# Scale Link vs BluVac

The clearest difference is rating: BluVac at 5.0 against Scale Link's 2.1. BluVac also leads on review sentiment (36% vs 0%). Scale Link's advantage is ratings volume (21 vs 2) and iOS requirement (8.0 vs 11.0). 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.

BluVac holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: Scale Link has 21 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Scale Link's written reviews are positive against 36% of BluVac's.

Scale Link ships an update monthly, BluVac every 2 months. The most recent releases landed on October 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Scale Link | BluVac |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (21 ratings)](https://appshunter.io/ios/app/scale-link/id1027059407/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bluvac/id1227222428/reviews)** |
| Number of ratings | **21** | 2 |
| Positive reviews | 0.0% of reviews | **36.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 22 MB | 25 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CPS Products](https://appshunter.io/developer/945771072) | [measureQuick](https://appshunter.io/developer/1227222427) |

## What reviewers say

### Scale Link

[App page](https://appshunter.io/ios/app/scale-link/id1027059407)

This application allows remote communication and control of wireless scales for servicing air-conditioning and refrigeration equipment. It offers comprehensive system measurement views, graphical depictions of test functions, and data logging capabilities.

**Highlights:** Remote scale communication, Control of select scale functions, View system measurements, Graphical test function depictions, Data logging

**In-app purchases:** none


### 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 Scale Link free?

Scale 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, Scale Link or BluVac?

BluVac is rated higher. Scale Link averages 2.1 out of 5 from 21 ratings, while BluVac averages 5.0 from 2 ratings.

### Do Scale Link or BluVac have ads?

Neither Scale Link nor BluVac shows ads.

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

Scale Link ships an update monthly, and BluVac every 2 months. Most recently, Scale Link was updated on October 29, 2026 and BluVac on October 12, 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.*