Comparison

SmarTech vs CPS Link

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

CPS Link

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
Read full description

CPS Link™ is a powerful, easy-to-use application that connects multiple CPS wireless sensors together at one time to create the world’s most comprehensive diagnostic measurement system. The flexibility of this patented system enables users to add sensors as required to perform quick one-step measurement tasks or more complex full home, facility or system diagnostics with analytics. A range of high quality wireless sensors are available to accommodate most common HVAC/R service needs, with more innovative sensor solutions in various levels of release and development. Interconnectivity between the CPS Link app and future sensors remains a primary criterion to provide users with the flexibility of building their own custom measurement systems, over time.

Screenshots

SmarTech3 screens
CPS Link4 screens

Verdict

The call

The clearest difference is rating: SmarTech at 3.6 against CPS Link's 1.9. SmarTech also leads on review sentiment (25% vs 13%). CPS Link's advantage is update cadence (every 3 weeks vs every 12 months) and ratings volume (157 vs 9). 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

SmarTech holds the better App Store score, 3.6 against 1.9. That said, the two scores are not equally well evidenced: CPS Link has 157 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 25% of SmarTech's written reviews are positive against 13% of CPS Link's.

UpkeepUpdate frequency

SmarTech ships an update every 12 months, CPS Link every 3 weeks. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level
SmarTech versus CPS Link: the parameters behind the verdict, then further details
ParameterSmarTechCPS Link
PriceFreeFree
Rating3.6 (9 ratings) — better1.9 (157 ratings)
Positive reviews25.0% of reviews — better13.3% of reviews
Number of ratings9157 — better
Update frequencyEvery 12 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.611.0 — better
Further details — not scored
Size21 MB85 MB
Age rating4+4+
DeveloperUniweld Products, Inc.CPS Products

Customer experience

SmarTech

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

CPS Link

All ratings154 ratings
Positive21.4%
Neutral0.6%
Negative77.9%
Written reviews105 reviews
Positive13.3%
Neutral1.0%
Negative85.7%

Bugs and requests

SmarTech

Not enough reviews yet to summarise bugs or requests.

CPS Link

Reported bugs

4 issues
  • App crashes on launch
  • Bluetooth connectivity problems
  • Inconsistent readings and measurements
  • Incompatible with newer iOS versions

Requested features

3 requests
  • Update app to fix compatibility issues
  • Improve customer support and responsiveness
  • Provide better documentation and troubleshooting guides

In-app purchases

None

SmarTech

No in-app purchases

None

CPS Link

No in-app purchases

Questions

Is SmarTech free?
SmarTech is free to download, with no in-app purchases.
Is CPS Link free?
CPS Link is free to download, with no in-app purchases.
Which has better reviews, SmarTech or CPS Link?
SmarTech is rated higher. SmarTech averages 3.6 out of 5 from 9 ratings, while CPS Link averages 1.9 from 157 ratings.
Do SmarTech or CPS Link have ads?
Neither SmarTech nor CPS Link shows ads.
Which is updated more often, SmarTech or CPS Link?
SmarTech ships an update every 12 months, and CPS Link every 3 weeks. Most recently, SmarTech was updated on November 6, 2026 and CPS Link on November 4, 2026.

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