# Vibra Test vs Machine Defender

The clearest difference is rating: Machine Defender at 5.0 against Vibra Test's 3.5. Machine Defender also leads on update cadence (every 8 months vs every 18 months). Vibra Test's advantage is iOS requirement (7.1 vs 12.1). On price, ratings volume, 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.

Machine Defender holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Vibra Test ships an update every 18 months, Machine Defender every 8 months. The most recent releases landed on October 14, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Vibra Test | Machine Defender |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/vibra-test/id458780469/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/machine-defender/id1496754747/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 8 months** |
| Monetization | Free | Free |
| Size | 10 MB | 274 MB |
| Requires iOS | **7.1** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [ACOEM Group](https://appshunter.io/developer/1495816959) |

## What reviewers say

### Vibra Test

[App page](https://appshunter.io/ios/app/vibra-test/id458780469)

This tool helps assess the vibration severity of rotating machinery according to ISO 10816-03 standards. Users input machine power, foundation type, and vibration velocity to determine the operating condition, displayed in color-coded zones.

**Highlights:** Vibration severity testing, ISO 10816-03 compliance, Machine power selection, Foundation type selection, Color-coded operating zones, Metric/Imperial units, Result sharing via email

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

**In-app purchases:** none


### Machine Defender

[App page](https://appshunter.io/ios/app/machine-defender/id1496754747)

This app, used with a wireless vibration sensor, collects and analyzes vibration data from industrial rotating machinery. It automatically detects faults in components like motors and pumps, providing diagnostic reports and maintenance recommendations.

**Highlights:** Wireless vibration data collection, Automatic fault detection with AI, Machine health assessment, Maintenance recommendations, Report storage and sharing, Cloud platform connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vibra Test free?

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

### Is Machine Defender free?

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

### Which has better reviews, Vibra Test or Machine Defender?

Machine Defender is rated higher. Vibra Test averages 3.5 out of 5 from 2 ratings, while Machine Defender averages 5.0 from 1 ratings.

### Do Vibra Test or Machine Defender have ads?

Neither Vibra Test nor Machine Defender shows ads.

### Which is updated more often, Vibra Test or Machine Defender?

Vibra Test ships an update every 18 months, and Machine Defender every 8 months. Most recently, Vibra Test was updated on October 14, 2026 and Machine Defender on September 28, 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.*