Comparison

Nautical Dog Math Helper vs RadarCop

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Nautical Dog Math Helper

This app simplifies essential maritime calculations for professionals. It offers tools for navigation, maneuvering, and vessel operations, ensuring accuracy and efficiency at sea. Designed for ease of use, it provides critical data even without internet access.

Highlights
  • Rate of Turn (ROT) Calculation
  • Turn Transfer Computation
  • RPM and Speed Calculations
  • Anchor Swing Radius
  • Distance, Speed, Time (DST)
  • Offline Functionality
  • Night Mode
Features
Read full description

Nautical Dog Math Helper is the ultimate tool for maritime professionals, designed to simplify complex calculations you need every day on the job. Whether you’re navigating through tricky waters or performing docking maneuvers, this app makes essential maritime math easy, fast, and accurate. Key Features: • Rate of Turn (ROT) Calculation: Instantly calculate the rate of turn to ensure safe navigation and maneuvering, improving efficiency in any operation. • Turn Transfer: Quickly compute turn transfer data for safer maneuvering of your vessel, making docking and turns more predictable. • RPM and Speed Calculations: Accurate RPM and speed calculations tailored for marine environments, helping you maintain optimal speeds while staying safe. • Anchor Swing: Calculate anchor swing radius to avoid collisions and ensure your vessel stays safely anchored in varying conditions. • DST (Distance, Speed, Time): Compute essential distance, speed, and time calculations for planning and navigation during voyages. • Simple, User-Friendly Interface: Navigate the app easily with an intuitive layout designed specifically for maritime professionals. No complex math required. • Night Mode: An optimized dark mode for use during low-light conditions or nighttime operations, reducing eye strain and keeping you focused on your work. • Tailored for Mariners: Created with real-world maritime challenges in mind. Whether you’re aboard a large vessel or a smaller boat, this app is designed to support your unique needs. • Offline Functionality: Calculate and access essential data even when you don’t have internet access, perfect for use on the water. Why Choose Nautical Dog Math Helper? For those working in the maritime industry, precise calculations are critical for safe and efficient operations. With Nautical Dog Math Helper, you can quickly solve essential problems without needing a calculator or reference materials. Designed for both novice and expert mariners, it’s the only app you’ll need for common vessel calculations. From calculating your rate of turn for precise navigation to ensuring your vessel’s safety with anchor swing radius—this app covers it all, helping you make decisions faster and more accurately. Get started with Nautical Dog Math Helper today and experience how easy maritime calculations can be!

About

RadarCop

Read full description

RadarCop is a professional radar plotting assistant designed for mariners, deck officers, cadets, and bridge teams. The app helps perform manual radar plotting calculations using own ship and target observations. Enter three radar observations, assess relative motion, calculate CPA/TCPA, test trial maneuvers, save plotting history, and export a clean PDF plotting sheet. Main features: • Own ship course and speed input • Target bearing and range observations • Three-point radar plotting workflow • CPA and TCPA calculation • Target course and speed estimation • Trial maneuver calculation • Optional trial delay logic • Relative motion assessment • Radar-style plotting board • Calculation history • PDF export for record keeping or training • Built-in Help & User Guide RadarCop is useful for training, bridge preparation, radar plotting practice, and quick cross-checking of manual calculations. Important notice: RadarCop is a calculation aid only. It does not replace official navigation equipment, ARPA, ECDIS, radar, COLREGs, company procedures, or the professional judgment of the Officer of the Watch. All navigational decisions remain the responsibility of the vessel’s bridge team.

Screenshots

Nautical Dog Math Helper4 screens
RadarCop4 screens

Verdict

The call

The clearest difference is update cadence: RadarCop at daily against Nautical Dog Math Helper's weekly. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Nautical Dog Math Helper ships an update weekly, RadarCop daily. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard1 real difference · 8 level
Nautical Dog Math Helper versus RadarCop: the parameters behind the verdict, then further details
ParameterNautical Dog Math HelperRadarCop
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyWeeklyDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.6 — better17.6
Further details — not scored
Size6 MB5 MB
Age rating4+4+
DeveloperJill RussellDlyaver Alchik

In-app purchases

None

Nautical Dog Math Helper

No in-app purchases

None

RadarCop

No in-app purchases

Questions

Is Nautical Dog Math Helper free?
Nautical Dog Math Helper is free to download, with no in-app purchases.
Is RadarCop free?
RadarCop is free to download, with no in-app purchases.
Do Nautical Dog Math Helper or RadarCop have ads?
Neither Nautical Dog Math Helper nor RadarCop shows ads.
Which is updated more often, Nautical Dog Math Helper or RadarCop?
Nautical Dog Math Helper ships an update weekly, and RadarCop daily. Most recently, Nautical Dog Math Helper was updated on October 24, 2026 and RadarCop on October 20, 2026.

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