# RF Link Calc vs Inductance Calculation

The clearest difference is update cadence: Inductance Calculation at every 20 months against RF Link Calc's every 40 months. Inductance Calculation also leads on price ($0.99 vs $2.99). RF Link Calc's advantage is iOS requirement (9.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

RF Link Calc costs $2.99 and Inductance Calculation $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RF Link Calc ships an update every 40 months, Inductance Calculation every 20 months. The most recent releases landed on August 12, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | RF Link Calc | Inductance Calculation |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/rf-link-calc/id303034300/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 20 months** |
| Monetization | Paid | — |
| Size | 4 MB | 2 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Black Cat Systems](https://appshunter.io/developer/301047032) | [Timur Isaev](https://appshunter.io/developer/593517481) |

## What reviewers say

### RF Link Calc

[App page](https://appshunter.io/ios/app/rf-link-calc/id303034300)

This tool helps radio engineers calculate RF link characteristics, including wireless internet links. It computes maximum distance, required transmitter power, or gain margin by inputting various parameters. It also calculates EIRP, ERP, and field strength in multiple units.

**Highlights:** RF link modeling, Wireless internet link calculations, Maximum distance computation, Transmitter power calculation, Gain margin calculation, EIRP/ERP calculator, Field strength calculator

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

**In-app purchases:** none


### Inductance Calculation

[App page](https://appshunter.io/ios/app/inductance-calculation/id1516805364)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RF Link Calc free?

RF Link Calc costs $2.99, with no in-app purchases.

### Is Inductance Calculation free?

Inductance Calculation costs $0.99, with no in-app purchases.

### Do RF Link Calc or Inductance Calculation have ads?

Neither RF Link Calc nor Inductance Calculation shows ads.

### Which is updated more often, RF Link Calc or Inductance Calculation?

RF Link Calc ships an update every 40 months, and Inductance Calculation every 20 months. Most recently, RF Link Calc was updated on August 12, 2026 and Inductance Calculation on September 28, 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.*