# Sonar vs Smart Printer App

The clearest difference is review sentiment: Smart Printer App at 100% against Sonar's 33%. Smart Printer App also leads on update cadence (every 9 days vs every 6 months). Sonar's advantage is in-app purchases (none vs 4) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Smart Printer App sells 4 in-app purchases, starting at $7.99 per 7 days. Sonar asks for nothing beyond the download.

Sonar ships an update every 6 months, Smart Printer App every 9 days. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Sonar | Smart Printer App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smart-printer-app-printzy/id6790767936/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | **Free** | Freemium |
| Size | 5 MB | 25 MB |
| Requires iOS | **8.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Konstantinos Vogiatzakis](https://appshunter.io/developer/818619540) | [Orvin Studio](https://appshunter.io/developer/1809450346) |

## 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


### Smart Printer App

[App page](https://appshunter.io/ios/app/smart-printer-app-printzy/id6790767936)

Easily print photos, documents, web pages, and scanned files from your iPhone to any Wi-Fi printer without needing drivers or cables. Offers full print control and a built-in scanner for convenience.

**Highlights:** Print photos, PDFs, documents, and web pages, Built-in document scanner with edge detection, Full print control (copies, paper size, color/B&W), Live preview and page count, Recent files library for quick reprints, Works with all major Wi-Fi printer brands

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $7.99 | per 7 days |
| Annual Premium Offer | $29.99 | per year |
| Annual Premium | $39.99 | per year |
| Lifetime Premium | $49.99 | one-time |


## Frequently asked questions

### Is Sonar free?

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

### Is Smart Printer App free?

Smart Printer App is free to download, with in-app purchases available.

### Do Sonar or Smart Printer App have ads?

Neither Sonar nor Smart Printer App shows ads.

### Which is updated more often, Sonar or Smart Printer App?

Sonar ships an update every 6 months, and Smart Printer App every 9 days. Most recently, Sonar was updated on October 16, 2026 and Smart Printer App 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.*