Comparison

Nautical Ship Flags vs Binnacle School

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

Head to head
About

Nautical Ship Flags

Explore maritime signal codes and Morse code with interactive quizzes and detailed flag information. Track your learning progress with an analytics view and practice signaling using your phone's flashlight. This app offers full offline functionality for continuous learning.

Highlights
  • Interactive quizzes
  • Flag details and reference
  • Flashlight Morse signaling
  • Progress tracking
  • Offline functionality
  • Analytics view
Features
Read full description

A complete guide to maritime flags, including letters, numbers, substitutes, and Morse code, now with an enhanced Analytics View to track your progress and identify areas for improvement. Enjoy interactive quizzes and detailed flag information. This app also lets you view Morse code signals through your phone’s flashlight, making it perfect for boaters, sailors, and anyone fascinated by maritime navigation. Features: • Interactive Tests • Randomized Question Types • Flashlight Morse Signaling • Flag Details and Symbol Reference • Review and Progress Tracking • Analytics View for tracking your progress • Bright, minimalistic design • Full offline functionality Links for more info: - Terms of Use & Privacy policy: https://nauticalshipflags.com - Link for more info: https://support.apple.com/en-gb/HT202039

About

Binnacle School

Prepare for your U.S. Coast Guard captain's license exams with a structured, module-based study approach. Practice questions with detailed explanations and interactive drills to master navigation, seamanship, and more. Track student progress for classes or unlock all content with a premium subscription.

Highlights
  • Module-based exam preparation
  • Explanation on every question
  • Interactive drills for practical skills
  • Class management and student tracking
  • Progressive unlocking of study modules
  • Daily practice with built-in tutor
Features
Read full description

Binnacle School — USCG Captain's License Exam Prep Study for your U.S. Coast Guard captain's license the way the exam actually works: by module, at your own pace, with an explanation on every question. Whether you're going for an OUPV / Six-Pack, OUPV-Master, or a 100- or 200-Ton Master credential, Binnacle School breaks the written exam into the same categories the Coast Guard tests. WHAT YOU STUDY - Navigation Rules (COLREGS / Inland) — lights, shapes, sound signals, give-way and stand-on. The most heavily weighted module on every deck exam. - Navigation General — piloting, tides and currents, aids to navigation, dead reckoning. - Deck General — seamanship, ground tackle, stability, firefighting, vessel construction. - Chart Plotting — set and drift, course to steer, lines of position, fixing your position. - Meteorology and Safety, scaling up to Celestial Navigation and Radar for the 200-Ton exam. FREE TO START Three full modules — Rules of the Road, Safety, and Meteorology — are open to everyone, no account required. Get free daily practice with an explanation from the built-in tutor. PASS TO UNLOCK Clear a module (80% over 20+ questions) and the next one opens. Build toward your specific license target one category at a time, in the sequence the exam follows. INTERACTIVE TRAINERS Drill the visual, hands-on parts the way they're tested: navigation lights, knots, chart work, celestial sights, stability, maneuvering boards, and tides. CLASSES Teaching a license course? Create a class, share a join code, and track every student's accuracy, attempts, and activity from one roster. Open specific modules for your students as they're ready. GO PRO Unlock every module, remove daily limits, and get unlimited tutor explanations. Sign in with Apple, Google, or a one-time email code. Fair winds and a following sea.

Screenshots

Nautical Ship Flags4 screens
Binnacle School4 screens

Verdict

The call

The clearest difference is rating: Binnacle School at 5.0 against Nautical Ship Flags's 4.6. Binnacle School also leads on update cadence (weekly vs every 3 weeks). Nautical Ship Flags's advantage is ratings volume (15 vs 1) and iOS requirement (15.2 vs 17.0). On price, ads, in-app purchases and monetization model 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. Nautical Ship Flags sells 2 in-app purchases, starting at $0.99 per 7 days and Binnacle School sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Binnacle School holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Nautical Ship Flags has 15 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Nautical Ship Flags ships an update every 3 weeks, Binnacle School weekly. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

Scorecard4 real differences · 6 level
Nautical Ship Flags versus Binnacle School: the parameters behind the verdict, then further details
ParameterNautical Ship FlagsBinnacle School
PriceFreeFree
Rating4.6 (15 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings15 — better1
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.2 — better17.0
Further details — not scored
Size7 MB3 MB
Age rating4+4+
DeveloperStanislav CekunovJohn Thomas

In-app purchases

2 purchases

Nautical Ship Flags

Subscriptions1
  • Weekly$0.997 Days
One-time1
  • Lifetime$2.99
3 purchases

Binnacle School

Subscriptions2
  • Binnacle School Premium$4.991 Month
  • Binnacle School Premium$29.991 Year
One-time1
  • Lifetime Access$79.99

Questions

Is Nautical Ship Flags free?
Nautical Ship Flags is free to download, with in-app purchases available.
Is Binnacle School free?
Binnacle School is free to download, with in-app purchases available.
Which has better reviews, Nautical Ship Flags or Binnacle School?
Binnacle School is rated higher. Nautical Ship Flags averages 4.6 out of 5 from 15 ratings, while Binnacle School averages 5.0 from 1 ratings.
Do Nautical Ship Flags or Binnacle School have ads?
Neither Nautical Ship Flags nor Binnacle School shows ads.
Which is updated more often, Nautical Ship Flags or Binnacle School?
Nautical Ship Flags ships an update every 3 weeks, and Binnacle School weekly. Most recently, Nautical Ship Flags was updated on October 14, 2026 and Binnacle School on September 30, 2026.

Other comparisons