Comparison

Nautical Dog Math Helper vs Mariners Log Mobile

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

Mariners Log Mobile

Features
Read full description

Mariners Log is a digital maintenance and operations platform built specifically for the maritime industry. Designed for engineers, captains, and fleet managers, the app replaces paper-based systems with a structured, intelligent workflow that improves reliability, compliance, and operational efficiency. Whether you operate commercial vessels, ferries, workboats, or superyachts, Mariners Log helps you stay organised, reduce unplanned downtime, and gain better visibility over your vessel’s performance.

Screenshots

Nautical Dog Math Helper4 screens
Mariners Log Mobile3 screens

Verdict

The call

The clearest difference is update cadence: Nautical Dog Math Helper at weekly against Mariners Log Mobile's every 2 weeks. Mariners Log Mobile's advantage is iOS requirement (13.0 vs 16.6). 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, Mariners Log Mobile every 2 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 7 level
Nautical Dog Math Helper versus Mariners Log Mobile: the parameters behind the verdict, then further details
ParameterNautical Dog Math HelperMariners Log Mobile
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size6 MB29 MB
Age rating4+4+
DeveloperJill RussellKengineer Limited

In-app purchases

None

Nautical Dog Math Helper

No in-app purchases

None

Mariners Log Mobile

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 Mariners Log Mobile free?
Mariners Log Mobile is free to download, with no in-app purchases.
Do Nautical Dog Math Helper or Mariners Log Mobile have ads?
Neither Nautical Dog Math Helper nor Mariners Log Mobile shows ads.
Which is updated more often, Nautical Dog Math Helper or Mariners Log Mobile?
Nautical Dog Math Helper ships an update weekly, and Mariners Log Mobile every 2 weeks. Most recently, Nautical Dog Math Helper was updated on October 24, 2026 and Mariners Log Mobile on October 8, 2026.

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