# Send.Morse vs Sonar

The clearest difference is price: Sonar at Free against Send.Morse's $0.99. Sonar also leads on update cadence (every 6 months vs every 15 months) and review sentiment (33% vs 25%). On ads and in-app purchases there is nothing between them.

Sonar is free to download; Send.Morse costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Send.Morse ships an update every 15 months, Sonar every 6 months. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Send.Morse | Sonar |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/sendmorse/id327365140/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 25.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 6 months** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 5 MB |
| Requires iOS | 18.6 | **8.2** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [reizverstaerker medienwerkstatt OG](https://appshunter.io/developer/327365143) | [Konstantinos Vogiatzakis](https://appshunter.io/developer/818619540) |

## What reviewers say

### Send.Morse

[App page](https://appshunter.io/ios/app/sendmorse/id327365140)

Translate text into Morse code and decode incoming light signals back into text in real-time. This app helps you communicate using the classic dot-and-dash system, even if you've forgotten the basics.

**Highlights:** Transmit messages as Morse code, Decode light signals into text, Real-time translation, Adjustable Morse pad calibration, Morse code sign table reference, Supports English, German, Spanish, Croatian

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sonar

[App page](https://appshunter.io/ios/app/sonar-emergency-button-sending-your-position-in-morse-code/id975894428)

This app sends your location via loud Morse code and ultrasonic alarms in emergencies. It can also help you find your devices by sound in everyday situations.

**Highlights:** Morse code distress signal, Ultrasonic alarm for K-9 units, Location broadcasting, Device finder by sound, Emergency alerts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Send.Morse free?

Send.Morse costs $0.99, with no in-app purchases.

### Is Sonar free?

Sonar is free to download, with no in-app purchases.

### Do Send.Morse or Sonar have ads?

Neither Send.Morse nor Sonar shows ads.

### Which is updated more often, Send.Morse or Sonar?

Send.Morse ships an update every 15 months, and Sonar every 6 months. Most recently, Send.Morse was updated on October 11, 2026 and Sonar on September 30, 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.*