# Circuit Wizard vs US Sailing Racing Rules

The clearest difference is rating: US Sailing Racing Rules at 4.1 against Circuit Wizard's 3.1. US Sailing Racing Rules also leads on update cadence (every 4 months vs every 12 months). Circuit Wizard's advantage is review sentiment (40% vs 30%) and iOS requirement (7.1 vs 12.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

US Sailing Racing Rules holds the better App Store score, 4.1 against 3.1. Both are backed by a comparable volume of ratings — 19 and 27 respectively. Written reviews complicate that: 40% of Circuit Wizard's written reviews are positive against 30% of US Sailing Racing Rules's, so the app with the better star average is not the one people write more warmly about.

Circuit Wizard ships an update every 12 months, US Sailing Racing Rules every 4 months. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Circuit Wizard | US Sailing Racing Rules |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (19 ratings)](https://appshunter.io/ios/app/circuit-wizard/id576865083/reviews) | **[4.1 (27 ratings)](https://appshunter.io/ios/app/us-sailing-racing-rules/id1536827107/reviews)** |
| Number of ratings | 19 | **27** |
| Positive reviews | **40.0% of reviews** | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 4 MB | 18 MB |
| Requires iOS | **7.1** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Blue Sea Systems, Inc.](https://appshunter.io/developer/576865086) | [US SAILING](https://appshunter.io/developer/358318666) |

## What reviewers say

### Circuit Wizard

[App page](https://appshunter.io/ios/app/circuit-wizard/id576865083)

This app assists electricians and enthusiasts in calculating wire sizes for installations based on ABYC and Blue Sea Systems specifications. It also helps find suitable protective products for circuits. The application functions completely offline.

**Highlights:** Wire sizing calculation, ABYC and Blue Sea Systems specifications, Product search for circuit protection, Offline functionality, Electrical installation reference

**Features:** macOS Compatibility

**In-app purchases:** none


### US Sailing Racing Rules

[App page](https://appshunter.io/ios/app/us-sailing-racing-rules/id1536827107)

Access and reference the official racing rules of sailing anytime, anywhere. This app offers searchable rules, media resources, and tools to submit protests and draw animated diagrams.

**Highlights:** Searchable racing rules, Real-time rule reference, Protest and redress submission, Animated protest diagrams, Media resources

**In-app purchases:** none


## Frequently asked questions

### Is Circuit Wizard free?

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

### Is US Sailing Racing Rules free?

US Sailing Racing Rules is free to download, with no in-app purchases.

### Which has better reviews, Circuit Wizard or US Sailing Racing Rules?

US Sailing Racing Rules is rated higher. Circuit Wizard averages 3.1 out of 5 from 19 ratings, while US Sailing Racing Rules averages 4.1 from 27 ratings.

### Do Circuit Wizard or US Sailing Racing Rules have ads?

Neither Circuit Wizard nor US Sailing Racing Rules shows ads.

### Which is updated more often, Circuit Wizard or US Sailing Racing Rules?

Circuit Wizard ships an update every 12 months, and US Sailing Racing Rules every 4 months. Most recently, Circuit Wizard was updated on October 3, 2026 and US Sailing Racing Rules on October 17, 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.*