# Circuit Laboratory HD vs RF Path

The clearest difference is review sentiment: RF Path at 50% against Circuit Laboratory HD's 0%. RF Path also leads on update cadence (every 5 months vs every 27 months) and price ($2.99 vs $6.99). On ads, in-app purchases, monetization model and iOS requirement there is nothing between them.

Circuit Laboratory HD costs $6.99 and RF Path $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Circuit Laboratory HD ships an update every 27 months, RF Path every 5 months. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Circuit Laboratory HD | RF Path |
| --- | --- | --- |
| Price | $6.99 | **$2.99** |
| Rating | — | **[3.5 (4 ratings)](https://appshunter.io/ios/app/rf-path/id1350255203/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 5 months** |
| Monetization | Paid | Paid |
| Size | 180 MB | 15 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Fabrizio Boco](https://appshunter.io/developer/466239616) | [Tom Doherty](https://appshunter.io/developer/1112286724) |

## What reviewers say

### Circuit Laboratory HD

[App page](https://appshunter.io/ios/app/circuit-laboratory-hd/id1056997109)

This app allows users to design and analyze electronic circuits graphically. It supports various analysis types including DC, AC, multifrequency AC, and transient, with a wide range of components and measuring instruments.

**Highlights:** Graphical circuit design, DC analysis, AC analysis, Multifrequency AC analysis, Transient analysis, Component library, Measuring instruments

**Features:** macOS Compatibility

**In-app purchases:** none


### RF Path

[App page](https://appshunter.io/ios/app/rf-path/id1350255203)

Calculate radio frequency propagation loss using various models like Irregular Terrain, Okumura-Hata, and COST-231. Supports area and point-to-point predictions, with results exportable via email or social media.

**Highlights:** Multiple propagation models (Irregular Terrain, Okumura-Hata, COST-231), Area Prediction mode, Point-to-Point prediction mode, Elevation profile display, Results export (CSV), Save to iCloud, Share to social media

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Circuit Laboratory HD free?

Circuit Laboratory HD costs $6.99, with no in-app purchases.

### Is RF Path free?

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

### Do Circuit Laboratory HD or RF Path have ads?

Neither Circuit Laboratory HD nor RF Path shows ads.

### Which is updated more often, Circuit Laboratory HD or RF Path?

Circuit Laboratory HD ships an update every 27 months, and RF Path every 5 months. Most recently, Circuit Laboratory HD was updated on October 15, 2026 and RF Path on October 8, 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.*