# r.Calc vs 0xCalc

The clearest difference is iOS requirement: r.Calc at 2.2.1 against 0xCalc's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

r.Calc costs $0.99 and 0xCalc $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | r.Calc | 0xCalc |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/rcalc/id291200623/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 197 months | — |
| Monetization | Paid | — |
| Size | 0 MB | 0 MB |
| Requires iOS | **2.2.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Jorand](https://appshunter.io/developer/291200626) | [Thomas J Foster](https://appshunter.io/developer/1299823120) |

## What reviewers say

### r.Calc

[App page](https://appshunter.io/ios/app/rcalc/id291200623)

A straightforward calculator utilizing Reverse Polish Notation (RPN) for everyday calculations. It offers a four-level visible stack with a total capacity of 100 positions, providing visual feedback on stack fullness. Basic arithmetic operations and stack manipulation functions are included.

**Highlights:** Reverse Polish Notation (RPN) input, Four visible stack levels, 100-position stack capacity, Progress bar for stack fullness, Basic arithmetic operations, Stack swap and recall functions, Vibration feedback for errors

**Features:** macOS Compatibility

**In-app purchases:** none


### 0xCalc

[App page](https://appshunter.io/ios/app/0xcalc/id6736621440)

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

**In-app purchases:** none


## Frequently asked questions

### Is r.Calc free?

r.Calc costs $0.99, with no in-app purchases.

### Is 0xCalc free?

0xCalc costs $0.99, with no in-app purchases.

### Do r.Calc or 0xCalc have ads?

Neither r.Calc nor 0xCalc 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.*