# CPS Link vs Machine Defender

The clearest difference is rating: Machine Defender at 5.0 against CPS Link's 1.9. CPS Link's advantage is update cadence (every 3 weeks vs every 8 months) and ratings volume (154 vs 1). On price, ads, in-app purchases and monetization model 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 1.9. That said, the two scores are not equally well evidenced: CPS Link has 154 ratings behind it against 1, so its average is the more settled of the two.

CPS Link ships an update every 3 weeks, Machine Defender every 8 months. The most recent releases landed on September 27, 2026 and June 24, 2026 respectively.

## The numbers

| Metric | CPS Link | Machine Defender |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (154 ratings)](https://appshunter.io/ios/app/cps-link/id1185092042/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/machine-defender/id1496754747/reviews)** |
| Number of ratings | **154** | 1 |
| Positive reviews | 13.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Free | Free |
| Size | 85 MB | 274 MB |
| Requires iOS | **11.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CPS Products, Inc.](https://appshunter.io/developer/945771072) | [ACOEM Group](https://appshunter.io/developer/1495816959) |

## What reviewers say

### CPS Link

[App page](https://appshunter.io/ios/app/cps-link/id1185092042)

Connect multiple wireless sensors to create a comprehensive diagnostic measurement system. Perform quick single measurements or complex full system diagnostics with analytics. Expand your system over time with new sensor solutions.

**Highlights:** Connect multiple wireless sensors, Comprehensive diagnostic measurement system, Perform quick measurements, Complex system diagnostics with analytics, Expandable sensor system

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Worked well initially
- 💡 Useful features

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔌 Connectivity issues
- ⚠️ Unreliable performance
- 💸 Expensive for poor quality

**Reported bugs**

- App crashes on launch
- Bluetooth connectivity problems
- Inconsistent readings and measurements
- Incompatible with newer iOS versions

**Requested features**

- Update app to fix compatibility issues
- Improve customer support and responsiveness
- Provide better documentation and troubleshooting guides


### 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 CPS Link free?

CPS Link 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, CPS Link or Machine Defender?

Machine Defender is rated higher. CPS Link averages 1.9 out of 5 from 154 ratings, while Machine Defender averages 5.0 from 1 ratings.

### Do CPS Link or Machine Defender have ads?

Neither CPS Link nor Machine Defender shows ads.

### Which is updated more often, CPS Link or Machine Defender?

CPS Link ships an update every 3 weeks, and Machine Defender every 8 months. Most recently, CPS Link was updated on September 27, 2026 and Machine Defender on June 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.*