Comparison

Nautical Ship Flags vs Judze

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

Judze

Features
Read full description

Navigate with Confidence – Your Essential Maritime Companion Set sail with ease and precision using our all-in-one maritime app, designed for navigators and sailors of all levels. Whether you're a seasoned captain or just getting started, this portable mariner's handbook is your ultimate guide to the open waters. Packed with essential tools for every voyage, this app includes everything you need for safe and efficient navigation, right in your pocket. From navigational flags and buoys to lights, shapes, and rules, it's your go-to resource for quick, reliable information. Get access to vital celestial calculations, a comprehensive guide to maritime regulations, and much more – all offline, ensuring you have what you need when you're far from shore. Features include: Navigational flags, buoys, shapes, and lights Comprehensive maritime rules and regulations Celestial navigation and calculations Portable, offline access to essential knowledge And much more to support you on every journey Whether you're onboard or ashore, have the expertise of a mariner's handbook in the palm of your hand – always ready, always reliable.

Screenshots

Nautical Ship Flags4 screens
Judze4 screens

Verdict

The call

The clearest difference is in-app purchases: Judze at none against Nautical Ship Flags's 2. Nautical Ship Flags's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement 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. Judze asks for nothing beyond the download.

UpkeepUpdate frequency

Nautical Ship Flags ships an update every 3 weeks, Judze every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Nautical Ship Flags versus Judze: the parameters behind the verdict, then further details
ParameterNautical Ship FlagsJudze
PriceFreeFree
Rating4.6 (15 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings15 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.215.0 — better
Further details — not scored
Size7 MB23 MB
Age rating4+4+
DeveloperStanislav CekunovPAVELS HUHRJANSKIS

In-app purchases

2 purchases

Nautical Ship Flags

Subscriptions1
  • Weekly$0.997 Days
One-time1
  • Lifetime$2.99
None

Judze

No in-app purchases

Questions

Is Nautical Ship Flags free?
Nautical Ship Flags is free to download, with in-app purchases available.
Is Judze free?
Judze is free to download, with no in-app purchases.
Do Nautical Ship Flags or Judze have ads?
Neither Nautical Ship Flags nor Judze shows ads.
Which is updated more often, Nautical Ship Flags or Judze?
Nautical Ship Flags ships an update every 3 weeks, and Judze every 2 months. Most recently, Nautical Ship Flags was updated on November 4, 2026 and Judze on October 30, 2026.

Other comparisons