# RPN vs Audio Selector Remote

The clearest difference is price: Audio Selector Remote at Free against RPN's $2.99. Audio Selector Remote also leads on rating (5.0 vs 4.3) and update cadence (every 3 weeks vs every 2 months). RPN's advantage is ads (none vs shown) and ratings volume (10 vs 2). On in-app purchases and device support there is nothing between them.

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

Audio Selector Remote holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: RPN has 10 ratings behind it against 2, so its average is the more settled of the two.

RPN ships an update every 2 months, Audio Selector Remote every 3 weeks. The most recent releases landed on November 11, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | RPN | Audio Selector Remote |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.3 (10 ratings)](https://appshunter.io/ios/app/rpn-25-ce/id1529311398/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/audio-selector-remote/id6761357633/reviews)** |
| Number of ratings | **10** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 28 MB | 5 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CuVee Software](https://appshunter.io/developer/424873503) | [DUKHYUN HWANG](https://appshunter.io/developer/1876771031) |

## What reviewers say

### RPN

[App page](https://appshunter.io/ios/app/rpn-25-ce/id1529311398)

This app is a photo-realistic simulation of the classic HP-25 scientific calculator. It offers advanced programming features, a vast function library, and modern enhancements for enhanced usability on iOS devices.

**Highlights:** Photo-realistic simulation, Programmable (99/999 steps), 15 user-defined function keys, 100 symbolic labels, 100 visible registers, Program library with 150+ programs, Over 270 functions

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

**In-app purchases:** none


### Audio Selector Remote

[App page](https://appshunter.io/ios/app/audio-selector-remote/id6761357633)

Transform your iPhone or iPad into a wireless remote for your Mac's audio. Effortlessly switch audio devices, control volumes, and adjust balance remotely. Requires the companion Mac app to function.

**Highlights:** Wireless audio device switching, Software volume control, Dedicated volume remote, L/R balance control, Multichannel output pairing, Seamless and secure connection, Roon zone control

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is RPN free?

RPN costs $2.99, with no in-app purchases.

### Is Audio Selector Remote free?

Audio Selector Remote is free to download, with no in-app purchases.

### Which has better reviews, RPN or Audio Selector Remote?

Audio Selector Remote is rated higher. RPN averages 4.3 out of 5 from 10 ratings, while Audio Selector Remote averages 5.0 from 2 ratings.

### Do RPN or Audio Selector Remote have ads?

Audio Selector Remote shows ads; RPN does not.

### Which is updated more often, RPN or Audio Selector Remote?

RPN ships an update every 2 months, and Audio Selector Remote every 3 weeks. Most recently, RPN was updated on November 11, 2026 and Audio Selector Remote on November 13, 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.*