Flags! vs Morse Code Keys
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Complete list of maritime signal flags
- Detailed flag views
- Interactive learning quizzes
- Morse code examples
- Minimalistic flat design
- Apple Watch support
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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.
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.
- Morse code alphabet practice
- Letter drilling exercises
- Beginner-friendly interface
- Free to use
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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
Verdict
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
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.
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.
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.
| Parameter | Flags! | Morse Code Keys |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.9 (19 ratings) — better | 4.4 (176 ratings) |
| Positive reviews | 100.0% of reviews — better | 55.6% of reviews |
| Number of ratings | 19 | 176 — better |
| Update frequency | Every 29 months | Every 11 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Ziga Porenta | Caesar Salad Software LLC |
Customer experience
Flags!
Morse Code Keys
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
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- 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 moreShow fewer
- Add a home screen
- More settings options
In-app purchases
Flags!
No in-app purchases
Morse Code Keys
- Remove Ads Monthly$2.991 Month
- Remove Ads Yearly$9.991 Year
- Remove Ads Forever$19.99
Questions
Is Flags! free?
Is Morse Code Keys free?
Which has better reviews, Flags! or Morse Code Keys?
Do Flags! or Morse Code Keys have ads?
Which is updated more often, Flags! or Morse Code Keys?
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