# RF vs CCircuitCalc

The clearest difference is update cadence: RF at every 4 months against CCircuitCalc's every 40 months. RF also leads on iOS requirement (11.1 vs 14.0). CCircuitCalc's advantage is price ($1.99 vs $7.99). On ads, in-app purchases and device support there is nothing between them.

RF costs $7.99 and CCircuitCalc $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RF ships an update every 4 months, CCircuitCalc every 40 months. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | RF | CCircuitCalc |
| --- | --- | --- |
| Price | $7.99 | **$1.99** |
| Rating | **[4.9 (22 ratings)](https://appshunter.io/ios/app/rf-toolbox-pro/id593044099/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 91.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 40 months |
| Monetization | Paid | — |
| Size | 92 MB | 3 MB |
| Requires iOS | **11.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Roskosch](https://appshunter.io/developer/334053438) | [TAKAHIKO FUKUYAMA](https://appshunter.io/developer/857468511) |

## What reviewers say

### RF

[App page](https://appshunter.io/ios/app/rf-toolbox-pro/id593044099)

This app provides over 90 specialized tools for high-frequency electronics, catering to RF professionals, radio amateurs, and students. It offers calculations for PCB traces, filters, impedance, and more, with ongoing updates and new features planned.

**Highlights:** PCB Trace Width and Impedance, LC/L/T/Pi Match Calculation, Coax Cable Calculations, Amplifier and Attenuator Cascade, SWR/Reflection/Return Loss Conversion, Filter Design (Butterworth, Chebyshev), RF Units Conversion

**In-app purchases:** none


### CCircuitCalc

[App page](https://appshunter.io/ios/app/ccircuitcalc/id1435462075)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RF free?

RF costs $7.99, with no in-app purchases.

### Is CCircuitCalc free?

CCircuitCalc costs $1.99, with no in-app purchases.

### Do RF or CCircuitCalc have ads?

Neither RF nor CCircuitCalc shows ads.

### Which is updated more often, RF or CCircuitCalc?

RF ships an update every 4 months, and CCircuitCalc every 40 months. Most recently, RF was updated on September 22, 2026 and CCircuitCalc on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*