Circuit Wizard vs US Sailing Racing Rules
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Circuit Wizard
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.
- Wire sizing calculation
- ABYC and Blue Sea Systems specifications
- Product search for circuit protection
- Offline functionality
- Electrical installation reference
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Circuit Wizard is designed to help electricians and enthusiasts determine wire sizing for a given installation based upon specific parameters using ABYC and Blue Sea Systems specifications. Once a wire size is known you can then use that information to search for products offered by Blue Sea Systems in order to protect your circuit. Based upon the popular web application located at http://cw.bluesea.com/, this version is designed to be run completely offline which should be useful in situations where an internet connected computer is not available.
US Sailing Racing Rules
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.
- Searchable racing rules
- Real-time rule reference
- Protest and redress submission
- Animated protest diagrams
- Media resources
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When it comes to The Racing Rules of Sailing, US Sailing makes the rules available whenever and wherever you want. Our premier product, the Racing Rules App, ensures that you have access to the rules at all times. US Sailing has expanded the menu of App features to streamline your overall experience. This NEW App provides you with optimized and searchable access to the rules and media resources to help you reference them in real-time. You can submit a protest or request redress right from your device, draw and submit animated protest diagrams with the Whiteboard feature, and much more using the NEW Racing Rules App!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Circuit Wizard | US Sailing Racing Rules |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (19 ratings) | 4.1 (27 ratings) — better |
| Positive reviews | 40.0% of reviews — better | 30.0% of reviews |
| Number of ratings | 19 | 27 — better |
| Update frequency | Every 12 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.1 — better | 12.0 |
| Further details — not scored | ||
| Size | 4 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Blue Sea Systems, Inc. | US SAILING |
Customer experience
Circuit Wizard
US Sailing Racing Rules
In-app purchases
Circuit Wizard
No in-app purchases
US Sailing Racing Rules
No in-app purchases
