Calculator shows ads.

### Which is updated more often, RPN or Levers Calculator?

RPN ships an update every 5 months, and Levers Calculator every 30 months. Most recently, RPN was updated on November 1, 2026 and Levers Calculator on November 2, 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.*