Morse Transmitter vs Morse Code Keys
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Morse Transmitter
Encode and decode Morse code with this versatile tool. It supports real-time audio decoding with automatic WPM detection and offers features like screen, speaker, and flash output for encoded messages. Includes a dictionary for learning.
- Encode text to Morse code
- Decode Morse code to text
- Real-time audio decoding
- Output via screen, speaker, flash
- Customizable WPM and frequency
- Morse code prosign decoding
- Learning dictionary
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Want to encode and decode Morse code? This app is PERFECT for you! Morse Transmitter allows you to encode or decode Morse code, it can also decode Morse code audio in real time! The audio decoder has built-in audio frequency filter, and automatic WPM detector! Features: • Encode text to Morse code! • Output Morse code using screen, speaker and flash! • Decode Morse code to text! • Decode Morse code audio in real time! • Customizable WPM and audio frequency for encoder/decoder! • Support decoding common Morse code prosigns! • Dictionary for learning Morse code! • Multiple color theme, in case you get bored with the interface! Have fun! If you enjoy this app, please rate us on App Store, that will help us a lot. Thank you for using Morse Transmitter, we will keep improving our software to bring you better experience!
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 in-app purchases: Morse Transmitter at none against Morse Code Keys's 3. Morse Transmitter also leads on ads (none vs shown) and update cadence (monthly vs every 11 months). On price, rating, ratings volume 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
Both are free to download. Morse Code Keys sells 3 in-app purchases, starting at $2.99 per month. Morse Transmitter asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.3 for Morse Transmitter against 4.4 for Morse Code Keys. Both are backed by a comparable volume of ratings — 302 and 176 respectively. Written reviews are what separate them: 75% of Morse Transmitter's written reviews are positive against 56% of Morse Code Keys's.
Morse Transmitter ships an update monthly, Morse Code Keys every 11 months. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.
| Parameter | Morse Transmitter | Morse Code Keys |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (302 ratings) | 4.4 (176 ratings) — better |
| Positive reviews | 74.7% of reviews — better | 55.6% of reviews |
| Number of ratings | 302 — better | 176 |
| Update frequency | Monthly — better | Every 11 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 30 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Shuyang Sun | Caesar Salad Software LLC |
Customer experience
Morse Transmitter
Morse Code Keys
User reviews
Morse Transmitter
From 302 App Store ratingsWhat we love
- 👍 Simple and intuitive user interface
- 🎯 Text-to-Morse conversion works well
- 💡 Multiple output modes (sound, light, vibration)
- 🆓 Free app with no advertisements
- 📚 Built-in dictionary feature
Room to improve
- 🐛 Audio decoding frequently produces gibberish
- 🔊 Sound output issues or no sound at all
- 🎤 Microphone input unreliable and inaccurate
- ❌ App crashes and freezes
- ⚠️ Poor punctuation handling (shows emojis instead)
Morse Code Keys
From 176 App Store ratingsWhat we love
- 👍 Easy to learn Morse code
- 🚀 Fast learning curve
- ✅ Effective for beginners
- 💡 Repetitive learning method works
- ✨ Helps master letters quickly
Room to improve
- 🐛 Buggy, doesn't always progress
- 👎 Sound issues (no sound, lag)
- 👎 Buttons lag or register late
- 👎 Dit/Dah keys are backwards
- 👎 Lacks numbers and punctuation
Bugs and requests
Morse Transmitter
Reported bugs
10 issues- Audio decoder stuck on long dashes/tones
- Microphone decoding only produces 'T' and 'E' characters
- Alphabet section plays continuous sound when clicking multiple cards
- Text appears in mirror writing after translation
- Numbers not working properly
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- Battery percentage overlay during low power mode
- Preset text works but custom text doesn't translate properly
- Strobe feature doesn't work with custom text input
- Inconsistent audio output levels
- Decoding produces mostly emojis instead of characters
Requested features
10 requests- Loop/repeat functionality for messages
- Offline mode capability
- Continental Morse code option
- Russian language support
- Record and playback feature
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- Better punctuation translation
- Higher WPM support (beyond 21 WPM)
- Translator tool integrated into app
- Sound button near Morse code translation
- Better documentation/user guide
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
Morse Transmitter
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 Morse Transmitter free?
Is Morse Code Keys free?
Which has better reviews, Morse Transmitter or Morse Code Keys?
Do Morse Transmitter or Morse Code Keys have ads?
Which is updated more often, Morse Transmitter or Morse Code Keys?
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