Nautical Calculator Pro vs CVoyager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nautical Calculator Pro
This app provides comprehensive tools for solving complex nautical navigation calculations, including route planning, celestial navigation, and tidal predictions. It features a world map for route visualization and offline functionality for map display.
- Route calculation
- Point on Rhumb Line/Great Circle
- Celestial navigation
- Tidal calculations
- Wind calculation
- Nautical almanac
- World map visualization
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Nautical Calculator Pro is the most complete application that solves the navigation calculations The main features are : - Calculate Route (solves 2nd navigation problem) - Calculate point on Rhumb Line (solves 1st navigation problem) - Calculate point on Great Circle (solves 1st navigation problem) - Calculate point on WGS84 (solves 1st navigation problem) - Calculate Average speed - E.T.A. calculation - Route plan, for manual waypoints planning - Waypoint route - Compisite sailing with parallel limit - Rhumb Line Parallel/Meridian intersection - Follow on same Rhumb Line route - Opposite course rendez vous - Route correction - Calculate Amplitude at sunset and sunrise and magnetic compass deviation - Compass detections - Solves Drift problem - Solves Tides problem - Solves Tidal current problem - Wind calculation with Beaufort classification - ABC Tables (azimuth, initial course, right ascension with unknow star) - Nautical almanac - Celestial Navigation with position line - Meridian transit - Celestial observation - Coastal navigation - Wheel Over - Draft survey - Converter - Anchorage - Interpolation In routes feature there is a world map: it isn't a nautical chart and is not for use as a saling chart, but as a simple general means of showing the courses through the water on earth, this map isn't for navigational purposes. No need connection for show the map; the map will be downloaded only one time. The map, for size limit, will be show for scale over 60-70 Nm. follow on facebook https://www.facebook.com/NauticalCalculator
CVoyager
This app simplifies maritime navigation for professionals by plotting efficient and safe sea routes. It calculates precise ETAs and offers customizable routing based on vessel specifics, utilizing advanced pathfinding algorithms and a global port database.
- Optimized route planning
- Customizable routes
- Precise ETA calculation
- A* pathfinding algorithm
- Global port database
- User-friendly interface
- Customizable preferences
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CVoyager – Navigating Oceans Simplified CVoyager is the ultimate navigation tool created not just for officers and captains but for all maritime professionals. Utilizing the precision of the A*Star algorithm, CVoyager plots the most efficient and safe pathways across the seas, ensuring it's an indispensable tool for anyone in the maritime industry. Key Features: Optimized Route Planning: Plots the most direct and safest routes between ports, ensuring you get where you need to go efficiently and safely. Customize your journey by plotting your own routes, which you can save for future use or export in a compatible format. ETA Calculation: Calculate the estimated time of arrival (ETA) with precision, helping you plan your schedules more effectively and keep all necessary parties informed. Advanced Algorithm: Incorporates the A* algorithm, renowned for its efficiency and accuracy in pathfinding, ensuring you always have the best course plotted. User-Friendly Interface: Designed with the user in mind, the interface is simple yet powerful, enabling seamless navigation through features and functions. Global Port Database: Access routes to and from a vast array of ports worldwide. No matter where you are, CVoyager brings you home efficiently. Customisable Preferences: Tailor your routing preferences based on vessel size, cargo, and speed requirements to match your specific navigational needs. CVoyager is built on a foundation of reliability and precision, aiming to streamline maritime navigation through technological innovation. With CVoyager, mariners can anticipate a reduction in voyage times, enhanced safety, and improved fuel efficiency. Whether it's a short coastal trip or a long international journey, CVoyager guides you through the complexities of maritime navigation with ease. Download CVoyager and redefine your navigation experience! Privacy policy: https://www.cvoyager.tech/privacy-policy Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: CVoyager at Free against Nautical Calculator Pro's $8.99. CVoyager also leads on review sentiment (88% vs 60%) and update cadence (every 8 days vs every 2 months). Nautical Calculator Pro's advantage is rating (5.0 vs 3.5) and in-app purchases (none vs 3). On ratings volume, ads and device support 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
CVoyager is free to download; Nautical Calculator Pro costs $8.99 up front. CVoyager sells 3 in-app purchases, starting at $0.99 per month. Nautical Calculator Pro asks for nothing beyond the download.
Nautical Calculator Pro holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews complicate that: 60% of Nautical Calculator Pro's written reviews are positive against 88% of CVoyager's, so the app with the better star average is not the one people write more warmly about.
Nautical Calculator Pro ships an update every 2 months, CVoyager every 8 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.
| Parameter | Nautical Calculator Pro | CVoyager |
|---|---|---|
| Price | $8.99 | Free — better |
| Rating | 5.0 (3 ratings) — better | 3.5 (6 ratings) |
| Positive reviews | 60.0% of reviews | 87.9% of reviews — better |
| Number of ratings | 3 | 6 — better |
| Update frequency | Every 2 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 27 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Giacomo Gabriele | Vladyslav Yarmak |
Customer experience
Nautical Calculator Pro
CVoyager
In-app purchases
Nautical Calculator Pro
No in-app purchases
CVoyager
- Navigational Warnings Monthly7 Days trial$0.991 Month
- NAVAREA Warnings 6-Month7 Days trial$3.996 Months
- All Ports$9.99
Questions
Is Nautical Calculator Pro free?
Is CVoyager free?
Which has better reviews, Nautical Calculator Pro or CVoyager?
Do Nautical Calculator Pro or CVoyager have ads?
Which is updated more often, Nautical Calculator Pro or CVoyager?
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