# Kalkulators vs SwiftRPN

The clearest difference is in-app purchases: SwiftRPN at none against Kalkulators's 1. Kalkulators's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Kalkulators sells 1 one-off in-app purchase. SwiftRPN asks for nothing beyond the download.

## The numbers

| Metric | Kalkulators | SwiftRPN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kalkulators/id761590320/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 9 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 3 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [iPinsoft](https://appshunter.io/developer/344616291) | [Patrick Gelvin](https://appshunter.io/developer/1573354051) |

## What reviewers say

### Kalkulators

[App page](https://appshunter.io/ios/app/kalkulators/id761590320)

This app allows for complex calculations using numbers, operators, and variables. It offers multiple calculator instances and theme customization. Advanced mathematical functions and extended limits are available via in-app purchase.

**Highlights:** Expression input with operators and parentheses, Real-time calculation as you type, Variable support for dynamic calculations, Multiple calculator instances, Customizable themes (light/dark), User-defined precision

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kalkulators Pro | $0.99 | one-time |


### SwiftRPN

[App page](https://appshunter.io/ios/app/swiftrpn/id6470951024)

**In-app purchases:** none


## Frequently asked questions

### Is Kalkulators free?

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

### Is SwiftRPN free?

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

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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.*