# BluVac vs GERFS

The clearest difference is rating: BluVac at 5.0 against GERFS's 1.0. BluVac also leads on review sentiment (36% vs 0%). GERFS's advantage is ratings volume (16 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 1.0. That said, the two scores are not equally well evidenced: GERFS has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 36% of BluVac's written reviews are positive against 0% of GERFS's.

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

## The numbers

| Metric | BluVac | GERFS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bluvac/id1227222428/reviews)** | [1.0 (16 ratings)](https://appshunter.io/ios/app/gerfs-blue/id1610736063/reviews) |
| Number of ratings | 2 | **16** |
| Positive reviews | **36.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 25 MB | 175 MB |
| Requires iOS | **11.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Manifold Cloud Services Ltd.](https://appshunter.io/developer/1227222427) | [ECi Software Solutions](https://appshunter.io/developer/923056025) |

## What reviewers say

### 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


### GERFS

[App page](https://appshunter.io/ios/app/gerfs-blue/id1610736063)

This mobile application assists field service technicians with their daily tasks. It integrates with specific versions of GlobalEdge and includes new functionality for Azuga Integration.

**Highlights:** Field service technician support, GlobalEdge integration, Azuga Integration functionality, Mobile task management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BluVac free?

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

### Is GERFS free?

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

### Which has better reviews, BluVac or GERFS?

BluVac is rated higher. BluVac averages 5.0 out of 5 from 2 ratings, while GERFS averages 1.0 from 16 ratings.

### Do BluVac or GERFS have ads?

Neither BluVac nor GERFS shows ads.

### Which is updated more often, BluVac or GERFS?

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