# RF Tools vs RF Calc JP

The clearest difference is in-app purchases: RF Tools at none against RF Calc JP's 1. RF Tools also leads on iOS requirement (15.0 vs 26.0). RF Calc JP's advantage is update cadence (every 6 days vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. RF Calc JP sells 1 in-app purchase, starting at $0.99 per year. RF Tools asks for nothing beyond the download.

RF Tools ships an update every 14 months, RF Calc JP every 6 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RF Tools | RF Calc JP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/rf-tools/id525678686/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 12 MB | 4 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HUBER + SUHNER AG](https://appshunter.io/developer/525678889) | [Hashimoto Yoshikazu](https://appshunter.io/developer/6790925881) |

## What reviewers say

### RF Tools

[App page](https://appshunter.io/ios/app/rf-tools/id525678686)

This utility app helps engineers and students calculate and convert RF-specific values like impedance, wavelength, and return loss. It also includes a calculator for comparing RF cables and assemblies, and provides access to product catalogs and branch information.

**Highlights:** RF value conversion (impedance, wavelength, return loss), RF assembly calculator, dB calculator, Product catalog access, Branch locator

**Features:** macOS Compatibility

**In-app purchases:** none


### RF Calc JP

[App page](https://appshunter.io/ios/app/rf-calc-jp/id6815598081)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RF Calc JP Pro (Yearly) | $0.99 | per year |


## Frequently asked questions

### Is RF Tools free?

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

### Is RF Calc JP free?

RF Calc JP is free to download, with in-app purchases available.

### Do RF Tools or RF Calc JP have ads?

Neither RF Tools nor RF Calc JP shows ads.

### Which is updated more often, RF Tools or RF Calc JP?

RF Tools ships an update every 14 months, and RF Calc JP every 6 days. Most recently, RF Tools was updated on November 1, 2026 and RF Calc JP on October 31, 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.*