# RST Scope vs p(x)Card

The clearest difference is rating: RST Scope at 5.0 against p(x)Card's 3.7. RST Scope also leads on update cadence (every 3 days vs monthly). p(x)Card's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RST Scope holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

RST Scope ships an update every 3 days, p(x)Card monthly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RST Scope | p(x)Card |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rst-scope/id1550582276/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/pxcard/id1664643978/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Ad-supported | **Free** |
| Size | 5 MB | 104 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [FUNCTION X FOUNDATION](https://appshunter.io/developer/1664643980) |

## What reviewers say

### RST Scope

[App page](https://appshunter.io/ios/app/rst-scope/id1550582276)

This utility app provides spectrum scope and waterfall displays for amateur radio operators. It enhances radios lacking these features by analyzing microphone input, allowing for clear distinction of Morse code and detailed audio frequency visualization.

**Highlights:** Spectrum scope and waterfall display, Morse code distinction via FFT, Adjustable waterfall speed, Adjustable audio input level, Switchable display band (wide/narrow), Display pause function, Recording and playback of input sound

**In-app purchases:** none


### p(x)Card

[App page](https://appshunter.io/ios/app/pxcard/id1664643978)

Securely store and manage your cryptocurrency and NFTs with this hardware wallet solution. It keeps your private key offline on a card, simplifying crypto payments and asset management. Supports multiple blockchain networks for on-the-go transactions.

**Highlights:** Self-custody hardware wallet, Stores private key offline on a card, Supports multiple blockchain networks, Authorize crypto payments, Manage cryptocurrencies and NFTs, NFC transaction signing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RST Scope free?

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

### Is p(x)Card free?

p(x)Card is free to download, with no in-app purchases.

### Which has better reviews, RST Scope or p(x)Card?

RST Scope is rated higher. RST Scope averages 5.0 out of 5 from 1 ratings, while p(x)Card averages 3.7 from 3 ratings.

### Do RST Scope or p(x)Card have ads?

RST Scope shows ads; p(x)Card does not.

### Which is updated more often, RST Scope or p(x)Card?

RST Scope ships an update every 3 days, and p(x)Card monthly. Most recently, RST Scope was updated on October 13, 2026 and p(x)Card on October 24, 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.*