# Morse Transmitter vs Morse Code Keys

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.

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.

## The numbers

| Metric | Morse Transmitter | Morse Code Keys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (302 ratings)](https://appshunter.io/ios/app/morse-transmitter/id1079473715/reviews) | **[4.4 (176 ratings)](https://appshunter.io/ios/app/morse-code-keys-trainer/id1307714279/reviews)** |
| Number of ratings | **302** | 176 |
| Positive reviews | **74.7% of reviews** | 55.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 11 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 9 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shuyang Sun](https://appshunter.io/developer/1079473714) | [Caesar Salad Software LLC](https://appshunter.io/developer/1249587406) |

## What reviewers say

### Morse Transmitter

[App page](https://appshunter.io/ios/app/morse-transmitter/id1079473715)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 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

**What reviewers complain about**

- 🐛 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)

**Reported bugs**

- 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

**Requested features**

- Loop/repeat functionality for messages
- Offline mode capability
- Continental Morse code option
- Russian language support
- Record and playback feature


### Morse Code Keys

[App page](https://appshunter.io/ios/app/morse-code-keys-trainer/id1307714279)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Monthly | $2.99 | per month |
| Remove Ads Yearly | $9.99 | per year |
| Remove Ads Forever | $19.99 | one-time |

**What reviewers like**

- 👍 Easy to learn Morse code
- 🚀 Fast learning curve
- ✅ Effective for beginners
- 💡 Repetitive learning method works
- ✨ Helps master letters quickly

**What reviewers complain about**

- 🐛 Buggy, doesn't always progress
- 👎 Sound issues (no sound, lag)
- 👎 Buttons lag or register late
- 👎 Dit/Dah keys are backwards
- 👎 Lacks numbers and punctuation

**Reported bugs**

- 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

**Requested features**

- 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)


## Frequently asked questions

### Is Morse Transmitter free?

Morse Transmitter is free to download, 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, Morse Transmitter or Morse Code Keys?

Morse Code Keys is rated higher. Morse Transmitter averages 4.3 out of 5 from 302 ratings, while Morse Code Keys averages 4.4 from 176 ratings.

### Do Morse Transmitter or Morse Code Keys have ads?

Morse Code Keys shows ads; Morse Transmitter does not.

### Which is updated more often, Morse Transmitter or Morse Code Keys?

Morse Transmitter ships an update monthly, and Morse Code Keys every 11 months. Most recently, Morse Transmitter was updated on October 9, 2026 and Morse Code Keys on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*