Comparison

Flags! vs Morse Code Keys

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

Head to head
About

Flags!

This app provides a comprehensive reference for all International Maritime Signal Flags, including letters, numbers, and substitutes. It features interactive quizzes to test your knowledge and offers Morse code examples.

Highlights
  • Complete list of maritime signal flags
  • Detailed flag views
  • Interactive learning quizzes
  • Morse code examples
  • Minimalistic flat design
  • Apple Watch support
Features
Read full description

Learn every International Maritime Signal Flag, and never forget one again. Flags! is the complete reference and trainer for the International Code of Signals: all 26 letter flags, 10 number pennants and 4 substitutes, with their meanings, morse code and pronunciation, plus quizzes that adapt to what you get wrong. LEARN • Every flag in one place: letters, numbers and substitutes, each with its full meaning • Morse code you can see, hear and feel: play it with the iPhone flashlight or as haptics • Hear each flag pronounced (NATO phonetic alphabet) in your language • Search by name, letter or meaning PRACTICE • Quizzes that mix flag images, names, meanings and morse code • Weak flags: the app remembers what you miss and drills just those • Speed Round: 60 seconds, as many flags as you can, beat your best score HAVE FUN • Spell a word, then send it as Morse code with your flashlight. On iPad, the screen flashes instead. • Flag of the Day widget for your Home Screen and Lock Screen • Ask Siri, use Shortcuts or search Spotlight for any flag EVERYWHERE • Made for iPhone, iPad and Apple Watch: quiz from your wrist • Dark mode and a fresh Liquid Glass design • In English, German, Spanish, French and Simplified Chinese • No account, no ads, works offline Great for sailors and boaters, sea cadets and scouts, navy and coast guard enthusiasts, teachers and curious kids.

About

Morse Code Keys

Master Morse code with this free training application. Practice and drill each letter of the alphabet at your own pace. Ideal for beginners looking to build a solid foundation in Morse code communication.

Highlights
  • Morse code alphabet practice
  • Letter drilling exercises
  • Beginner-friendly interface
  • Free to use
Features
Read full description

Learning morse code can be tough without the right tools. That's why we created Morse Code Keys - Trainer. With this free app, you're going to be able to take the time to practice and drill in each letter of the alphabet. Once you're confident in your skills, download our other app: Morse Code Keys, which will allow you to utilize your new skill with a morse code keyboard that can be used across any app. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Flags!4 screens
Morse Code Keys4 screens

Verdict

The call

The clearest difference is price: Morse Code Keys at Free against Flags!'s $0.99. Morse Code Keys also leads on update cadence (every 11 months vs every 29 months) and ratings volume (176 vs 19). Flags!'s advantage is review sentiment (100% vs 56%) and rating (4.9 vs 4.4). On 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

Morse Code Keys is free to download; Flags! costs $0.99 up front. Morse Code Keys sells 3 in-app purchases, starting at $2.99 per month. Flags! asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flags! holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Morse Code Keys has 176 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 100% of Flags!'s written reviews are positive against 56% of Morse Code Keys's.

UpkeepUpdate frequency

Flags! ships an update every 29 months, Morse Code Keys every 11 months. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

Scorecard9 real differences · 1 level
Flags! versus Morse Code Keys: the parameters behind the verdict, then further details
ParameterFlags!Morse Code Keys
Price$0.99Free — better
Rating4.9 (19 ratings) — better4.4 (176 ratings)
Positive reviews100.0% of reviews — better55.6% of reviews
Number of ratings19176 — better
Update frequencyEvery 29 monthsEvery 11 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS26.013.0 — better
Further details — not scored
Size4 MB9 MB
Age rating4+4+
DeveloperZiga PorentaCaesar Salad Software LLC

Customer experience

Flags!

All ratings19 ratings
Positive94.7%
Neutral5.3%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Morse Code Keys

All ratings176 ratings
Positive85.8%
Neutral5.7%
Negative8.5%
Written reviews45 reviews
Positive55.6%
Neutral8.9%
Negative35.6%

Bugs and requests

Flags!

Not enough reviews yet to summarise bugs or requests.

Morse Code Keys

Reported bugs

10 issues
  • Audio stopped working after iOS update
  • Audio never worked over wireless headphones
  • Letter Z not appearing in practice sessions
  • Sound doesn't work
  • Tone sound lags between touching screen and playing
Show 5 more
  • Buttons don't register until finger is lifted
  • Sound doesn't show up on older devices
  • App opens with 'A' and doesn't progress
  • Doesn't go past letter A
  • Dit and Dah keys are backwards from standard

Requested features

7 requests
  • Ability to select individual letters for practice
  • Option to remove ads for a one-time fee
  • Add numbers and punctuation
  • Fix dit/dah key order for iambic keys
  • Option to adjust WPM (words per minute)
Show 2 more
  • Add a home screen
  • More settings options

In-app purchases

None

Flags!

No in-app purchases

3 purchases

Morse Code Keys

Subscriptions2
  • Remove Ads Monthly$2.991 Month
  • Remove Ads Yearly$9.991 Year
One-time1
  • Remove Ads Forever$19.99

Questions

Is Flags! free?
Flags! costs $0.99, with no in-app purchases.
Is Morse Code Keys free?
Morse Code Keys is free to download, with in-app purchases available.
Which has better reviews, Flags! or Morse Code Keys?
Flags! is rated higher. Flags! averages 4.9 out of 5 from 19 ratings, while Morse Code Keys averages 4.4 from 176 ratings.
Do Flags! or Morse Code Keys have ads?
Morse Code Keys shows ads; Flags! does not.
Which is updated more often, Flags! or Morse Code Keys?
Flags! ships an update every 29 months, and Morse Code Keys every 11 months. Most recently, Flags! was updated on October 12, 2026 and Morse Code Keys on October 15, 2026.

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