# SDR Receiver vs RST Scope Pro

The clearest difference is price: RST Scope Pro at $1.99 against SDR Receiver's $9.99. RST Scope Pro also leads on update cadence (every 6 days vs every 4 months) and iOS requirement (15.6 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

SDR Receiver costs $9.99 and RST Scope Pro $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SDR Receiver ships an update every 4 months, RST Scope Pro every 6 days. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SDR Receiver | RST Scope Pro |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | **[4.1 (15 ratings)](https://appshunter.io/ios/app/sdr-receiver/id1289939888/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 73.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | Paid | — |
| Size | 2 MB | 1 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Transition Technology Ventures, LLC](https://appshunter.io/developer/1289939887) | [koji kamogawa](https://appshunter.io/developer/1488210713) |

## What reviewers say

### SDR Receiver

[App page](https://appshunter.io/ios/app/sdr-receiver/id1289939888)

This app demodulates and plays AM and FM radio signals received by compatible SDR hardware. It allows users to listen to various broadcasts, manage station lists, and adjust audio settings. Requires a separate radio and host computer for operation.

**Highlights:** Demodulate AM and FM signals, Manage station lists (import/export), Adjustable squelch and LNA gain, Adjustable audio filters, Signal strength indicator, AirPlay audio streaming, Lock Screen controls

**Features:** Vision Pro support

**In-app purchases:** none


### RST Scope Pro

[App page](https://appshunter.io/ios/app/rst-scope-pro/id1550939327)

**In-app purchases:** none


## Frequently asked questions

### Is SDR Receiver free?

SDR Receiver costs $9.99, with no in-app purchases.

### Is RST Scope Pro free?

RST Scope Pro costs $1.99, with no in-app purchases.

### Do SDR Receiver or RST Scope Pro have ads?

Neither SDR Receiver nor RST Scope Pro shows ads.

### Which is updated more often, SDR Receiver or RST Scope Pro?

SDR Receiver ships an update every 4 months, and RST Scope Pro every 6 days. Most recently, SDR Receiver was updated on October 23, 2026 and RST Scope Pro on October 18, 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.*