# RePNCalc vs Game Controller Data Viewer

The clearest difference is price: RePNCalc at Free against Game Controller Data Viewer's $2.99. Game Controller Data Viewer's advantage is in-app purchases (none vs 1). On review sentiment, ads, device support and iOS requirement there is nothing between them.

RePNCalc is free to download; Game Controller Data Viewer costs $2.99 up front. RePNCalc sells 1 one-off in-app purchase. Game Controller Data Viewer asks for nothing beyond the download.

## The numbers

| Metric | RePNCalc | Game Controller Data Viewer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/repncalc-rpn-calculator-pro/id969780852/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 8 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Michael Redig](https://appshunter.io/developer/761861103) | [Takahide Noro](https://appshunter.io/developer/432320517) |

## What reviewers say

### RePNCalc

[App page](https://appshunter.io/ios/app/repncalc-rpn-calculator-pro/id969780852)

This utility app offers a Reverse Polish Notation (RPN) calculator experience for iOS devices. It features customizable key layouts via swipe gestures and long-press options for stack items. External keyboard support is also available.

**Highlights:** Reverse Polish Notation (RPN) input, Swipe gesture key layout customization, Long-press stack item options, External keyboard support, Full iPad, iPhone, and iPod touch support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Advanced Functions | $0.99 | one-time |


### Game Controller Data Viewer

[App page](https://appshunter.io/ios/app/game-controller-data-viewer/id6470175443)

Monitor your game controller's real-time input values, from simple on/off signals to detailed pressure-sensitive data. This app helps you select the best controller or diagnose any performance issues.

**Highlights:** Full spectrum data analysis, Pressure-sensitive input reading, Thumbstick, DPad, Shoulder, Trigger, and Button support, Real-time input display, Controller diagnostics

**In-app purchases:** none


## Frequently asked questions

### Is RePNCalc free?

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

### Is Game Controller Data Viewer free?

Game Controller Data Viewer costs $2.99, with no in-app purchases.

### Do RePNCalc or Game Controller Data Viewer have ads?

Neither RePNCalc nor Game Controller Data Viewer 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.*