# iSlipstick RF vs Karax

The clearest difference is update cadence: Karax at monthly against iSlipstick RF's every 10 months. Karax also leads on rating (5.0 vs 4.7) and device support (3 vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Karax holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

iSlipstick RF ships an update every 10 months, Karax monthly. The most recent releases landed on October 23, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | iSlipstick RF | Karax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/islipstick-rf/id351775311/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/karax/id6740981057/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | Free | Free |
| Size | 43 MB | 8 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sam Virgillo](https://appshunter.io/developer/324560825) | [c3alabs](https://appshunter.io/developer/1792372997) |

## What reviewers say

### iSlipstick RF

[App page](https://appshunter.io/ios/app/islipstick-rf/id351775311)

This app provides a comprehensive suite of calculators and converters specifically designed for radio frequency (RF) engineers and technicians. It includes tools for path loss, antenna gain, intermodulation, and standard electrical calculations, along with various unit conversions.

**Highlights:** RF-specific calculators, Standard electrical calculators, Unit converters, Path loss calculation, Intermodulation analysis, Antenna gain and beamwidth

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

**In-app purchases:** none


### Karax

[App page](https://appshunter.io/ios/app/karax/id6740981057)

This intelligent assistant streamlines meeting management by summarizing agendas, capturing real-time discussions and decisions, and organizing action items. It aims to enhance team operations and ensure every meeting is productive and well-documented.

**Highlights:** Instant agenda summaries, Real-time discussion capture, Action item management, Seamless integrations, Mobile accessibility, Effortless documentation

**In-app purchases:** none


## Frequently asked questions

### Is iSlipstick RF free?

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

### Is Karax free?

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

### Which has better reviews, iSlipstick RF or Karax?

Karax is rated higher. iSlipstick RF averages 4.7 out of 5 from 3 ratings, while Karax averages 5.0 from 2 ratings.

### Do iSlipstick RF or Karax have ads?

Neither iSlipstick RF nor Karax shows ads.

### Which is updated more often, iSlipstick RF or Karax?

iSlipstick RF ships an update every 10 months, and Karax monthly. Most recently, iSlipstick RF was updated on October 23, 2026 and Karax on September 29, 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.*