# R&S PQA vs Propagation Tools

The clearest difference is price: R&S PQA at Free against Propagation Tools's $0.29. R&S PQA also leads on update cadence (every 4 months vs every 9 months) and iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

R&S PQA is free to download; Propagation Tools costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.

R&S PQA ships an update every 4 months, Propagation Tools every 9 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | R&S PQA | Propagation Tools |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Size | 13 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rohde & Schwarz GmbH & Co. KG](https://appshunter.io/developer/364229795) | [Jeff Curtis](https://appshunter.io/developer/358219019) |

## What reviewers say

### R&S PQA

[App page](https://appshunter.io/ios/app/r-and-s-pqa/id1109979691)

**Features:** macOS Compatibility

**In-app purchases:** none


### Propagation Tools

[App page](https://appshunter.io/ios/app/propagation-tools/id6446221936)

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

**In-app purchases:** none


## Frequently asked questions

### Is R&S PQA free?

R&S PQA is free to download, with no in-app purchases.

### Is Propagation Tools free?

Propagation Tools costs $0.29, with no in-app purchases.

### Do R&S PQA or Propagation Tools have ads?

Neither R&S PQA nor Propagation Tools shows ads.

### Which is updated more often, R&S PQA or Propagation Tools?

R&S PQA ships an update every 4 months, and Propagation Tools every 9 months. Most recently, R&S PQA was updated on November 2, 2026 and Propagation Tools on October 27, 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.*