# CPS Link vs BluVac

The clearest difference is rating: BluVac at 5.0 against CPS Link's 1.9. BluVac also leads on review sentiment (36% vs 13%). CPS Link's advantage is ratings volume (154 vs 2) and update cadence (every 3 weeks vs every 2 months). 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.

BluVac 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 2, so its average is the more settled of the two. Written reviews point the same way: 13% of CPS Link's written reviews are positive against 36% of BluVac's.

CPS Link ships an update every 3 weeks, BluVac every 2 months. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | CPS Link | BluVac |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (154 ratings)](https://appshunter.io/ios/app/cps-link/id1185092042/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bluvac/id1227222428/reviews)** |
| Number of ratings | **154** | 2 |
| Positive reviews | 13.5% of reviews | **36.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 85 MB | 25 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CPS Products, Inc.](https://appshunter.io/developer/945771072) | [Manifold Cloud Services Ltd.](https://appshunter.io/developer/1227222427) |

## 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


### BluVac

[App page](https://appshunter.io/ios/app/bluvac/id1227222428)

Connect to compatible vacuum gauges via Bluetooth to perform detailed system evacuations. Features timed tests, decay tests, and data recording. Offers advanced reporting, multiple gauge connections, and geolocation for enhanced screenshots.

**Highlights:** Bluetooth gauge connection, Timed evacuation tests, Decay test functionality, Detailed results viewing, mQ Assist integration, Pro Report feature, Connect up to 6 gauges

**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 BluVac free?

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

### Which has better reviews, CPS Link or BluVac?

BluVac is rated higher. CPS Link averages 1.9 out of 5 from 154 ratings, while BluVac averages 5.0 from 2 ratings.

### Do CPS Link or BluVac have ads?

Neither CPS Link nor BluVac shows ads.

### Which is updated more often, CPS Link or BluVac?

CPS Link ships an update every 3 weeks, and BluVac every 2 months. Most recently, CPS Link was updated on September 12, 2026 and BluVac on September 9, 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.*