# RST 599 Pro vs Bode Plot Calculator

The clearest difference is review sentiment: Bode Plot Calculator at 100% against RST 599 Pro's 50%. Bode Plot Calculator also leads on rating (5.0 vs 4.0) and price ($3.99 vs $4.99). RST 599 Pro's advantage is update cadence (every 2 months vs every 12 months) and ratings volume (3 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

RST 599 Pro costs $4.99 and Bode Plot Calculator $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bode Plot Calculator holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 50% of RST 599 Pro's written reviews are positive against 100% of Bode Plot Calculator's.

RST 599 Pro ships an update every 2 months, Bode Plot Calculator every 12 months. The most recent releases landed on September 27, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | RST 599 Pro | Bode Plot Calculator |
| --- | --- | --- |
| Price | $4.99 | **$3.99** |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/rst-599-pro/id1497452984/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bode-plot-calculator/id6496601138/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Paid | Paid |
| Size | 40 MB | 9 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [Edoardo Orzes](https://appshunter.io/developer/1665361246) |

## What reviewers say

### RST 599 Pro

[App page](https://appshunter.io/ios/app/rst-599-pro/id1497452984)

This application simulates amateur radio CW QSOs with realistic call signs, signal levels, and speeds. It supports various QSO styles, pile-ups, and includes features like RIT, CW filters, and a spectrum scope for an immersive experience.

**Highlights:** Realistic CW QSO simulation, Pile-up reproduction (up to 5 stations), Multiple QSO style support, RIT and CW filter functions, Spectrum scope display, Customizable call sign and CW speed

**Features:** macOS Compatibility

**In-app purchases:** none


### Bode Plot Calculator

[App page](https://appshunter.io/ios/app/bode-plot-calculator/id6496601138)

This advanced calculator is designed for creating Bode plots and Nyquist diagrams. It also supports complex number calculations and time-domain graphing. Users can export plots and calculations for further analysis.

**Highlights:** Bode Plot generation, Nyquist Diagram visualization, Complex number calculations, Time-domain graphing, Export plots and calculations, Intuitive interface with themes, Sliders for real-time parameter changes

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

**In-app purchases:** none


## Frequently asked questions

### Is RST 599 Pro free?

RST 599 Pro costs $4.99, with no in-app purchases.

### Is Bode Plot Calculator free?

Bode Plot Calculator costs $3.99, with no in-app purchases.

### Which has better reviews, RST 599 Pro or Bode Plot Calculator?

Bode Plot Calculator is rated higher. RST 599 Pro averages 4.0 out of 5 from 3 ratings, while Bode Plot Calculator averages 5.0 from 1 ratings.

### Do RST 599 Pro or Bode Plot Calculator have ads?

Neither RST 599 Pro nor Bode Plot Calculator shows ads.

### Which is updated more often, RST 599 Pro or Bode Plot Calculator?

RST 599 Pro ships an update every 2 months, and Bode Plot Calculator every 12 months. Most recently, RST 599 Pro was updated on September 27, 2026 and Bode Plot Calculator on September 21, 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.*