# SmarTech vs BluVac

The clearest difference is rating: BluVac at 5.0 against SmarTech's 3.6. BluVac also leads on update cadence (every 2 months vs every 12 months) and review sentiment (36% vs 25%). SmarTech's advantage is ratings volume (9 vs 2). 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 3.6. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews point the same way: 25% of SmarTech's written reviews are positive against 36% of BluVac's.

SmarTech ships an update every 12 months, BluVac every 2 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SmarTech | BluVac |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (9 ratings)](https://appshunter.io/ios/app/smartech/id1071783318/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bluvac/id1227222428/reviews)** |
| Number of ratings | **9** | 2 |
| Positive reviews | 25.0% of reviews | **36.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 21 MB | 25 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Uniweld Products, Inc.](https://appshunter.io/developer/1097526384) | [Manifold Cloud Services Ltd.](https://appshunter.io/developer/1227222427) |

## What reviewers say

### SmarTech

[App page](https://appshunter.io/ios/app/smartech/id1071783318)

This app connects to a digital manifold to display accurate pressure and temperature readings. It offers real-time Superheat and Subcooling calculations, supports over 109 refrigerants, and features a "Smart Charge Zone" for optimal system charging. Users can also generate and export system performance reports.

**Highlights:** Real-time pressure and temperature readings, Superheat and Subcooling calculations, 109+ refrigerant types supported, Smart Charge Zone indicator, System performance reporting, PDF/CSV report export

**Features:** macOS Compatibility

**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 SmarTech free?

SmarTech 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, SmarTech or BluVac?

BluVac is rated higher. SmarTech averages 3.6 out of 5 from 9 ratings, while BluVac averages 5.0 from 2 ratings.

### Do SmarTech or BluVac have ads?

Neither SmarTech nor BluVac shows ads.

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

SmarTech ships an update every 12 months, and BluVac every 2 months. Most recently, SmarTech was updated on June 1, 2026 and BluVac on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*