# SmarTech vs CPS Link

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.

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.

## The numbers

| Metric | SmarTech | CPS Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (9 ratings)](https://appshunter.io/ios/app/smartech/id1071783318/reviews)** | [1.9 (157 ratings)](https://appshunter.io/ios/app/cps-link/id1185092042/reviews) |
| Number of ratings | 9 | **157** |
| Positive reviews | **25.0% of reviews** | 13.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 21 MB | 85 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) | [CPS Products](https://appshunter.io/developer/945771072) |

## 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


### CPS Link

[App page](https://appshunter.io/ios/app/cps-link/id1185092042)

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Worked well initially
- 💡 Useful features

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔌 Connectivity issues
- ⚠️ Unreliable performance
- 💸 Expensive for poor quality

**Reported bugs**

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

**Requested features**

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


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