SmarTech vs CPS Link
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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!
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.
- Connect multiple wireless sensors
- Comprehensive diagnostic measurement system
- Perform quick measurements
- Complex system diagnostics with analytics
- Expandable sensor system
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | SmarTech | CPS Link |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (9 ratings) — better | 1.9 (157 ratings) |
| Positive reviews | 25.0% of reviews — better | 13.3% of reviews |
| Number of ratings | 9 | 157 — better |
| Update frequency | Every 12 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Uniweld Products, Inc. | CPS Products |
Customer experience
SmarTech
CPS Link
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
SmarTech
No in-app purchases
CPS Link
No in-app purchases









