MorseDecoder vs Morse eMail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MorseDecoder
This app decodes Morse code sounds directly from your device's microphone or headset input. It offers both automatic and manual decoding modes with adjustable parameters for optimal performance in various conditions.
- Morse code sound to text translation
- Automatic and manual decoding modes
- Adjustable audio filter frequency
- Configurable WPM speed
- Background noise threshold adjustment
- Built-in spectrogram
- Optional narrow-band DSP audio filter
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The HotPaw Morse Code Decoder translates Morse Code sound into text. Just use the microphone or headset input on your iPhone or iPad for the audio signal input, and watch decoded text appear. The Morse Code Decoder includes both an automatic decoding mode, plus manual controls to allow the decoding of weaker signals in noise and QRM. Manually adjustable parameters include the frequency of the audio filter, the WPM dot/dash speed used for detecting characters, the threshold level of background noise, and whether Farnsworth timing is to be used for detecting spaces between individual characters. The Morse Code Decoder includes a built-in spectrogram to help determine the audio frequency of the Morse Code tones. Use the optional narrow-band DSP audio filter to help filter out background noise. The audio filter works for tone frequencies from 300 to 2400 Hz. Please do not try to decode tones outside this range. The Morse code WPM (words per minute) detection speed is automatically adaptive from about 8 to 40 WPM, and can be locked to the current estimated WPM dot speed. You can also manually set the WPM code speed if the automatic speed detection guesses incorrectly. A QRQ High Speed WPM mode setting allows decoding much higher WPM speeds in the range of 30 to 80 WPM. Please aim your iPhone microphone at the Morse Code sound source so that the iPhone's noise cancelling microphone doesn't cancel it out. You can see if sound is getting to the iPhone by seeing a peak in the spectrum display. Please use the manual settings if automatic decoding does not adjust to the frequency, WPM. or background noise threshold level properly. Decoding will not work if the audio filter or WPM are set incorrectly, or there is a lot of background noise or room echoes above the threshold setting. Please see the help file on the HotPaw website for hints as to how to solve decoding issues.
Morse eMail
Convert text messages into Morse Code audio files for sharing. This utility app supports letters, numbers, and common punctuation, offering a unique way to communicate.
- Text to Morse Code conversion
- Audio file generation (.wav)
- Supports letters, numbers, and punctuation
- Morse Code practice tool
- Privacy-focused communication
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Simple app for using Morse Code for fun, practice or privacy. Morse Mail encodes your message into a Morse Code audio file (.wav) for sharing. Morse Code Character Set: abcdefghijklmnopqrstuvwxyz 0123456789 . , ? / -
Screenshots
Verdict
The clearest difference is rating: Morse eMail at 5.0 against MorseDecoder's 3.2. Morse eMail also leads on price ($0.99 vs $9.99). MorseDecoder's advantage is ratings volume (49 vs 1) and iOS requirement (12.3 vs 17.6). On review sentiment, update cadence, ads and in-app purchases 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
MorseDecoder costs $9.99 and Morse eMail $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Morse eMail holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: MorseDecoder has 49 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 55% of MorseDecoder's written reviews are positive against 50% of Morse eMail's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 30, 2026 and September 25, 2026 respectively.
| Parameter | MorseDecoder | Morse eMail |
|---|---|---|
| Price | $9.99 | $0.99 — better |
| Rating | 3.2 (49 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 54.8% of reviews — better | 50.0% of reviews |
| Number of ratings | 49 — better | 1 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.3 — better | 17.6 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | HotPaw Productions | Scott Gottfried |
Customer experience
MorseDecoder
Morse eMail
In-app purchases
MorseDecoder
No in-app purchases
Morse eMail
No in-app purchases
