Comparison

SmarTech vs BluVac

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SmarTech

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
Read full description

The Uniweld SmarTech™ Digital Manifold App communicates with your SmarTech™ Digital Manifold to clearly display professionally accurate pressure and temperature readings in the palm of your hand. Monitor target and actual Superheat and Subcooling calculations in real-time, as pressure and temperature readings fluctuate. Choose from over 109 different refrigerant types and create a custom list of your most commonly used refrigerants. SMART CHARGE ZONE: All the guess work is taken out of properly charging the system with the color coded Smart Charge Zone feature. The difference between the target and actual Superheat or Subcooling is shown with color indicators that signal whether the system is overcharged (RED), undercharged (BLUE), or has an accurate "In The Zone" system charge (GREEN). REPORTING: Take your business to the next level with system performance reporting. Enter company details along with customer and equipment information and with one touch, produce a SmarTech™ Verified System Performance Report that is ready for export as a PDF or CSV file. Reports can easily be emailed for saving, tracking, or printing. Uniweld Products, Inc... "Quality Tools That Go To Work With You®". This app also works as a free, stand-alone P/T Calculator!

About

BluVac

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
Read full description

Easily connect and perform detailed system evacuations with your BluVac+ Pro, BluVac+ LTE, and BluVac+ Micro vacuum gauges via Bluetooth. With the BluVac+ Pro, you can perform timed evacuation and decay tests, set target times, and view detailed results. For BluVac+ LTE and Micro, quickly record and display essential data. The app now features mQ Assist integration for evacuation guidance, an improved interface, and geolocation tracking for enhanced screenshots. Additional upgrades include a new Pro Report feature, the ability to connect up to 6 BluVac gauges simultaneously, and the option to rename gauges by their function (e.g., Pump, Core Tool, System). Plus, the decay test will now only start once the evacuation rate hits zero.

Screenshots

SmarTech3 screens
BluVac4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
SmarTech versus BluVac: the parameters behind the verdict, then further details
ParameterSmarTechBluVac
PriceFreeFree
Rating3.6 (9 ratings)5.0 (2 ratings) — better
Positive reviews25.0% of reviews36.4% of reviews — better
Number of ratings9 — better2
Update frequencyEvery 12 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.611.0 — better
Further details — not scored
Size21 MB25 MB
Age rating4+4+
DeveloperUniweld Products, Inc.Manifold Cloud Services Ltd.

Customer experience

SmarTech

All ratings9 ratings
Positive55.6%
Neutral11.1%
Negative33.3%
Written reviews4 reviews
Positive25.0%
Neutral25.0%
Negative50.0%

BluVac

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews22 reviews
Positive36.4%
Neutral4.5%
Negative59.1%

In-app purchases

None

SmarTech

No in-app purchases

None

BluVac

No in-app purchases

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.

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