# Sonar vs BimmerDash

The clearest difference is in-app purchases: Sonar at none against BimmerDash's 3. Sonar also leads on ads (none vs shown) and device support (3 vs 1). BimmerDash's advantage is update cadence (every 10 days vs every 6 months). On price there is nothing between them.

Both are free to download. BimmerDash sells 3 in-app purchases, starting at $0.99 per month. Sonar asks for nothing beyond the download.

Sonar ships an update every 6 months, BimmerDash every 10 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sonar | BimmerDash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (7 ratings)](https://appshunter.io/ios/app/sonar-emergency-button-sending-your-position-in-morse-code/id975894428/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 5 MB | 21 MB |
| Requires iOS | **8.2** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Konstantinos Vogiatzakis](https://appshunter.io/developer/818619540) | [CHUN-YI LIN](https://appshunter.io/developer/6781108428) |

## What reviewers say

### 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


### BimmerDash

[App page](https://appshunter.io/ios/app/bimmerdash-obd2-gauge/id6781128254)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Pass | $0.99 | per month |
| Premium Annual Pass | $9.99 | per year |
| BimmerDash Lifetime VIP | $24.99 | one-time |


## Frequently asked questions

### Is Sonar free?

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

### Is BimmerDash free?

BimmerDash is free to download, with in-app purchases available.

### Do Sonar or BimmerDash have ads?

BimmerDash shows ads; Sonar does not.

### Which is updated more often, Sonar or BimmerDash?

Sonar ships an update every 6 months, and BimmerDash every 10 days. Most recently, Sonar was updated on October 24, 2026 and BimmerDash on October 24, 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.*