# MuStripKit vs CQDX 59

The clearest difference is rating: CQDX 59 at 5.0 against MuStripKit's 4.5. CQDX 59 also leads on update cadence (every 3 weeks vs every 19 months). MuStripKit's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, ratings volume and in-app purchases there is nothing between them.

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

CQDX 59 holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

MuStripKit ships an update every 19 months, CQDX 59 every 3 weeks. The most recent releases landed on June 11, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | MuStripKit | CQDX 59 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/mustripkit/id1025260545/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cqdx-59/id1502565247/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 3 MB | 10 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eng Tan](https://appshunter.io/developer/1025260544) | [koji kamogawa](https://appshunter.io/developer/1488210713) |

## What reviewers say

### MuStripKit

[App page](https://appshunter.io/ios/app/mustripkit/id1025260545)

This app provides tools for analyzing and designing microstrip circuits. It calculates key parameters like input impedance and frequency response, and includes a Smith chart tool. It also features time-domain simulation of circuits with lumped elements and educational examples.

**Highlights:** Microstrip line analysis and synthesis, Input impedance and reflection coefficient calculations, Frequency response (S-parameters), Smith chart tool, 1-D FDTD time-domain simulation, Educational circuit examples

**Features:** macOS Compatibility

**In-app purchases:** none


### CQDX 59

[App page](https://appshunter.io/ios/app/cqdx-59/id1502565247)

This app simulates amateur radio QSOs, allowing users to practice CQ calls and exchange signal reports. It offers realistic variations in call signs, voice quality, and signal levels for an authentic experience. Users can customize their own call sign and select various communication modes.

**Highlights:** QSO simulation for amateur radio, Realistic call sign and voice variations, Customizable own station call sign, 59 style or AADX Contest Style QSO, Phonetic code conversion, Pile-up mode support, QRN selection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MuStripKit free?

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

### Is CQDX 59 free?

CQDX 59 is free to download, with no in-app purchases.

### Which has better reviews, MuStripKit or CQDX 59?

CQDX 59 is rated higher. MuStripKit averages 4.5 out of 5 from 2 ratings, while CQDX 59 averages 5.0 from 3 ratings.

### Do MuStripKit or CQDX 59 have ads?

CQDX 59 shows ads; MuStripKit does not.

### Which is updated more often, MuStripKit or CQDX 59?

MuStripKit ships an update every 19 months, and CQDX 59 every 3 weeks. Most recently, MuStripKit was updated on June 11, 2026 and CQDX 59 on September 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.*