# MTech Sonar vs EchoLog 3

The clearest difference is iOS requirement: EchoLog 3 at 13.0 against MTech Sonar's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MTech Sonar ships an update monthly, EchoLog 3 every 3 weeks. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | MTech Sonar | EchoLog 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (14 ratings)](https://appshunter.io/ios/app/mtech-sonar/id1376913731/reviews)** | — |
| Number of ratings | **14** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 104 MB | 6 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [M-TECH SYSTEMS USA, INC.](https://appshunter.io/developer/1376913580) | [Munters Israel LTD](https://appshunter.io/developer/1401397003) |

## What reviewers say

### MTech Sonar

[App page](https://appshunter.io/ios/app/mtech-sonar/id1376913731)

This app automates barn data collection for real-time monitoring of environmental conditions and bird health. It also tracks daily animal performance against established standards.

**Highlights:** Automated barn data collection, Real-time environment monitoring, Minute-by-minute bird health tracking, Daily animal performance trending, Performance comparison to standards

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

**In-app purchases:** none


### EchoLog 3

[App page](https://appshunter.io/ios/app/echolog-3/id6444918924)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MTech Sonar free?

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

### Is EchoLog 3 free?

EchoLog 3 is free to download, with no in-app purchases.

### Do MTech Sonar or EchoLog 3 have ads?

Neither MTech Sonar nor EchoLog 3 shows ads.

### Which is updated more often, MTech Sonar or EchoLog 3?

MTech Sonar ships an update monthly, and EchoLog 3 every 3 weeks. Most recently, MTech Sonar was updated on October 3, 2026 and EchoLog 3 on October 1, 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.*