Comparison

Sailing Quiz HD vs Nautical Ship Flags

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

Head to head
About

Sailing Quiz HD

Enhance your maritime knowledge with interactive lessons and quizzes covering navigation, safety, and regulations. This app is ideal for sailors, yachters, and boaters of all levels to prepare for exams or refresh their skills. Learn and practice essential sailing concepts anytime, anywhere, even offline.

Highlights
  • Interactive lessons and quizzes
  • Covers chartwork, safety, buoyage, and more
  • Offline functionality
  • Questions, pictures, and animations
  • Regularly updated content
  • Suitable for beginners and experienced sailors
Features
Read full description

Sailing Quiz HD by Nautica SIA is the perfect app for sailors, yachters, and boaters who want to brush up on their chartwork, safety, buoyage, light's and shapes, sound signals, meteorology, GMDSS, and anchoring skills. With interactive lessons and quizzes, this app is a great tool for sailing education, whether you're a beginner or an experienced sailor. With more than 10 years of sailing education and a plethora of new captains, miles, and waves, Sailing Quiz HD has established itself as the go-to app for sailing education. It's an interactive learning tool for seamen, sailing, and motorboat captains that you can use to prepare for tests, refresh your knowledge before heading out to sea, or simply practice your sailing skills. One of the best things about Sailing Quiz HD is that you can use it offline, even on a plane, making it a great tool for brushing up on your sailing skills before you reach your desired sailing or power yacht charter destination. The app features questions, pictures, animations, and learning resources, as well as a help section. Sailing schools also find this app useful for testing their students, and the test is frequently updated with new questions. Currently, the following themes are available in the app: Safety International Code of Signals (Signal flags) Anatomy of a yacht Terminology 101 Sailing theory Points of Sail Seamanship Knots Pilotage Buoyage Buoyage at night Light characteristic Navigation 101 Route planning Meteorology 101 High's and Low's Ship's Lights & Shapes Sound signals GMDSS The app is designed to help you prepare for your sailing lessons, exams, and bareboat charter. You can use it to learn and refresh your knowledge of colregs and other sailing regulations. With the anchoring lesson, you can also practice your anchoring skills, which are crucial for safe and enjoyable sailing. Sailing instructors also find this app useful as a teaching aid, and it's popular among sailors, yachters, and boaters in the USA, Canada, Europe and Worldwide. Download Sailing Quiz HD now and improve your sailing skills today! https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

Screenshots

Sailing Quiz HD4 screens
Nautical Ship Flags4 screens

Verdict

The call

The clearest difference is update cadence: Nautical Ship Flags at every 3 weeks against Sailing Quiz HD's every 3 months. Sailing Quiz HD's advantage is review sentiment (45% vs 33%). On price, rating, ratings volume and ads 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. Sailing Quiz HD sells 2 in-app purchases, starting at $4.99 per month and Nautical Ship Flags sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Sailing Quiz HD against 4.6 for Nautical Ship Flags. Both are backed by a comparable volume of ratings — 11 and 15 respectively. Written reviews are what separate them: 45% of Sailing Quiz HD's written reviews are positive against 33% of Nautical Ship Flags's.

UpkeepUpdate frequency

Sailing Quiz HD ships an update every 3 months, Nautical Ship Flags every 3 weeks. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 8 level
Sailing Quiz HD versus Nautical Ship Flags: the parameters behind the verdict, then further details
ParameterSailing Quiz HDNautical Ship Flags
PriceFreeFree
Rating4.5 (11 ratings)4.6 (15 ratings) — better
Positive reviews44.8% of reviews — better33.3% of reviews
Number of ratings1115 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.5 — better15.2
Further details — not scored
Size37 MB7 MB
Age rating4+4+
DeveloperNautica SIAStanislav Cekunov

Customer experience

Sailing Quiz HD

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews29 reviews
Positive44.8%
Neutral10.3%
Negative44.8%

Nautical Ship Flags

All ratings15 ratings
Positive93.3%
Neutral0.0%
Negative6.7%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

2 purchases

Sailing Quiz HD

Subscriptions2
  • 1 Month$4.991 Month
  • 1 Year$22.991 Year
2 purchases

Nautical Ship Flags

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

Questions

Is Sailing Quiz HD free?
Sailing Quiz HD is free to download, with in-app purchases available.
Is Nautical Ship Flags free?
Nautical Ship Flags is free to download, with in-app purchases available.
Which has better reviews, Sailing Quiz HD or Nautical Ship Flags?
Nautical Ship Flags is rated higher. Sailing Quiz HD averages 4.5 out of 5 from 11 ratings, while Nautical Ship Flags averages 4.6 from 15 ratings.
Do Sailing Quiz HD or Nautical Ship Flags have ads?
Neither Sailing Quiz HD nor Nautical Ship Flags shows ads.
Which is updated more often, Sailing Quiz HD or Nautical Ship Flags?
Sailing Quiz HD ships an update every 3 months, and Nautical Ship Flags every 3 weeks. Most recently, Sailing Quiz HD was updated on November 1, 2026 and Nautical Ship Flags on November 4, 2026.

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