# SmarTech vs Uniweld Fusion

The clearest difference is update cadence: Uniweld Fusion at monthly against SmarTech's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

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

SmarTech ships an update every 12 months, Uniweld Fusion monthly. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SmarTech | Uniweld Fusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (9 ratings)](https://appshunter.io/ios/app/smartech/id1071783318/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | Free | — |
| Size | 21 MB | 103 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Uniweld Products, Inc.](https://appshunter.io/developer/1097526384) | [Kane Asia Inc.](https://appshunter.io/developer/1542732944) |

## 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


### Uniweld Fusion

[App page](https://appshunter.io/ios/app/uniweld-fusion/id6762234260)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SmarTech free?

SmarTech is free to download, with no in-app purchases.

### Is Uniweld Fusion free?

Uniweld Fusion is free to download, with no in-app purchases.

### Do SmarTech or Uniweld Fusion have ads?

Neither SmarTech nor Uniweld Fusion shows ads.

### Which is updated more often, SmarTech or Uniweld Fusion?

SmarTech ships an update every 12 months, and Uniweld Fusion monthly. Most recently, SmarTech was updated on October 24, 2026 and Uniweld Fusion on October 15, 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.*