Seabook+ vs Nautical Ship Flags
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Seabook+
This app provides comprehensive maritime information for professionals and enthusiasts. It offers tools for navigational and technical computations, designed for easy use at sea with offline accessibility and a user-friendly interface.
- Comprehensive maritime information
- Navigational and technical computations
- Offline accessibility
- User-friendly interface
- Information for marine professionals
- Knowledge for sea enthusiasts
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Seabook is an information and knowledge source for marine professionals, sailors as well as sea enthusiasts. Seabook Master contains comprehensive and detailed information on the profession. Seabook fits to use at sea with offline accessibility and best user interface. The tools help navigational and technical computations and conversations at ease.
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.
- Interactive quizzes
- Flag details and reference
- Flashlight Morse signaling
- Progress tracking
- Offline functionality
- Analytics view
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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
Verdict
The clearest difference is review sentiment: Seabook+ at 53% against Nautical Ship Flags's 0%. Seabook+ also leads on in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.2). Nautical Ship Flags's advantage is price (Free vs $6.99) and rating (4.6 vs 4.0). On 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
Nautical Ship Flags is free to download; Seabook+ costs $6.99 up front. Nautical Ship Flags sells 2 in-app purchases, starting at $0.99 per 7 days. Seabook+ asks for nothing beyond the download.
Nautical Ship Flags holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Nautical Ship Flags has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 53% of Seabook+'s written reviews are positive against 0% of Nautical Ship Flags's, so the app with the better star average is not the one people write more warmly about.
Seabook+ ships an update every 35 months, Nautical Ship Flags every 3 weeks. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | Seabook+ | Nautical Ship Flags |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 4.0 (3 ratings) | 4.6 (15 ratings) — better |
| Positive reviews | 53.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 3 | 15 — better |
| Update frequency | Every 35 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.2 |
| Further details — not scored | ||
| Size | 37 MB | 7 MB |
| Age rating | 12+ | 4+ |
| Developer | Ozgur GUNES | Stanislav Cekunov |
Customer experience
Seabook+
Nautical Ship Flags
In-app purchases
Seabook+
No in-app purchases
Nautical Ship Flags
- Weekly$0.997 Days
- Lifetime$2.99
Questions
Is Seabook+ free?
Is Nautical Ship Flags free?
Which has better reviews, Seabook+ or Nautical Ship Flags?
Do Seabook+ or Nautical Ship Flags have ads?
Which is updated more often, Seabook+ or Nautical Ship Flags?
Other comparisons
